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FEATURES
High efficiency: 91% @ 12Vin, 5V/4A out Small size and low profile: 17.8 x 15.0 x 7.8mm (0.70"x 0.59" x 0.31") Output voltage adjustment: 0.9V~5V Monotonic startup into normal and pre-biased loads Input UVLO, output OCP Remote ON/OFF(Positive) Output short circuit protection Fixed frequency operation Copper pad to provide excellent thermal performance ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing UL/cUL 60950 (US & Canada) Recognized, and TUV (EN60950) Certified CE mark meets 73/23/EEC and 93/68/EEC directives
Delphi Series IPM, Non-Isolated, Integrated Point-of-Load Power Modules: 8V~14V input, 0.9~5V and 4A Output Current
The Delphi Series IPM12C non-isolated, fully integrated Point-of-Load (POL) power modules, are the latest offerings from a world leader in power systems technology and manufacturing -Delta Electronics, Inc. This product family provides up to 4A of output current or 20W of output power in an industry standard, compact, IC-like, molded package. It is highly integrated and does not require external components to provide the point-of-load function. A copper pad on the back of the module, in close contact with the internal heat dissipation components, provides excellent thermal performance. The assembly process of the modules is fully automated with no manual assembly involved. These converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. IPM12C operates from an 8V~14V source and provides a programmable output voltage of 0.9V to 5V. The IPM product family is available in both a SMD or SIP package.
OPTION
SMD or SIP package
APPLICATIONS
Telecom/ DataCom Wireless Networks Optical Network Equipment Server and Data Storage Industrial/Test Equipment
DATASHEET IPM12C0A0R/S04_08242006
Delta Electronics, Inc.
TECHICAL SPECIFICATIONS
TA = 25C, airflow rate = 300 LFM, Vin = 12Vdc, nominal Vout unless otherwise noted.
PARAMETER
ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) Operating Temperature Storage Temperature INPUT CHARACTERISTICS Operating Input Voltage Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Maximum Input Current No-Load Input Current Off Converter Input Current Input Reflected-Ripple Current Input Voltage Ripple Rejection OUTPUT CHARACTERISTICS Output Voltage Set Point Output Voltage Adjustable Range Output Voltage Regulation Over Line Over Load Over Temperature Total Output Voltage Range Output Voltage Ripple and Noise Peak-to-Peak RMS Output Current Range Output Voltage Over-shoot at Start-up Output DC Current-Limit Inception DYNAMIC CHARACTERISTICS Dynamic Load Response Positive Step Change in Output Current Negative Step Change in Output Current Setting Time to 10% of Peak Devitation Turn-On Transient Start-Up Time, From On/Off Control Start-Up Time, From Input Output Voltage Rise Time Maximum Output Startup Capacitive Load EFFICIENCY Vo=0.9V Vo=1.2V Vo=1.5V Vo=1.8V Vo=2.5V Vo=3.3V Vo=5.0V FEATURE CHARACTERISTICS Switching Frequency ON/OFF Control, (Logic High-Module ON) Logic High Logic Low ON/OFF Current Leakage Current GENERAL SPECIFICATIONS MTBF Weight
NOTES and CONDITIONS
IPM12C0A0R/S04FA
Min. Typ. Max. 15 113 +125 12 7.9 7.6 14 Units Vdc C C V V V A mA mA mAp-p dB Vdc V % Vo,set % Vo,set %Vo,set/ % Vo,set mVp-p mV A % Vo,set % Io mVpk mVpk s ms ms ms F F % % % % % % % kHz Vin,max 0.8 1 50 V V mA A M hours grams 0 -40 -55 8
Refer to figure 35 for measuring point
Vin=Vin,min to Vin,max, Io=Io,max P-P 1H inductor, 5Hz to 20MHz 120 Hz Vin=12V, Io=Io,max, Ta=25 Vin=Vin,min to Vin,max Io=Io,min to Io,max Ta=Ta,min to Ta,max Over sample load, line and temperature 5Hz to 20MHz bandwidth Full Load, 1F ceramic, 10F tantalum Full Load, 1F ceramic, 10F tantalum Vin=10V to 14V, Io=0A to 4A, Ta=25 10F Tan & 1F Ceramic load cap, 2.5A/s 50% Io, max to 100% Io, max 100% Io, max to 50% Io, max Io=Io.max Time for Vo to rise from 10% to 90% of Vo,set, Full load; ESR 1m Full load; ESR 10m Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 Vin=12V, Io=Io,max, Ta=25 5 17 17 9 0.889 0.8 3 20 TBD 0.900 0.1 0.3 0.01 -3.0 40 15 0 0 200 100 100 40
4.5 85 10 40 0.911 5
0.025 +3.0 60 30 4 1
150 150 25 25 15 1500 5000
73.0 77.0 80.0 82.5 85.5 87.5 90.0
75.0 79.5 82.0 84.0 86.5 88.5 91.0 485
Module On Module Off Ion/off at Von/off=0 Logic High, Von/off=5V Io=80% Io,max, Ta=25
