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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Features
Input voltage ranges from 8 to 385 VDC and 85 to 264 VAC, 47-440 Hz 1or 2 isolated outputs up to 48 VDC Class I equipment
* Extremely-wide input voltage range * Input over- and undervoltage lockout * Efficient input filter and built-in surge and transient suppression circuitry * Outputs open- and short-circuit proof
111 4.4" 3U 80 3.2" 16 TE 168 6.6"
* No derating over entire operating temperature range Safety according to IEC/EN 60950
Description
The K Series of DC-DC and AC-DC converters represents a broad and flexible range of power supplies for use in advanced electronic systems. Features include high efficiency, high reliability, low output voltage noise and excellent dynamic response to load/line changes. LK models can be powered by DC or AC with a wide-input frequency range (without PFC). The converter inputs are protected against surges and transients. An input over- and undervoltage lockout circuitry disables the outputs if the input voltage is outside of the specified range. Certain types include an inrush current limiter preventing circuit breakers and fuses from tripping at switch-on. All outputs are open- and short-circuit proof and are protected against overvoltages by means of built-in suppressor diodes. The outputs can be inhibited by a logic signal applied to pin 18 (i). If the inhibit function is not used, pin 18 must be connected with pin 14 to enable the outputs. LED indicators display the status of the converter and allow for visual monitoring of the system at any time. Full input-to-output, input-to-case, output-to-case and output-tooutput isolation is provided. The converters are designed and built according to the international safety standards IEC/EN 60950 and EN50155. They have been approved by the safety agencies TUV and UL (for USA and Canada). The case design allows operation at nominal load up to 71 C in a free-air ambient temperature. If forced cooling is provided, the ambient temperature may exceed 71 C, but the case temperature must remain below 95 C under all conditions. A temperature sensor generates an inhibit signal, which disables the outputs if the case temperature Tc exceeds the limit. The outputs are automatically re-enabled when the temperature drops below the limit. Various options are available to adapt the converters to individual applications. The converters may either be plugged into a 19" rack system according to IEC 60297-3, or be chassis mounted. They are ideally suited for Railway applications.
Important: For applications requiring compliance with IEC/EN 61000-3-2 (harmonic distortion), please use our LK4000 and LK5000 Series with incorporated power factor correction (PFC).
Table of Contents
Page
Page Electromagnetic Compatibility (EMC) ....................................15 Immunity to Environmental Conditions ..................................17 Mechanical Data ....................................................................18 Safety and Installation Instructions ........................................20 Description of Options ............................................................24 Accessories ............................................................................33 EC-Declaration of conformity ..................................................34
Description ................................................................................1 Model Selection ........................................................................2 Part Number Description and Product Marking ........................3 Functional Description ..............................................................4 Electrical Input Data ..................................................................5 Electrical Output Data ..............................................................8 Auxiliary Functions ..................................................................12
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Model Selection
Non-standard input configurations or special custom adaptions are available on request.
Table 1a: Model type AK
Output 1 Vo nom Io nom [VDC] [A]
5.1 12.0 15.0 24.0 12.0 15.0 24.0 20.0 10.0 8.0 5.0 5.0 4.0 2.5
Output 2 Vo nom Io nom [VDC] [A]
12.0 12.0 24.0
3 3 3
Input Voltage Vi min - Vi max 8 to 35 VDC
AK1001-7R AK1301-7R AK1501-7R AK1601-7R AK2320-7R AK2540-7R AK2660-7R
Efficiency [%]
78 80 82 84 78 80 79
1
Options
5.0 4.0 2.5
-9 D V P T B1 B2
2
Table 1b: Model types BK, CK, and FK
Output 1 Vo nom Io nom [VDC] [A]
5.1 12.0 15.0 24.0 12.0 15.0 24.0 25.0 12.0 10.0 6.0 6.0 5.0 3.0
Output 2 Vo nom Io nom [VDC] [A]
12.0 15.0 24.0
3 3 3
Input Voltage Vi min - Vi max 14 to 70 VDC
BK1001-7R BK1301-7R BK1501-7R BK1601-7R BK2320-7R BK2540-7R BK2660-7R
Eff. 1 [%]
80 82 84 85 80 80 80
Input Voltage Vi min - Vi max 28 to 140 VDC
CK1001-7R CK1301-7R CK1501-7R CK1601-7R CK2320-7R CK2540-7R CK2660-7R
Eff. 1 [%]
80 82 85 86 81 84 84
Input Voltage Vi min - Vi max 20 to 100 VDC
FK1001-7R FK1301-7R FK1501-7R FK1601-7R FK2320-7R FK2540-7R FK2660-7R
Eff. [%]
80 82 85 86 81 83 84
1
Options
6.0 5.0 3.0
-9 E
4
,
-9E
2
4
V P T
B1 B2
Table 1c: Model types DK, EK, and LK
Output 1 Vo nom Io nom [VDC] [A]
5.1 12.0 15.0 24.0 12.0 15.0 24.0 25.0 12.0 10.0 6.0 6.0 5.0 3.0
Output 2 Vo nom Io nom [VDC] [A]
12.0 15.0 24.0
3 3 3
Input Voltage Vi min - Vi max 44 to 220 VDC
DK1001-7R DK1301-7R DK1501-7R DK1601-7R DK2320-7R DK2540-7R DK2660-7R
Eff. 1 [%]
80 83 85 86 81 83 84
Input Voltage Vi min - Vi max 67 to 385 VDC
---EK1301-7R EK1501-7R EK1601-7R EK2320-7R EK2540-7R EK2660-7R
Eff. 1 [%]
-83 84 86 82 84 84
Input Voltage Vi min - Vi max 88 to 372 VDC 85 to 264 VAC
LK1001-7R LK1301-7R LK1501-7R LK1601-7R LK2320-7R LK2540-7R LK2660-7R
Eff. [%]
79 83 84 85 81 83 82
1
Options
6.0 5.0 3.0
-9E E D V P T B1 B2
2 4
4
Min. efficiency at Vi nom, Io nom, and TA = 25 C. (DC input for LK models). Typical values are approx. 2% higher than listed, but tend to be up to 2% less efficient, if option E is incoporated..
1 2 3 4
Option V for K1001 models only. Second output semi-regulated. Option E only for CK, DK, EK, and LK models; mandatory for all -9 models.
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Part Number Description and Product Marking
C K 2 5 40 -9 E R D3 T B1 Input voltage range Vi: 8 - 35 14 - 70 20 - 100 28 - 140 44 - 220 67 - 385 85 - 264 VAC or 88 - 372 VDC ................A VDC .............. B VDC .............. F VDC ................C VDC ................D VDC .............. E VDC................ L
Series................................................................................K Number of outputs ........................................................1, 2 Single output models: Nominal voltage output 1 (main output), Vo1 nom 5.1 V ......0, 1, 2 12 V ................3 15 V ............4, 5 24 V ................6 Other voltages ............7, 8 Other specifications for single output models ......01 - 99 Double output models: Nominal voltage output 1 and 2 12, 12V ......................................................................20 15, 15V ......................................................................40 24, 24V ......................................................................60 Other specifications and additional features ......70 - 99 Operational ambient temperature range TA: -25 to 71 C................-7 -40 to 71 C................-9 Other 1 ....-0, -5, -6 Auxiliary functions and options: Inrush current limitation ................................................E 3 Output voltage control input ..........................................R 2 Potentiometer (output voltage adjustment) ....................P 2 Save data signal (D0 - DD, to be specified) ..................D 4 ACFAIL signal (V0, V2, V3, to be specified) ..................V 4 Current sharing ................................................................T Cooling plate standard case ..........................................B1 Cooling plate for long case (220 mm) 1 ..........................B2
1 2 3 4
1
Customer-specific models. Feature R excludes option P and vice versa. Option E available for CK, DK, EK, and LK models; mandatory for all -9 model types. Option D excludes option V and vice versa; Option V available for K1001 models only.
Example:
CK2540-9PD3: DC-DC converter, input voltage range 28 - 140 V, double output, each providing 15 V/5 A, equipped with potentiometer and undervoltage monitoring option. Ambient temperature -40 to 71 C.
Product Marking Basic type designation, applicable approval marks, CE mark, warnings, pin allocation, Power-One patents, and company logo. Identification of LEDs, test sockets, and potentiometer. Specific type designation, input voltage range, nominal output voltages and currents, degree of protection, batch no., serial no., and data code including production site, modification status, and date of production. APR 26, 2006 revised to MAY 15, 2006 Page 3 of 34 www.power-one.com
K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Functional Description
The input voltage is fed via an input fuse, an input filter, a bridge rectifier (LK), and an inrush current limiter to the input capacitor. This capacitor sources a single transistor forward converter. Each output is powered by a separate secondary winding of the main transformer. The resultant voltages are rectified and their ripple smoothed by a power choke and output filter. The control logic senses the main output voltage Vo1 and generates, with respect to the maximum admissible output currents, the control signal for the primary switching transistor. The second output of double-output models is controlled by the main output but has independent current limiting. If the main output is driven into current limitation, the second output voltage will fall as well and vice versa.
P 26 N
5
03057-082605
16 R
Y
Vi+ 28
18 i 20 D/V Control circuit 22 T 12 S+ 4 Output filter 6 Vo+
2 1
Input filter
4
Forward converter (approx. 120 kHz)
Y
8 Vo- 10
4
Fuse
Y
3
P
5
30 Vi- 32
Y
14 S-
24
Fig. 1 Block diagram of single output converters AK - LK1000
P
-
+
03058-082605
16 R N
5
26 Vi+ 28 Input filter
1 4
Y
2
18 i 20 D Control circuit 22 T
Forward converter (approx. 110 kHz)
Y
Output 1 filter
12 Vo1+ 14 Vo1- 4 6 Vo2+
4 3
Y Y
P
5
Vi-
30 32
Y Y
Output 2 filter
8 10 Vo2-
24
-
+
Fig. 2 Block diagram of symmetrical double output converters AK - LK2000
1 2
Transient suppressor (VDR) in CK, DK, EK, FK, LK models Suppressor diode in AK, BK, CK, FK models
3 4 5
Inrush current limiter in CK, DK, EK, LK (NTC resistor or option E circuit) Bridge rectifier (LK only) LK models
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Electrical Input Data
General Conditions - TA = 25 C, unless TC is specified. - Pin 18 connected to pin 14, R input not connected, Vo adjusted to Vo nom (option P) - Sense line pins S+ and S- connected to Vo+ and Vo-, respectively.
Table 2a: Input data
Input Characteristics Conditions min 8 15 9.0 2.5 1.5 65 1040 EN 55022 Vi nom, Io nom 0 A A 40 0 100 370 B A 80 0 AK typ max 35 min 14 30 6.0 2.5 1.5 70 1500 B B 100 VDC BK typ max 70 min 20 50 3.75 2.5 1.5 m F A W FK typ max 100 Unit VDC
Vi Vi nom Ii Pi0 Pi inh Ri Ci Vi RFI Vi abs
Operating input voltage Nominal input voltage Input current No-load input power Idle input power Input resistance Input capacitance Conducted input RFI Radiated input RFI Input voltage limits without damage
Io = 0 - Io nom TC min - TC max Vi nom, Io nom 1 Vi min - Vi max
model inhibited
Table 2b: Input data
Input Characteristics Conditions min 28 CK typ max 140 min 44 DK typ max 220 min 67 EK typ max 385 LK min typ max 88 85 60 110 1.6 2.5 1.5 150
2 4
Unit VDC
4
Vi Vi nom Ii Pi0 Pi inh Ri RNTC Ci Vi RFI Vi abs
1 2
Operating input voltage
Io = 0 - Io nom TC min - TC max
372 264 310 0.4
VAC VDC A
Nominal input voltage Input current No-load input power Idle input power Input resistance NTC resistance
220 0.8 2.5 1.5 2.5 1.5 180 480 4 270 B B 400
3
Vi nom, Io nom 1 Vi min - Vi max
model inhibited
3.0
2.5 4.5
W
170 1 830 2 330 B B 154 0
m 4 270 B B F
Input capacitance Conducted input RFI Radiated input RFI Input voltage limits without damage EN 55022 Vi nom, Io nom 0
B B
0
400
-400
400
VDC
For double output models both outputs loaded with Io nom. Valid for -7 versions without option E. This is the nominal value at 25 C and applies to cold models at initial switch-on cycle. Subsequent switch-on/off cycles increase the inrush current peak value. For 1 s max. AC operating frequency range is 47 to 440 Hz (440 Hz for 115 V mains). For frequencies 63 Hz refer to Safety and Installation Instructions.
3 4
Input Transient Protection A suppressor diode and/or a VDR (depending on input voltage range) together with the input fuse and a symmetrical input filter form an effective protection against high input transient voltages which typically occur in most installations, but especially in battery-driven mobile applications. Nominal battery voltages in use are: 12, 24, 36, 48, 60, 72, 110, and 220 V. In most cases each nominal value is specified in a APR 26, 2006 revised to MAY 15, 2006
tolerance of -30% to 25%. In certain applications, surges according to RIA 12 are specified in addition to those defined in IEC 60571-1. The power supply must not switch off during these surges and since their energy can practically not be absorbed an extremely wide input range is required. The EK input range for 110 V batteries has been designed and tested to meet this requirement. www.power-one.com
Page 5 of 34
K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Input Fuse A fuse mounted inside the converter protects the converter against severe defects. This fuse may not fully protect the converter when the input voltage exceeds 200 VDC! In applications where the converters operate at source voltages above 200 VDC an external fuse or a circuit breaker at system level should be installed! The inrush current peak value (initial switch-on cycle) can be determined by following calculation: Vi source Iinr p = ---------------- (Rs ext + Ri + RNTC)
Table 3: Fuse Specification
Model AK BK 1 CK 2 DK 2 EK 2 FK 2 LK 2
1 1
05109_060805
Fuse type fast-blow fast-blow slow-blow slow-blow slow-blow slow-blow slow-blow
2
Reference Little fuse 314 Little fuse 314 SPT SPT SPT SPT SPT
Rating 30.0 25.0 12.5 8 4 16 4 A, A, A, A, A, A, A, 125 V 125 V 250 V 250 V 250 V 250 V 250 V
+
Rs ext
Iinr p
Ri
RNTC
Vi source
Ci int
Fig. 4 Equivalent circuit for input impedance
Static Input Current Characteristic
Fuse size 6.3 x 32 mm
Fuse size 5 x 20 mm
Inrush Current The CK, DK, EK, and LK models (not -9, not Option E) incorporate an NTC resistor in the input circuitry, which - at initial turn on - reduces the peak inrush current value by a factor of 5 to 10. Subsequent switch-on cycles within short periods increase the inrush current due to the hotter NTC resistor.
Ii inr [A] 150
05108_082605
Ii (A) 20
04044_051106
10
AK
BK FK
100
1
CK
DK
CK EK, LK DK
0.4
EK
1
50
2
3
4
5
Vi ____ Vi min
LK (DC input)
Fig. 5 Typical input current versus relative input voltage
Reverse Polarity
0 1 2 3 t [ms]
Fig. 3 Typical inrush current versus time at Vi max, Rext = 0. For AK, BK, and FK as well as for application-related values use the formula given in this section to get realistic results.
The converters (except LK) are not protected against reverse polarity at the input, but in general, only the input fuse will trip. LK models are fully protected due to the built-in bridge rectifier. Input Under-/Overvoltage Lockout If the input voltage remains below approx. 0.8 Vi min or exceeds approx. 1.1 Vi max, an internally generated inhibit signal disables the output(s). When checking this function the absolute maximum input voltage rating Vi abs should be considered! Between Vi min and the undervoltage lockout level the output voltage may be below the value defined in table: Electrical Output Data.
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Hold-up Time Versus Relative Input Voltage
t h (ms)
04045_082605
100
EK CK/FK DK
th (ms)
10 AK BK
100
04049_082605
1
10
0.1
1
2
3
4
5
6
Vi ____ Vi min
2 1 2 3 4 5 6
i _______
V AC
Vi min AC
Fig. 6a Typical hold-up time th versus relative input voltage Vi/Vi min. The DC-DC converters require an external series diode in the input path if other loads are connected to the same input supply lines.
Fig. 6b Typical hold-up time th versus relative AC input voltage (LK models)
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Electrical Output Data
General Conditions - TA = 25 C, unless TC is specified. - Pin 18 (i) connected to pin 14 (S-/Vo1-), Vo adjusted to Vo nom (option P), R input not connected. - Sense line pins 12 (S+) and 14 (S-) connected to Vo1+ and Vo1-, respectively.
Table 4a: Output data: single-output models
Output Vo nom Characteristics AK-LK1001 5.1 V Conditions min typ max 5.05 7.6 5.15 AK-LK1301 12.0 V min typ max 11.88 21 10 6/12 10.2 6/12.2
7
AK-LK1501 15.0 V min typ max 14.85 26.5 8 6/10 8.2 6/10.2 5
7
AK-LK1601 24.0 V min typ max 23.76 43.5 5 6/6 5.2 6/6.2 5
7
Unit V
Vo
Output voltage
Vi nom, Io nom
12.12
15.15
24.24
Vo P Overvoltage protection (suppressor diode)
Io nom Output current nom
1
Vi min - Vi max TC min - TC max
20 6/25 21 6/26 10
A
Io L vo
Output current limit Output noise 5
Vi min - Vi max Switching freq. Vi nom, Io nom
BW = 20 MHz
2
5
7
mVpp
Total incl. spikes
80 15 -20 150 0.4
50 20 -30 130 0.5 0.02
70 25 -40 130 0.5 0.02
100 30 -50 150 1 0.02 ms %/K mV
Vo u Static line regulation with respect to Vi nom Vo I Static load regulation vo d Dynamic load regulation Voltage deviation
5
Vi min - Vi max Io nom Vi nom, Io nom = (0.1 - 1) Io nom
3
Vi nom, Io = Io nom 0.5Io nom
td
vo
1
Recovery time 3
Temperature coefficient of output voltage 4
TC min - TC max, Io nom
0.02
If the output voltages are increased above Vo nom through R-input control, option P setting, remote sensing or option T, the output current should be reduced accordingly so that Po nom is not exceeded. See: Output Voltage Regulation. See: Dynamic Load Regulation. For battery chargers a defined negative temperature coefficient can be provided, see Accessories. Measured according to IEC/EN 61204. Values for AK. LK models have an additional low-frequency ripple at twice the input frequency (< 5mVpp).