2.4 -0.2 0.25 15.4 6
DS_IPM12C0A0R04_08242006
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ELECTRICAL CHARACTERISTICS CURVES
85
90
EFFICIENCY(%)
75
EFFICIENCY(%)
80
8V
65
8V
70
10V
10V
12V
14V
1 2 3 LOAD (A) 4 5
12V
55 1 2 3 LOAD (A) 4
14V
5
60
Figure 1: Converter efficiency vs. output current (0.90V output voltage)
Figure 2: Converter efficiency vs. output current (1.2V output voltage)
85
EFFICIENCY(%)
85
EFFICIENCY(%)
75
8V
75
8V
10V
10V
12V
65 1 2 3 LOAD (A) 4
12V
65 1 2 3 LOAD (A) 4
14V
5
14V
5
Figure 3: Converter efficiency vs. output current (1.5V output voltage)
Figure 4: Converter efficiency vs. output current (1.8V output voltage)
90
EFFICIENCY(%)
EFFICIENCY(%)
90
80
8V
10V
12V
14V
1 2 3 LOAD (A) 4 5
80
8V
10V
12V
14V
1 2 3 LOAD (A) 4 5
70
70
Figure 5: Converter efficiency vs. output current (2.5V 0utput voltage)
Figure 6: Converter efficiency vs. output current (3.3V output voltage)
DS_IPM12C0A0R04_08242006
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ELECTRICAL CHARACTERISTICS CURVES
100
EFFICIENCY(%)
90
8V
80
10V
12V
14V
1 2 3 LOAD (A) 4 5
70
Figure 7: Converter efficiency vs. output current (5.0V output voltage)
Figure 8: Output ripple & noise at 12Vin, 0.9V/4A out
Figure 9: Output ripple & noise at 12Vin, 1.2V/4A out
Figure 10: Output ripple & noise at 12Vin,1.5V/4A out
Figure 11: Output ripple & noise at 12Vin, 1.8V/4A out
Figure 12: Output ripple & noise at 12Vin, 2.5V/4A out
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ELECTRICAL CHARACTERISTICS CURVES
Figure 13: Output ripple & noise at 12Vin, 3.3V/4A out
Figure 14: Output ripple & noise at 12Vin, 5.0V/4A out
Figure 15: Power on waveform at 12vin, 0.9V/4A out with application of Vin
Figure 16: Power on waveform at 12vin, 5V/4A out with application of Vin
Figure 17: Power off waveform at 12vin, 0.9V/4A out with application of Vin
Figure 18: Power off waveform at 12vin, 5.0V/4A out with application of Vin
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ELECTRICAL CHARACTERISTICS CURVES
Figure 19: Remote turn on delay time at 12vin, 0.9V/4A out
Figure 20: Remote turn on delay time at 12vin, 5.0V/4A out
Figure 21: Turn on delay at 12vin, 0.9V/4A out with application of Vin
Figure 22: Turn on delay at 12vin, 5.0V/4A out with application of Vin
Figure 23: Typical transient response to step load change at 2.5A/S from 100% to 50% of Io, max at 12Vin, 5.0V out (measurement with a 1uF ceramic and a 10F tantalum)
Figure 24: Typical transient response to step load change at 2.5A/S from 50% to 100% of Io, max at 12Vin, 5.0V out (measurement with a 1uF ceramic and a 10F tantalu)
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TEST CONFIGURATIONS
TO OSCILLOSCOPE
DESIGN CONSIDERATIONS
Input Source Impedance
VI(+)
L
2 47uF Tantalum
BATTERY
VI(-)
Note: Input reflected-ripple current is measured with a simulated source inductance. Current is measured at the input of the module.
Figure 25: Input reflected-ripple current test setup
To maintain low-noise and ripple at the input voltage, it is critical to use low ESR capacitors at the input to the module. Figure 28 shows the input ripple voltage (mVp-p) for various output models using 2x47 uF low ESR tantalum capacitors (SANYO P/N:16TPB470M, 47uF/16V or equivalent) or 2x22 uF very low ESR ceramic capacitors (TDK P/N:C3225X7S1C226MT, 22uF/16V or equivalent). The input capacitance should be able to handle an AC ripple current of at least:
Irms = Iout Vout Vout 1 - Vin Vin Arms
COPPER STRIP
Vo
1uF 10uF tantalum ceramic SCOPE Resistive Load
400
Input Ripple Voltage (mVp-p)
350 300 250 200 150 100 50 0
GND
Note: Use a 10F tantalum and 1F capacitor. Scope measurement should be made using a BNC connector.
Figure 26: Peak-peak output noise and startup transient measurement test setup
CONTACT AND DISTRIBUTION LOSSES
Tantalum Ceramic
0 1 2 3 Output Voltage (Vdc) 4 5 6
VI II SUPPLY
Vo Io LOAD
GND
Figure 28: Input ripple voltage for various output models, Io = 4A (Cin = 2x47uF tantalum capacitors or 2x22uF ceramic capacitors at the input)
CONTACT RESISTANCE
Figure 27: Output voltage and efficiency measurement test setup
Note: All measurements are taken at the module terminals. When the module is not soldered (via socket), place Kelvin connections at module terminals to avoid measurement errors due to contact resistance.