2 3 4 5 6 7
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Table 4b: Output data: double-output models
Output Vo nom Characteristics AK-LK2320 12 V/12 V Conditions
1
AK-LK2540 15 V/15 V Output 1 min typ max 14.85 24 4.0 8/5.0 4.2 8/5.2
7
Output 1 min typ max
Output 2 min typ max 11.76 19 5.0 8/6.0 5.2 8/6.2 12.24
Output 2 min typ 14.70 24 4.0 8/5.0 4.2 8/5.2 A max 15.30 Unit V
Vo Output voltage Vo P Overvoltage protection (suppressor diode) Io nom Output current nom 2 Io L vo
Output current limit Output noise 3
Vi nom, Io nom
11.88 19
12.12
15.15
Vi min - Vi max TC min - TC max
5.0 8/6.0 5.2 8/6.2 5
7
Vi min - Vi max Switching freq. Vi nom, Io nom
BW = 20 MHz
5
5
7
5
7
mVpp
Total including spikes
40 20 -40 100 0.2 0.02
40
6
50 25 -50 100 0.2 0.02
50
6
Vo u Static line regulation with respect to Vi nom Vo I Static load regulation
Vi min - Vi max Io1 nom, Io2 nom Vi nom, Io2 nom,
(0.1 - 1) Io1 nom
mV
6
6
vo d td
vo
Dynamic load regulation
Voltage deviation
3
4
Vi nom,
150
150 ms %/K
Io1 nom 0.5Io1 nom,
Recovery time 4
0.5Io2 nom
Temperature coefficient of output voltage 5
TC min - TC max Io1 nom, Io2 nom
Table 4c: Output data: double-output models
Output Vo nom Characteristics AK-LK2660 24 V/24 V Conditions
1
1 2
Same conditions for both outputs. If the output voltages are increased above Vo nom via R-input control, option P setting, remote sensing or option T, the output currents should be reduced accordingly so that Po nom is not exceeded.
Output 1 min typ max
Output 2 min typ max 24.48 37 2.5 8/3.0 2.7 8/3.2 A
6
Unit V
3 4 5
Vo
Output voltage
Vi nom, Io nom
23.76 37
24.24 23.52
Vo P Overvoltage protection (suppressor diode) Io nom Output current nom 2 Io L vo
Output current limit Output noise 3 Switching freq. Total including spikes
Measured according to IEC/EN 61204. See: Dynamic Load Regulation. For battery chargers a defined negative temperature coefficient can be provided, see Accessories. See: Output Voltage Regulation of Double Output Models. LK models have an additional low-frequency ripple at twice the input frequency (< 5 mVpp). Values for AK.
Vi min - Vi max TC min - TC max Vi nom, Io nom
BW = 20 MHz
2.5 8/3.0
Vi min - Vi max 2.7 8/3.2
5
7
5
7
mVpp
7
80 30
80
8 6
Vo u Static line regulation with respect to Vi nom Vo I Static load regulation
Vi min - Vi max Io1 nom, Io2 nom
Vi nom, Io2 nom, (0.1 - 1) Io1 nom
4
mV
-60 100 0.2 0.02
6
Vo d td
vo
Dynamic load 3 regulation
Voltage deviation Recovery time 4
Vi nom,
150 ms %/K
Io1 nom 0.5Io1 nom,
0.5Io2 nom
Temperature coefficient of output voltage 5
TC min - TC max Io1 nom, Io2 nom
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Thermal Considerations If a converter is located in free, quasi-stationary air (convection cooling) at the indicated maximum ambient temperature TA max (see table: Temperature specifications) and is operated at its nominal input voltage and output power, the temperature measured at the Measuring point of case temperature TC (see: Mechanical Data) will approach the indicated value TC max after the warm-up phase. However, the relationship between TA and TC depends heavily on the conditions of operation and integration into a system. The thermal conditions are influenced by input voltage, output current, airflow and temperature of surrounding components and surfaces. TA max is therefore, contrary to TC max, an indicative value only.
Caution: The installer must ensure that under all operating conditions TC remains within the limits stated in the table Temperature Specifications. Notes: Sufficient forced cooling or an additional heat sink allows TA to be higher than 71 C (e.g., 85 C) if TC max is not exceeded. For -7 or -9 models at ambient temperature TA = 85 C with only convection cooling; the maximum permissible current for each output is approx. 40% of its nominal value as per the figure below.
Output Protection Each output is protected against overvoltages which could occur due to a failure of the internal control circuit. Voltage suppressor diodes (which under worst case condition may become a short circuit) provide the required protection. The suppressor diodes are not designed to withstand externally applied overvoltages. Overload at any of the outputs will cause a shut-down of all outputs. A red LED indicates the overload condition. Parallel or Series Connection Single or double-output models with equal nominal output voltage can be connected in parallel without any precautions using Option T (current sharing). Single output models and/or main and second outputs of doubleoutput models can be connected in series with any other (similar) output.
Notes: - Parallel connection of double output models should include both, main and second output to maintain good regulation of both outputs. - Not more than 5 models should be connected in parallel. - Series connection of second outputs without involving their main outputs should be avoided as regulation may be poor. - Rated output voltages above 36 V need additional measures in order to comply with the safety requirements for SELV (Safe Extra Low Voltage)
Io /Io nom Forced cooling 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
05089_052305
- The maximum output current is limited by the output with the lowest current limitation if several outputs are connected in series.
Output Voltage Regulation The figure below applies to single-output or double-output models with parallel-connected outputs.
TC max Vo Vo nom 0.98
05098_050605
Convection cooling
TA min
50
60
70
80
90
100
TA [C] 0.5 Io1 IoL
Fig. 7 Output current derating versus temperature for -7 and -9 models.
Thermal Protection A temperature sensor generates an internal inhibit signal which disables the outputs if the case temperature exceeds TC max. The outputs are automatically re-enabled when the temperature drops below this limit. Continuous operation under simultaneous worst-case conditions of the following three parameters should be avoided: minimum input voltage, maximum output power, and maximum temperature.
0 0.5 1.0
Io Io nom
Fig. 8 Output Characteristic Vo1 vs. Io1 (typ.)
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Dynamic Load Regulation
Vo Vod Vo 1 % Vod td Io /Io max
1 0.5 0 10 s 10 s
05102
[V] Vo2 15.75 15.50
05106_070805
Vo 1%
td t
15.25 15.00 14.75 14.50
Io1 = 5.00 A Io1 = 3.75 A Io1 = 2.50 A Io1 = 1.25 A Io1 = 0.50 A
t
14.25 14.00 0 1 2 3 4 5 6 7 Io2 [A]
Fig. 9 Typical dynamic load regulation of Vo
Fig. 11 AK - LK2540: Vo2 (typ.) vs. Io2 with different I01
Output Voltage Regulation of Double Output Models
Note: If output 2 is not used, we recommend connecting it in parallel with output 1. This ensures good regulation and efficiency.
[V] Vo2 26.0 25.5 25.0 24.5 24.0 23.5
05107_060805
Output 1 is under normal conditions regulated to Vo1 nom. Vo2 depends upon the load distribution. If both outputs are loaded with more than 10% of Io nom, the deviation of Vo2 remains within 5% of the value of Vo1. The following 3 figures show the regulation with varying load distribution. Two outputs of a K2000 model connected in parallel will behave like the output of a K1000 model.
Io1 = 3.0 A Io1 = 2.0 A Io1 = 1.0 A Io1 = 0.5 A Io1 = 0.3 A
[V] Vo2 12.6 12.4 12.2 12.0 11.8 11.6 11.4 11.2 0 1 2 3 4 5 6 7 8 Io2 [A]
05105_060805
23.0 0 0.5 1 1.5 2 2.5 3 3.5 4 Io1 = 6.0 A Io1 = 4.5 A Io1 = 3.0 A Io1 = 1.5 A Io1 = 0.6 A
Io2 [A]
Fig. 12 AK - LK2660: Vo2 (typ.) vs. Io2 with different I01
Fig. 10 AK - LK2320: Vo2 (typ.) vs. Io2 with different I01
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Auxiliary Functions
i Inhibit for Remote On and Off
Note: With open i input the output is disabled.
Vo /Vo nom 1 0.1 0 Inhibit 1 0
06001
The outputs may be enabled or disabled by means of a logic signal (TTL, CMOS, etc.) applied between the inhibit input i and the negative pin of output 1 (Vo1-). In systems with several models, this feature can be used to control the activation sequence of the converters. If the inhibit function is not required, connect the inhibit pin 18 to pin 14 to enable the outputs (active low logic, fail safe).
t tr tf
t
Fig. 15 Typical output response as a function of inhibit control
Sense Lines (Only single output models)
Important: Sense lines must always be connected! Incorrectly connected sense lines may activate the overvoltage protection, resulting in a permanent short-circuit of the output.
06031
Vi+
Vo+ i I inh Vinh
Vi-
Vo-
Fig. 13 Definition of Vinh and Iinh. Table 5: Inhibit characteristics
Characteristic Conditions min -50 2.4 typ max Unit 0.8 50 -400 30 depending on Io Vinh = 2.4 V
06032
This feature allows for compensation of voltage drops across the connector contacts and if necessary, across the load lines. If the sense lines are connected at the load rather than directly at the connector, the user should ensure that the voltage differences specified in the table below are not exceeded. We recommend connecting the sense lines directly at the female connector. To ensure correct operation, both sense lines (S+ and S-) should be connected to their respective power outputs (Vo1+ and Vo1-) and the voltage difference between any sense line and its respective power output pin (as measured on the connector) should not exceed the following values:
Vinh Inhibit Vo = on Vi min - Vi max voltage Vo = off Iinh Inhibit current Vinh = 0 tr tf
Rise time Fall time Iinh [mA] 2.0 1.6 1.2 0.8 0.4 0 -0.4 -0.8 -50 -30 -10 0 10 Vo = on
V
A ms
Table 6: Maximum voltage compensation allowed using sense lines
Output voltage 5.1 V 12, 15, 24 V Total voltage difference between sense lines and their respective outputs < 0.5 V < 1.0 V Voltage difference between Vo- and S- < 0.25 V < 0.25 V
Vinh = 0.8 V
Vo = off
If the output voltages are increased above Vo nom via the R-input control, option P setting, remote sensing or option T, the output currents must be reduced accordingly so that Po nom is not exceeded.
Vinh [V]
30
50
Fig. 14 Typical inhibit current Iinh versus inhibit voltage Vinh
APR 26, 2006 revised to MAY 15, 2006
Page 12 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Programmable Output Voltage (R-Function) As a standard feature, the converters offer an adjustable output voltage, identified by letter R in the type designation. The control input R (pin 16) accepts either a control voltage Vext or a resistor Rext to adjust the desired output voltage. When not connected, the control input automatically sets the output voltage to Vo nom. a) Adjustment by means of an external control voltage Vext between pin 16 (R) and pin 14: The control voltage range is 0 - 2.75 VDC and allows an output voltage adjustment in the range of approximately 0 - 110% Vo nom.
o Vext = ------ * 2.5 V (approximate formula) V o nom
Notes: - The R-Function excludes option P (output voltage adjustment by potentiometer). - If the output voltages are increased above Vo nom via R-input control, option P setting, remote sensing or option T, the output current(s) should be reduced accordingly so that Po nom is not exceeded. - With double-output models the second output follows the value of the controlled main output. - In case of parallel connection the output voltages should be individually set within a tolerance of 1 - 2%.
V
Vi+
16
Vo1+ R S- Vo1-
05074_050905
b) Adjustment by means of an external resistor: Depending upon the value of the required output voltage the resistor shall be connected Either: Between pin 16 and pin 14 (Vo < Vo nom) to achieve an output voltage adjustment range of approximately 0 - 100% Vo nom or: Between pin 16 and pin 12 (Vo > Vo nom) to achieve an output voltage adjustment range of approximately 100 - 110% Vo nom.
Warning: - Vext shall never exceed 2.75 VDC. - The value of R'ext shall never be less than the lowest value as indicated in table R'ext for (Vo > Vo nom) Vi- Vi-
+ Vext
14
Vi+
12 16 14
Vo1+ S+ R S- Vo1- R'ext Rext
Fig. 16 Output voltage control for single-output models AK - LK1000 by means of the R input
Table 7a: Rext for Vo < Vo nom; approximative values (Vi nom, Io nom, series E 96 resistors); R'ext = not fitted
Vo nom = 5.1 V Vo [V] Rext [k]
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
1
Vo nom = 12 V Vo [V] 1 Rext [k]
2 3 4 5 6 7 8 9 10 11 4 6 8 10 12 14 16 18 20 22 0.806 1.33 2 2.87 4.02 5.62 8.06 12.1 20 42.2 2 4 6 8 9 10 11 12 13 14
Vo nom = 15 V Vo [V] 1 Rext [k]
4 8 12 16 18 20 22 24 26 28 0.619 1.47 2.67 4.53 6.04 8.06 11 16.2 26.1 56.2 4 6 8 10 12 14 16 18 20 22
Vo nom = 24 V Vo [V] 1 Rext [k]
8 12 16 20 24 28 32 36 40 44 0.806 1.33 2 2.87 4.02 5.62 8.06 12.1 20 44.2
0.432 0.976 1.65 2.61 3.83 5.76 8.66 14.7 30.1 200
First column: single-output models or double-output models with separated outputs, second column: outputs in series connection
APR 26, 2006 revised to MAY 15, 2006
Page 13 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Table 7b: R'ext for Vo > Vo nom; approximative values (Vi nom, Io nom, series E 96 resistors); Rext = not fitted
Vo nom = 5.1 V Vo [V] 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5
R'ext [k] 432 215 147 110 88.7 75 64.9 57.6 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 13.0 13.2
Vo nom = 12 V Vo [V] 1 R'ext [k]
24.2 24.4 24.6 24.8 25.0 25.2 25.4 25.6 26.0 26.4 1820 931 619 475 383 316 274 243 196 169 15.2 15.4 15.6 15.8 16.0 16.2 16.4 16.5
Vo nom = 15 V Vo [V]
1
R'ext [k] 1500 768 523 392 316 267 232 221
Vo nom = 24 V Vo [V] 1 R'ext [k]
24.25 24.5 24.75 25.0 25.25 25.5 25.75 26.0 26.25 26.4 48.5 49.0 49.5 50.0 50.5 51.0 51.5 52.0 52.5 52.8 3320 1690 1130 845 698 590 511 442 402 383
30.4 30.8 31.2 31.6 32.0 32.4 32.8 33.0
1
First column: single-output models or double-output models with separated outputs, second column: outputs in series connection
Display Status of LEDs
Vo1 > 0.95 to 0.98Vo1 adj OK i Io L Vi uv Vi min Vi max Vi ov Vi abs
06002_011106
Fig. 17 "OK", "i" and "Io L"status versus input voltage LEDs Conditions: Io Io nom, TC TC max, Vinh 0.8 V Vi uv = undervoltage lockout, Vi ov = overvoltage lockout
Vi Vo1 > 0.95 to 0.98Vo1 adj Vo1 < 0.95 to 0.98Vo1 adj
OK Io L Io nom i IoL
Io
LEDs "OK" and "Io L"status versus output current Conditions: Vi min - Vi max, TC TC max, Vinh 0.8 V LED "i"versus case temperature Conditions: Vi min - Vi max, Io Io nom, Vinh 0.8 V
TC TC max Vinh threshold i Vi inh -50 V LED off +0.8 V +2.4 V LED Status undefined +50 V LED on TPTC threshold
LED "i"versus Vinh Conditions: Vi min - Vi max, Io Io nom, TC TC max
Test Jacks Test jacks for measuring the main output voltage Vo1 are located at the front of the converter. The positive test jack is protected by a series resistor (see: Functional Description, block diagrams). The voltage measured at the test jacks is approximetly 30 mV lower than the value measured at the output terminals.
APR 26, 2006 revised to MAY 15, 2006
Page 14 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Electromagnetic Compatibility (EMC)
A suppressor diode and/or a metal oxide VDR (depending upon type) together with an input fuse and an input filter form an effective protection against high input transient voltages which Electromagnetic Immunity typically occur in most installations; especially in battery-driven mobile applications.
Table 7: Immunity type tests
Phenomenon Supply related surge Direct transient Standard
RIA 12
Surge/ Level A B C D E F G
5 4 3
Coupling mode 1 +i/-i
Value applied 3.5 Vbatt 1.5 Vbatt 960 Vp 1800 Vp 3600 Vp 4800 Vp 8400 Vp
Waveform 2/20/2 ms 0.1/1/0.1 s 10/100 s 5/50 s 0.5/5 s 0.1/1 s 0.05/0.1 s 5/50 s 0.5/5 s 0.1/1 s 0.05/0.1 s 1/50 ns
Source imped. 0.2 5 100
Test procedure 1 positive surge 5 pos. and 5 neg. impulses
In Peroper. form. 2 yes A
(covers also
IEC60571-1 and EN50155:1995)
+i/c, -i/c
yes
B
Indirect coupled transient
H J K L
6
+o/c, -o/c,
1800 Vp 3600 Vp 4800 Vp 8400 Vp
Electrostatic discharge (to case)
IEC/EN 61000-4-2
4
contact discharge air discharge
8000 Vp 15000 Vp 20 V/m 10 V/m
330
10 positive and 10 negative discharges 80 - 1000 MHz 900 5 MHz
yes
A
Electromagnetic IEC/EN field 61000-4-3
3 3
7
antenna antenna
AM 80% 1 kHz 50% duty cycle, 200 Hz repetition frequency bursts of 5/50 ns 2.5/5 kHz over 15 ms; burst period: 300 ms 1.2/50 s 1.2/50 s AM 80% 1 kHz
n.a. n.a.
yes yes
A A
Fast transients/burst
IEC/EN 61000-4-4
4
8
capacitive, o/c i/c, +i/-i direct
2000 Vp 4000 Vp 2000 Vp 2000 Vp 10 VAC (140 dBV)
50
60 s positive 60 s negative transients per coupling mode 5 pos. and 5 neg. surges per coupling mode 0.15 - 80 MHz
yes
A
Surges
IEC/EN 61000-4-5 IEC/EN 61000-4-6
3 3 3
9
i/c +i/-i i, o, signal wires
12 2 150
yes
A
RF conducted immunity
1 2 3
yes
A
i = input, o = output, c = case. A = Normal operation, no deviation from specifications, B = Normal operation, temporary deviation from specs possible. Only met with customer-specific models, CK (48 V battery) and EK (110 V battery) designed for an extended Vi range. Standard DK models (110 V battery) will not be damaged, but overvoltage lockout will occur during the surge. Corresponds to EN50155:2001, waveform A, and EN50121-3-2:2000, table 7.2. Corresponds to EN50155:2001, waveform B. Corresponds to EN50121-3-2:2000, table 9.2. Corresponds to EN50121-3-2:2000, table 9.1. Corresponds to EN50121-3-2:2000, table 7.1. Corresponds to EN50121-3-2:2000, table 7.4.
4 5 6 7 8 9
APR 26, 2006 revised to MAY 15, 2006
Page 15 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Electromagnetic Emission
Fig. 18a Typical disturbance voltage (peak) at the input according to EN 55011/22, measured at Vi nom and Io nom (DK1301-7R).
Note: The Railway Standard, EN50121-3-2:2000 table 3, imposes much higher limits, which are by far fulfilled.
Fig. 18b Typical disturbance voltage (peak) at the input according to EN 55011/22, measured at Vi = 230 VAC and Io nom, (LK1001-7RD9B1).
[dBV/m] 50
07077
A
40
B
30
20
10
0
500 30 50 100 200
[MHz]
1000
Fig. 18c Typical radiated electromagnetic field strength (quasi-peak) according to EN 55011/22, normalized to a distance of 10 m, measured at Vi nom and Io nom.
APR 26, 2006 revised to MAY 15, 2006
Page 16 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Immunity to Environmental Conditions
Table 8: Mechanical and climatic stress
Test method Ca Damp heat steady state Shock (half-sinusoidal) Bump (half-sinusoidal) Vibration (sinusoidal) Standard IEC/EN 60068-2-78 MIL-STD-810D sect. 507.2 IEC/EN 60068-2-27 1 MIL-STD-810D sect. 516.3 IEC/EN 60068-2-29 MIL-STD-810D sect. 516.3 IEC/EN 60068-2-6 MIL-STD-810D sect. 514.3 Test conditions Temperature: Relative humidity: Duration: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: Bump duration: Number of bumps: Acceleration amplitude: 40 2 C 93 +2/-3 % 56 days 100 gn = 981 m/s2 6 ms 18 (3 each direction) 40 gn = 392 m/s2 6 ms 6000 (1000 each direction) Status Converter not operating Converter operating Converter operating
Ea
Eb
Fc
Fn
Vibration broad band random (digital control) Salt mist, cyclic (sodium chloride NaCl solution)
IEC/EN 60068-2-64
0.35 mm (10 - 60 Hz) Converter 5 gn = 49 m/s2 (60 - 2000 Hz) operating Frequency (1 Oct/min): 10 - 2000 Hz Test duration: 7.5 h (2.5 h each axis) Acceleration spectral density: 0.05 gn2/Hz Converter Frequency band: 5 - 500 Hz operating Acceleration magnitude: 4.97 gn rms Test duration: 3 h (1 h each axis) Concentration: Duration: Storage: Storage duration: Number of cycles: 5% (30 C) 2 h per cycle 40 C, 93% rel. humidity 22 h per cycle 3 Converter not operating
Kb
IEC/EN 60068-2-52
1
Covers also EN50155/EN61373 (Category 1, body mounted Class B).
Table 9: Temperature specifications, valid for an air pressure of 800 - 1200 hPa (800 - 1200 mbar)
Temperature Characteristics Conditions Converter Operating Non-operational Standard -7 min -25 -25 -40 max 71 95 100 min -40 -40 -55 Option -9 max 71 95 100 Unit C
TA TC TS
1
Ambient temperature Case temperature
1
Storage temperature
Overtemperature lockout at TC > 95 C
Failure Rates
Table 10: MTBF
Values at specified case temperature MTBF
1 2
Model types AK - LK
Ground benign 40 C 700 000
Ground fixed 40 C 70 C 160 000 500 000 85 000
Ground mobile 50 C 60 000
Unit h
Device hours
1 2
Calculated in accordance with MIL-HDBK-217F-N2 (LK2660-7). Statistical values, based on an average of 4300 working hours per year and over 3 years in general field use.
APR 26, 2006 revised to MAY 15, 2006
Page 17 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Mechanical Data
Dimensions in mm. The converters are designed to be inserted into a 19" rack, 160 mm long, according to IEC 60297-3.
European Projection
09002_051006
7 TE
7.0 10.3 12.1 20.3
9 TE 3.27 30.3 Test jacks (+/-) Option P (Vo) Option D (Vto) d Option D (Vti) LED i (red) LED OK (green) LED IoL (red) 80
159
4.5
111 (3U)
89
29.9 19.7 51.5
50 (171.0 .... 171.9) Front plate Main face Back plate 11.8 = O 3.5 = O 4.1
168.5
Fig. 19 Case K02 with heat sink, case aluminium, black finish and selfcooling, weight: Approx. 1.55 kg
Note: - d 15 mm, recommended clearance to next part in order to ensure proper air circulation at full power. - Free air location: the converter should be mounted with fins in a vertical position to achieve maximum airflow through the heat sink.
APR 26, 2006 revised to MAY 15, 2006
Page 18 of 34
25.9
6.5
Measuring point of case temperature TC
9.5 4.5
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
50 5 5 158
09003_051005
7 TE 3.27
4 TE
M4
111 (3U)
101
Measuring point of case temperature TC
17.3
133.4 168 0.5 (171.0 .... 171.9)
47.2
5
Fig. 20 Case K02 with option B1 (cooling plate),case aluminium, black finish and self cooling, weight: Approx. 1.15 kg
Note: Long case with S-type heat sink or cooling plate B2, elongated by 60 mm for 220 mm rack depth, is available on request. (No LEDs and no test jacks.) These models are assigned a customer-specific part number by Power-One.
APR 26, 2006 revised to MAY 15, 2006
Page 19 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Safety and Installation Instructions
Connector Pin Allocation The connector pin allocation table defines the electrical
10010_091905
potentials and the physical pin positions on the H15/H15 S4 connector. Pin no. 24 (protective earth) is a leading pin, ensuring that it makes contact first.
10090
Fixtures for connector retention clips (see Accessories)
Fixtures for connector retention clips (see Accessories)
30/32 Type H15 S4
4/6
32 Type H15
4
Fig. 21 View of converter's male connectors Table 11: H15 and H15 S4 connector pin allocation
Pin No. 4 6 8 10 12 14 16 18 20 Vo- S+ S- R i D V 22 24 26 28 30 32
1 2 3 4 5 2 3, 5 3, 5 5 1
Connector type H15 S4 AK1000 (all), BK - LK1001 Vo+ Pos. output AK2000 Vo2+ Pos. output 2
Connector type H 15 BK - LK1301/1501/1601 Vo+ Vo+ Vo- Pos. output BK - LK2000 Vo2+ Vo2+ Vo2- Neg. output Sense Sense Control of Vo Inhibit Save data Vo2- Vo1+ Vo1- R i D
5 1
Pos. output 2
Neg. output Sense Sense Control of Vo Inhibit Save data ACFAIL Current share Protective earth
Vo2- Vo1+ Vo1- R i D
5 1
Neg. output 2 Pos. output 1 Neg. output 1 Control of Vo1 Inhibit Safe data
Vo- S+ S- R i D
5 1
Neg. output 2 Pos. output 1 Neg. output 1 Control of Vo1 Inhibit Save data
T
T
5
Current share Protective earth
T
5
Current share Protective earth
4 4 4 4
T
5
Current share Protective earth
4 4 4 4
Vi+ N Vi- L
4 4
Pos. input Neutral line Neg. input Phase
4 4
Vi+ N Vi+ Pos. input Vi+ N Vi- L Vi- Neg. input Vi- L
Pos. input Neutral line Neg. input Phase
4 4
Vi+ N Vi+ N Vi- L Vi- L
Pos. input Neutral line Neg. input Phase
4 4
Not connected, if option P is fitted. Leading pin. Option D excludes option V and vice versa. LK models. Not connected, if none of the options D, T, or V are fitted.
Installation Instructions The K Series converters are components, intended exclusively for inclusion within other equipment by an industrial assembly operation or by professional installers. Installation must strictly follow the national safety regulations in compliance with the enclosure, mounting, creepage, clearance, casualty, markings and segregation requirements of the end-use application. Connection to the system shall be made via the female connector H15/H15 S4 (see: Accessories). Other installation methods may not meet the safety requirements. The converters are provided with pin 24 ( APR 26, 2006 revised to MAY 15, 2006 ), which is reliably
connected with the case. For safety reasons it is essential to connect this pin to protective earth. See: Safety of OperatorAccessible Output Circuit. Input pins 30 and 32 are internally fused. Since this fuse is designed to protect the converter in case of an overcurrent and does not necessarily cover all customer needs, an external fuse suitable for the application and in compliance with the local requirements might be necessary in the wiring to one or both input potentials, pins 26 and 28, and/or 30 and 32.
Page 20 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Important: When the inhibit function is not in use, pin no. 18 (i) should be connected to pin no. 14 (S-/Vo1-) to enable the output(s). Do not open the converters, or guarantee will be invalidated.
Standards and Approvals The converters are UL recognized according to UL 1950, for Canada to CAN/CSA C22.2 No. 950-95, and TUV approved to IEC/EN 60950 standards. The converters correspond to Class I equipment and have been evaluated for: * Building in, * Basic insulation between input and case based on 250 V and double or reinforced insulation or an earthed part between input and output. * The use in a pollution degree 2 environment, * Connecting the input to a primary or secondary circuit which is subject to a maximum transient rating of 2500 V. The converters are subject to manufacturing surveillance in accordance with the above mentioned UL and ISO 9001:2000 standards. Railway Applications The K Series converters have been designed according to the Railway Standards EN50155 and EN50121. All boards and components are coated with a protective lacquer. Cleaning Agents In order to avoid possible damage, any penetration of cleaning fluids must be prevented, since the power supplies are not hermetically sealed. Protection Degree Condition: Female connector fitted to the converter. IP 30: IP 20: All models except those with option P and option D, or V with potentiometer. All models exhibiting a potentiometer.
Due to high current values, some models provide two internally parallel connected contacts for certain paths (pins 4/6, 8/10, 26/28 and 30/32). It is recommended to connect load and supply to both female connector pins of each path in order to keep the voltage drop across the connector pins at an absolute minimum and to avoid overstress of the connector contacts with currents higher than 8 A. Make sure that there is sufficient air flow possible for convection cooling. This should be verified by measuring the case temperature when the converter is installed and operated in the end-use application. The maximum specified case temperature TCmax shall not be exceeded. See also Thermal Considerations. If the end-product is to be UL certified, the temperature of the main isolation transformer should be evaluated as part of the end-product investigation. Check for hazardous voltages before altering any connections. Ensure that a converter failure (e.g., by an internal short-circuit) does not result in a hazardous condition. See also: Safety of Operator Accessible Output Circuits. LK-models Operated at Greater than 63 Hz Above 63 Hz the earth leakage current may exceed 3.5 mA, the maximum specified in IEC/EN 60950. The built-in Y-caps are only approved for 100 Hz. Frequencies greater than 350 Hz are only permitted for Vi 200 VAC. Isolation The electric strength test is performed in the factory as routine test in accordance with EN 50116, IEC/EN 60950 and UL 1950 and should not be repeated in the field. Power-One will not honor any guarantee claims resulting from electric strength field tests.
Table 12: Leakage Currents for LK-models
Characteristic Maximum earth leakage current Permissible according to IEC/EN 60950 Specified value at 264 V, 50 Hz Class I LK1000, LK2000 3.5 1.43 Unit mA
Table 13: Isolation
Characteristic Electric strength test voltage Factory test 1 s AC test voltage equivalent to factory test Input to case + output(s) 2.8 2.0 300
2 1
Output to case 1.4 1.0 300
2
Output to output 0.14 0.1 100
Unit kVDC kVAC M
Insulation resistance at 500 VDC
1 2
In accordance with EN 50116 and IEC/EN 60950 subassemblies are pretested with 5.6 kVDC. Tested at 500 VDC.
APR 26, 2006 revised to MAY 15, 2006
Page 21 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Safety of Operator-Accessible Output Circuits If the output circuit of a DC-DC converter is operator-accessible, it shall be a SELV circuit according to safety standard IEC/EN 60950. The following table shows some possible installation configurations, compliance with which causes the output circuit
Max. 150 VAC or VDC for AK, BK Max. 250 VAC or VDC for CK, DK, EK, FK, LK
of a DC-DC converter to be a SELV circuit according to IEC/EN 60950 up to a configured output voltage (sum of nominal voltages if in series or +/- configuration) of 36 V.
10044_082605
~
Mains
+
AC-DC front end Battery Fuse Fuse Max. 150 VAC or VDC for AK, BK Max. 250 VAC or VDC for CK, DK, EK, FK, LK DC-DC converter SELV
~
-
Earth connection
Fig. 22 Schematic safety concept. Use earth connection as per the table below. Table 14: Safety concept leading to a SELV output circuit
Conditions Front end Nominal supply voltage Minimum required grade of insulation, to be provided by the AC-DC front end, including mains supplied battery charger Functional (no electrical insulation between the mains supply voltage and the DC-DC converter input) DC output voltage from the front end Result DC-DC converter Measures to achieve the specified safety status of the output circuit Result Safety status of the DC-DC converter output circuit SELV circuit Minimum required Types safety status of the front end output circuit Primary circuit AK BK
Mains 150 VAC
100 V. The nominal voltage between any output pin and earth is 150 V (AC or DC) 250 V The nominal voltage between any output pin and earth is 250 V (AC or DC)
a) Double or reinforced insulation based on the mains voltage (provided by the DC-DC converter) AND b) earthed case 3
Mains 250 VAC
CK DK EK FK
Basic
250 V
Unearthed hazardous voltage secondary circuit
AK BK CK DK EK FK
a) Supplementary insulation, based on 250 VAC AND b) double or reinforced insulation 2 (provided by DC-DC converter) AND c) earthed case 3
a) Double or reinforced insulation 2 (provided by the DC-DC converter) AND b) earthed case 3
4
Earthed hazardous voltage secondary circuit Double or reinforced 60 V SELV circuit
120 V
1 2 3 4
TNV-3 circuit
Basic insulation (provided by the DC-DC converter) 4
The front end output voltage should match the specified input voltage range of the DC-DC converter. Based on the maximum nominal output voltage from the front end. The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950. Earthing of the case is recommended, but not mandatory.
APR 26, 2006 revised to MAY 15, 2006
Page 22 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
If the output circuit of a AC-DC converter is operator-accessible, it shall be a SELV circuit according to the related IEC/EN 60950 safety standards. The following table shows a possible installation configuration, compliance with which causes the output circuit of an LK Series AC-DC converter to be a SELV circuit according to IEC/EN
60950 up to a configured output voltage (sum of nominal voltages if in series or +/- configuration) of 36 V. If the LK converters are used as DC-DC converters, please refer to the previous section.
Table 15: Safety concept leading to an SELV output circuit
Conditions Nominal voltage AC-DC converter Grade of insulation between input and output provided by the AC-DC converter Double or reinforced Installation Measures to achieve the resulting safety status of the output circuit Earthed case 1 and installation according to the applicable standards Result Safety status of the AC-DC converter output circuit SELV circuit
Mains 250 VAC
1 The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950.
Mains
~ ~
Fuse Fuse AC-DC converter
10021
+
SELV
-
Earth connection
Fig. 23 Schematic safety concept. Use fuses and earth connection as per: Installation Instructions and table: Safety concept leading to a SELV output circuit.
APR 26, 2006 revised to MAY 15, 2006
Page 23 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Description of Options
Table 16: Survey of options
Option -9 E P D V T B1/B2
1 2 1 1, 2
Function of Option Extended operational ambient temperature range Electronic inrush current limitation circuitry Potentiometer for fine adjustment of output voltage Input and/or output undervoltage monitoring circuitry Input (and output) undervoltage monitoring circuitry Current sharing Cooling plate
Characteristics
TA = -40 to 71 C
Active inrush current limitation for CK, DK, EK Adjustment range +10/-60% of Vo nom (R input not connected) Safe data signal output (versions D0 - DD) ACFAIL signal according to VME specs (versions V0, V2, V3) Interconnect T-pins if paralleling outputs (5 models max.) Replaces standard heat sink, allowing direct chassis-mounting
Option D excludes Option V and vice versa. Only available for Vo1 = 5.1 V.
Option -9: Extended Temperature Range Option -9 extends the operational ambient temperature range from -25 to 71 C to -40 to 71 C. The power supplies provide full nominal output power with convection cooling. Option -9 excludes inrush current limitation by NTC. Option E: Inrush Current Limiter CK/DK/EK/LK models may be supplemented by an electronic circuit (option E, replacing the standard built-in NTC) to achieve an enhanced inrush current limiting function. Option E is mandatory for -9 models. CK models fitted with option E and option D6 (input voltage monitoring) meet the standard ETS 300132-2 for 48 VDC supply voltage. Option D6 (externally adjustable via potentiometer from 36.0 to 40.5 V) is necessary to disable the converter at low input voltages, avoiding an excessive input current. Option D6 threshold level should be adjusted to 44.0 - 50.0 V for 60 V nominal supply systems (refer to the description of option D). The D output can be connected directly to the inhibit input.
Table 17: Inrush current characteristics with option E (DC-DC converters)
Characteristics
Vi nom, Io nom
CK 60 6.8 18 140 9.3 20
DK 110 7.4 14 220 14.5 14
EK 220 14.6 16 380 25.3 12
Unit V A ms V A ms
Input voltage Peak inrush current Inrush current duration Input voltage Peak inrush current Inrush current duration
Iinr p tinr
Vi max, Io nom
Iinr p tinr
Note: Subsequent switch-on cycles at startup are limited to max. 10 cycles during the first 20 seconds (cold model) and then to max. 1 cycle every 8 seconds.
10017_082605
11039_052605
Rectifier (LK)
I [A] Converter Vi /RV
Capacitor Ci fully charged
Input Filter
Control
FET
Normal operation (current limiting circuit is fully conducting)
Ii = Pi /Vi
RS
RI
Ci 0 t [ms] 0 <30
Fig. 24 Option E block diagram
Current limiting resistance = RS + RI = 15 (all models)
Fig. 25 Inrush current with option E (DC-DC converters)
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Table 18: Inrush current characteristics with option E (AC-DC converters)
Characteristics V = 230 VAC min - - LK typ - 35 Unit max 21.7 50 A ms
Iinr p tinr
Peak inrush current Inrush current duration
Ii [A] 20 15 10 5 0 -5 -10 -15 0 20 tinr 40 60 Capacitor Ci fully charged
10065_102005
Normal operation (FET fully conducting)
t [ms] 80
Fig. 26 Inrush current with option E (LK models, Vi = 230 VAC, fi = 50 Hz, Po = Po nom)
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Option P: Potentiometer The potentiometer allows for an output voltage adjustment in the range of +10/-60% of Vo nom. It is accessible through a hole in the front cover. This feature enables compensation of voltage drops across the connector and wiring. Option P is not recommended if models are connected in parallel. In double-output models both outputs are influenced by the potentiometer setting. If option P is fitted, the R-pin 16 is not connected.
Note: If the output voltage is increased above Vo nom via the R-input control, option P setting, remote sensing, or option T, the output current(s) should be reduced accordingly so that Po nom is not exceeded.
Vi- Vi+ Vo+ S+ T S- Vi- Vo- Load Vi+ Vo+ S+ T S- Vo-
1 1 2 1 2 1
11036_070805
Option T: Current Sharing This option ensures that the output currents are approximately shared between all paralleled converters, hence increasing system reliability. To use this facility, simply interconnect the T pins of all converters and make sure, that the reference pins for the T-pin (S- for the K1000 or Vo1- for K2000) are also connected together. The load lines should have equal length and cross section to ensure equal voltage drops. Not more than 5 converters should be connected in parallel. The R-pins should be left in an opencircuit condition. If not, prior to paralleling the Vo1 outputs should be individually adjusted within 1 to 2%. Parallel connection of converters with option P is not recommended.
11003_102005
Max. 5 converters in parallel connection
1
2
Leads should have equal length and cross sections and should run in the same cable loom. Diodes for redundant operation.
Fig. 28 Paralleling of single-output models using option T with the sense lines connected at the load
Vo+ Load Vo- Vo+ Vo- Vo+ Vo-
Module
Vo2+ Vo2- T Vo1+ Vo1-
Power bus + -
Load Vo2+ Vo2-
Fig. 27 An example of poor wiring for connections in parallel (unequal length of load lines)
Module
T Vo1+ Vo1-
Max. 5 converters in parallel connection
11037_052605
Fig. 29 Paralleling of double output models with the outputs connected in series, and using option T in an application with a power bus. Note that the signal at the T-pins is referenced to Vo1-.
APR 26, 2006 revised to MAY 15, 2006
Page 26 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Option D: Undervoltage Monitor The input and/or output undervoltage monitoring circuit operates independently of the built-in input undervoltage lockout circuit. A logic "low" (JFET output) or "high" signal (NPN output) is generated at pin 20 as soon as one of the monitored voltages drops below the preselected threshold level Vt. The return for this signal is Vo1-. The D output recovers when the monitored voltage(s) exceed(s) Vt + Vh. The threshold levels Vti and Vto are either adjustable by a potentiometer, accessible through a hole in the front cover, or factory adjusted to a fixed value specified by the customer. Option D exists in various versions D0 - DD as shown in the following table.
Table 19: Undervoltage monitor functions
Output type JFET D1 D2 D3 D4 D0 NPN D5 D6 D7 D8 D9 Monitoring Minimum adjustment range of threshold level Vt Vti Vto 3.5 - 40 V
1 1
Vi no
yes yes no no yes yes yes
Vo1 yes
no yes yes yes no yes yes yes
Typical hysteresis Vh [% of Vt] for Vt min - Vt max Vhi Vho 3.4 - 0.4
2 2
2.5 - 0.6 "0" "0" 2.5 - 0.6
Vi min - Vi max
-
(0.95 - 0.985 Vo1) (0.95 - 0.985 Vo1) 3.5 - 40 V 3 3.4 - 0.4 3.5 - 40 V 3 (0.95 - 0.985 Vo1) 3.5 - 40 V 1
2
Vi min - Vi max 1
3.4 - 0.4 3.4 - 0.4 3.4 - 0.4 3.4 - 0.4
Vi min - Vi max 3, 4 Vi min - Vi max 3, 4 Vi min - Vi max
3, 4
2.5 - 0.6 "0" 2.5 - 0.6
1 2 3
DD
yes
Vi min - Vi max 1
Threshold level adjustable by potentiometer Fixed value tracking if Vo1 is adjusted via R-input, option P or sense lines. The threshold level is permanently adjusted according to customer specification 2% at 25 C. Any value within the specified range is possible, but causes a new customer-specific type designation. Adjusted at Io nom
4
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
JFET output (D0 - D4): Pin 20 (D) is internally connected via the drain-source path of a JFET (self-conducting type) to Vo1+ or Vo+. VD 0.4 V (logic low) corresponds to a monitored voltage
Input
11006
Vo1+
Rp ID
D
level (Vi and/or Vo1) < Vt. The current ID through the JFET should not exceed 2.5 mA. The JFET is protected by a 0.5 W Zener diode of 8.2 V against external overvoltages.
Vi, Vo1 status Vi or Vo1 < Vt Vi and Vo1 > Vt + Vh
D output, VD low, L, VD 0.4 V at ID = 2.5 mA high, H, ID 25 A at VD = 5.25 V
VD
Vo1-
Fig. 30 Option D1 - D0: JFET output, ID 2.5 mA
NPN output (D5 - DD): Pin 20 (D) is internally connected via the collector-emitter path of an NPN transistor to Vo1+ or Vo+. VD < 0.4 V
Input
11007
Vo1+
(logic low) corresponds to a monitored voltage level (Vi and/or Vo1) > Vt +Vh. The current ID through pin 20 should not exceed 20 mA. This output is not protected against external overvoltages. VD should not exceed 40 V.
Vi, Vo1 status Vi or Vo1 < Vt Vi and Vo1 > Vt + Vh
D output, VD high, H, ID 25 A at VD = 40 V low, L, VD 0.4 V at ID = 20 mA
Rp ID
D
VD
Vo1-
Fig. 31 Option D5 - DD: NPN output, Vo1 40 V, ID 20 mA
Table 20: D-output logic signals
Version of D D1, D2, D3, D4, D0 D5, D6, D7, D8, D9, DD
Vi < Vt resp. Vo < Vt low
high
Vi > Vt + Vh resp. Vo > Vt high
low
Configuration JFET NPN
Threshold tolerances and hysteresis: If Vi is monitored, the internal input voltage after the input filter is measured. Consequently, this voltage differs from the voltage at the connector pins by the voltage drop Vti across the input filter. The threshold levels of the D0 and D9 options are factory-adjusted at nominal output current Io nom and at TA = 25 C. The value of Vti depends upon the input voltage range (CK, DK, ..), threshold level Vt, temperature and input current. The input current is a function of the input voltage and the output power.
VD low VD high
VD
Vti
Vhi
11021
Po = Po nom
Po = Po nom Vi
Po = 0
Vti
Fig. 32 Definition of Vti, Vt i and Vhi (JFET output)
APR 26, 2006 revised to MAY 15, 2006
Page 28 of 34
Po = 0
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
D-signal with respect to input and output voltage versus time:
Input voltage monitoring
NPN VD VD high
3 3 3 3 11008
VD low
0
t
ID high
ID low 0
ID
t
JFET VD VD high
VD low 0
t th1 tlow min4 tlow min4 tlow min4
th1
thigh min
Vo1 Vo1 nom 1 0.95
0
t
Vi [V DC] Vti +Vhi Vti
0
t Input voltage failure Switch-on cycle Input voltage sag Switch-on cycle and subsequent input voltage failure
Output voltage monitoring
NPN VD VD high
VD low
2 3 3
0
ID ID high ID low 0
t
t
JFET VD VD high
VD low 0
t tlow min4
Vo1 Vo1 nom Vto +Vho Vto
0
t
1 2 3
Hold-up time see Electrical Input Data With output voltage monitoring, hold-up time th = 0. The signal will remain high if the D output is connected to an external source.
Output voltage failure
Fig. 33 Relationship between Vi, Vo1, VD, Vo1/Vo nom versus time
4
tlow min = typically 130 ms.
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Option V: ACFAIL signal (VME) Available only for models with Vo = 5.1 V. This option defines an undervoltage monitoring circuit for the input and main output voltage. It generates an ACFAIL signal (V signal) which conforms to the VME standard. The low state level of the ACFAIL signal is specified at a sink current of IV 48 mA to VV 0.6 V (open-collector output of an NPN transistor). The pull-up resistor feeding the open-collector output should be placed on the VME backplane. After the ACFAIL signal has gone low, the VME standard requires a hold-up time (th) of at least 4 ms before the 5.1 V output drops to 4.875 V when the output is fully loaded. The hold-up time is provided by the internal input capacitance. Consequently, the working input voltage and the threshold level (Vti) should be adequately above the minimum input voltage (Vi min) of the converter so that enough energy is remaining in the input capacitance. If the input voltage is below the required level, an external hold-up capacitor (Ci ext) should be added. Formula for threshold level for desired value of th: 2 * Po * (th + 0.3 ms) * 100 --------------------- + Vi min2 Ci min * Formula for the external input capacitor: 2 * Po * (th + 0.3 ms) * 100 Ci ext = ---------------------- - Ci min * (Vti 2 - Vi min2) where as: Ci min = internal input capacitance [mF] Ci ext = external input capacitance [mF] Po = output power [W] th = efficiency [%] = hold-up time [ms]
Vi min = minimum input voltage [V] 1 Vti = threshold level [V]
1 Min. input voltage according to Electrical Input Data. For output voltages Vo > Vo nom, the minimum input voltage increases proportionally to
Vo/Vo nom.
Remarks: Option V2 and V3 can be adjusted by potentiometer to a threshold level between Vi min and Vi max. A decoupling diode should be connected in series with the input of AK - FK converters to avoid the input capacitance discharging through other loads connected to the same source voltage.
Vti =
Table 21: Available internal input capacitance and factory potentiometer setting of Vti with resulting hold-up time
Types AK 0.83 9.5 0.1 BK 0.3 19.5 0.1 FK 1.2 39 3.4 CK 0.66 39 1.1 DK 0.26 61 1.1 EK 0.21 97 2.7 LK 0.21 120 4.2 Unit mF VDC ms
Ci min Vt i th
Option V operates independently of the built-in input undervoltage lockout circuit. A logic "low" signal is generated at pin 20 as soon as one of the monitored voltages drops below the preselected threshold level Vt. The return for this signal is Vo1-. The V output recovers when the monitored voltage(s) exceed(s)
Vt + Vh. The threshold level Vti is either adjustable by potentiometer, accessible through a hole in the front cover, or adjusted during manufacture to a determined customer specified value. Versions V0, V2, and V3 are available as shown below.
Table 22: Undervoltage monitor functions
V output (VME compatible) V2 V3 V0 Monitoring Minimum adjustment range of threshold level Vt Vti Vto - Vi min - Vi max 1 1 Vi min - Vi max 0.95 - 0.985 Vo1 Vi min - Vi max 3, 4 - Typical hysteresis Vh [% of Vt] for Vt min - Vt max Vhi Vho 3.4 - 0.4
2
Vi yes
yes yes yes
Vo1 no
yes no yes
- "0" - "0"
3.4 - 0.4 3.4 - 0.4
Vi min - Vi max
3, 4
0.95 - 0.985 Vo1
2
3.4 - 0.4
1 2 3 4
Threshold level adjustable by potentiometer. Fixed value between 95% and 98.5% of Vo1 (tracking). Adjusted at Io nom. Fixed value, resistor-adjusted (2% at 25 C) acc. to customer's specifications; individual type number is determined by Power-One.
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
V output (V0, V2, V3): Connector pin V is internally connected to the open collector of an NPN transistor. The emitter is connected to Vo1- or Vo-. VV 0.6 V (logic low) corresponds to a monitored voltage level (Vi and/or Vo1) Input
11009
Vo1+
Rp IV
V
VV
Vi, Vo1 status
Vi or Vo1 < Vt Vi and Vo1 > Vt + Vh
V output, VV
low, L, VV 0.6 V at IV = 50 mA high, H, IV 25 A at VV = 5.1 V
Vo1-
Fig. 34 Output configuration of options V0, V2, and V3
VV VV high
Po = Po nom
Threshold tolerances and hysteresis: If Vi is monitored, the internal input voltage is measured after the input filter. Consequently, this voltage differs from the voltage at the connector pins by the voltage drop DVti across the input filter. The threshold level of option V0 is adjusted during manufacture at Io nom and TA = 25 C. The value of Vti depends upon the input voltage range (AK, BK, etc.), threshold level Vt, temperature and input current. The input current is a function of input voltage and output power.
Vti
Vhi
11023
VV low
Po = Po nom Vi
Po = 0
Fig. 35 Vti Definition of Vti, Vti and Vhi
APR 26, 2006 revised to MAY 15, 2006
Page 31 of 34
Po = 0
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Input voltage monitoring
V2 VV VV high
VV low
3 3
t low min 2
4
t low min 2
3
t low min 2
11010 4
0
t t low min 2
3 3 3
V3 VV VV high
VV low
t low min 2
0
t th
1
Vo1 5.1 V 4.875 V
2.0 V 0
th
1
t
Vi [VDC] Vti + Vhi Vti
0
t Input voltage failure Switch-on cycle Input voltage sag Switch-on cycle and subsequent input voltage failure
Output voltage monitoring
V2 VV VV high
VV low
4 4 1 2
VME request: minimum 4 ms
tlow min = 40 - 200 ms, typically 80 ms VV level not defined at Vo1 < 2.0 V
The V signal drops simultaneously with the output voltage. If the pull-up resistor RP is connected to Vo1+. The V signal remains high if RP is connected to an external source.
0
t t low min 2
3 4 3
3 4
V3 VV VV high
VV low 0
t
Vo1 5.1 V 4.875 V
2.0 V 0
t
Fig. 36 Relationship between Vi, Vo1, VV, IV and Vo1/Vo nom versus time.
Vi Vti + Vhi Vti
0
t Output voltage failure
Options B1/B2: Cooling Plate Where a cooling surface is available, we recommend the use of a cooling plate (option B1) instead of the standard heat sink. The mounting system should ensure sufficient cooling capacity to guarantee that the maximum case temperature TC max is not exceeded. The cooling capacity is calculated by:
(100% - ) PLoss = ---------- * Vo * Io Efficiency see: Model Selection Elongated case for 220 mm rack depth: Option B2 Dimensions see Mechanical Data
APR 26, 2006 revised to MAY 15, 2006
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
Accessories
A variety of electrical and mechanical accessories are available including: - Front panels for 19" DIN-rack: Schroff 16 TE /3U, [HZZ00831] and 16 TE /6U [HZZ00832], or Intermas 16 TE /3U [HZZ00731]. - Mating H15/H15 S4 connectors with screw, solder, fast-on or press-fit terminals. - Cable connector housing: Screw version [HZZ00141] or retention clip version [HZZ00142]. - Connector retention clips (2x) [HZZ01209]. - Connector retention brackets CRB [HZZ01216]. - Coding clips for connector coding [HZZ00202]. - DIN-rail mounting assembly DMB-K/S [HZZ00615]. - Wall-mounting plate K02 [HZZ01213] for models with Option B1. - Additional external input or output filters. - Battery temperature sensor [S-KSMH...] for use of the converter as a battery charger. Different battery characteristics can be selected.
For additional accessory product information, see the accessory data sheets listed with each product series or individually at www.power-one.com through the following menus: "Select Products", "Download Data Sheets & Applications Notes", or with each model in the product overviews.
Front panels
DIN mounting assembly DMB-K/S
H15 female connector, code key system
20 to 30 Ncm
Connector retention clip
Connector retention bracket CRB
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divisional president of Power-One, Inc. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice.
APR 26, 2006 revised to MAY 15, 2006
Page 33 of 34
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K Series Data Sheet 150 Watt DC-DC and AC-DC Converters
EC Declaration of Conformity We Power-One AG Ackerstrasse 56, CH-8610 Uster
declare under our sole responsibility that K and S Series AC-DC and DC-DC converters carrying the CE-mark are in conformity with the provisions of the Low Voltage Directive (LVD) 73/23/EEC of the European Communities. Conformity with the directive is presumed by conformity wih the following harmonized standards:
* EN 61204:1995 (= IEC 61204:1993, modified)
Low-voltage power supply devices, DC output - Perfomance characteristics and safety requirements
* EN 60950:2000 (= IEC 60950:2000)
Safety of information technology equipment The installation instructions given in the data sheet describe correct installation leading to the presumption of conformity of the end product with the LVD. All K and S Series AC-DC and DC-DC converters are components, intended exclusively for inclusion within other equipment by an industrial assembly operation or by professional installers. They must not be operated as stand alone products. Hence conformity with the Electromagnetic Compatibility Directive 89/336/EEC (EMC Directive) needs not to be declared. Nevertheless, guidance is provided in most product application notes on how conformity of the end product with the indicated EMC standards under the responsibility of the installer can be achieved, from which conformity with the EMC directive can be presumed. Uster, 24 May 2005 Power-One AG
Rolf Baldauf VP Product Development
Johann Milavec Director Projects and IP
APR 26, 2006 revised to MAY 15, 2006
Page 34 of 34
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