The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the module. An input capacitance must be placed close to the modules input pins to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module.
=(
Vo x Io ) x 100 % Vi x Ii
7
DS_IPM12C0A0R04_08242006
DESIGN CONSIDERATIONS
Safety Considerations
For safety-agency approval the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standards. For the converter output to be considered meeting the requirements of safety extra-low voltage (SELV), the input must meet SELV requirements. The power module has extra-low voltage (ELV) outputs when all inputs are ELV. The input to these units is to be provided with a maximum 10A time-delay fuse in the ungrounded lead.
FEATURES DESCRIPTIONS
Over-Current Protection
To provide protection in an output over load fault condition, the unit is equipped with internal over-current protection. When the over-current protection is triggered, the unit enters hiccup mode. The units operate normally once the fault condition is removed.
Pre-Bias Startup Capability
The IPM would perform the monotonic startup into the pre-bias loads; so as to avoid a system voltage drop occur upon application. In complex digital systems an external voltage can sometimes be presented at the output of the module during power on. This voltage may be feedback through a multi-supply logic component, such as FPGA or ASIC. Another way might be via a clamp diode as part of a power up sequencing implementation.
Remote On/Off
The IPM series power modules have an On/Off control pin for output voltage remote On/Off operation. The On/Off pin is an open collector/drain logic input signal that is referenced to ground. When On/Off control pin is not used, leave the pin unconnected. The remote on/off pin is internally connected to +Vin through an internal pull-up resistor. Figure 29 shows the circuit configuration for applying the remote on/off pin. The module will execute a soft start ON when the transistor Q1 is in the off state. The typical rise for this remote on/off pin at the output voltage of 2.5V and 5.0V are shown in Figure 17 and 18.
Output Voltage Programming
The output voltage of IPM can be programmed to any voltage between 0.8Vdc and 5Vdc by connecting one resistor (shown as Rtrim in Figure 30, 31) between the TRIM and GND pins of the module to trim up (0.9V ~ 5V) and between the Trim and +Output to trim down (0.8V ~ 0.9V). Without this external resistor, the output voltage of the module is 0.9 Vdc. To calculate the value of the resistor Rtrim for a particular output voltage Vo, please use the following equation: Trim up 3.752 Rtrim = - 0.261 (K) Vout -0.9 Trim Down
Vin
Vo
IPM
On/Off
RL
Rtrim =
Q1
GND
1.072 0.9 - Vout
- 5.621 (K)
Rtrim is the external resistor in K Vout is the desired output voltage
Figure 29: Remote on/off implementation
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FEATURES DESCRIPTIONS (CON.)
For example: to program the output voltage of the IPM module to 3.3Vdc, Rtrim is calculated as follows: 3.752 3.3 -0.9
Vout Rtrim
Rtrim =
- 0.261 (K)
Load Trim
GND
Rtrim = 1.302 K
Figure 31: Trim down Circuit configuration for programming output voltage using an external resistor
IPM can also be programmed by applying a voltage between the TRIM and GND pins (Figure 32). The following equation can be used to determine the value of Vtrim needed for a desired output voltage Vo: Vtrim = 0.7439 - 0.0488Vo Vtrim is the external voltage in V Vo is the desired output voltage For example, to program the output voltage of a IPM module to 3.3 Vdc, Vtrim is calculated as follows Vtrim = 0.7439 - 0.0488 x 3.3 Vtrim = 0.5829V
Figure 32: Circuit configuration for programming output voltage using external voltage source
Figure 30:
Trim up Circuit configuration for programming output voltage using an external resistor
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FEATURE DESCRIPTIONS (CON.)
Table 1 provides Rtrim values required for some common output voltages, while Table 2 provides value of external voltage source, Vtrim, for the same common output voltages. By using a 0.5% tolerance resistor, set point tolerance of 2% can be achieved as specified in the electrical specification. Table 1
VO (V) 0.800 0.900 1.0 1.2 1.5 1.8 2.5 3.3 5.0 Rtrim () 5.09K Open 37.2K 12.2K 5.99K 3.90K 2.08K 1.30K 654
The amount of power delivered by the module is the voltage at the output terminals multiplied by the output current. When using the trim feature, the output voltage of the module can be increased, which at the same output current would increase the power output of the module. Care should be taken to ensure that the maximum output power of the module must not exceed the maximum rated power (Vo.set x Io.max P max).
Voltage Margining
Output voltage margining can be implemented in the IPM modules by connecting a resistor, Rmargin-up, from the Trim pin to the ground pin for margining-up the output voltage and by connecting a resistor, Rmargin-down, from the Trim pin to the output pin for margining-down. Figure 33 shows the circuit configuration for output voltage margining. If unused, leave the trim pin unconnected.
Table 2
VO (V) 0.80 0.90 1.2 1.5 1.8 2.5 3.3 5.0 Vtrim (V) 0.705 0.700 0.685 0.671 0.656 0.622 0.583 0.500
Vin Vo
IPM
On/Off Trim
Rmargin-down Q1
Rmargin-up Rtrim Q2
GND
Figure 33: Circuit configuration for output voltage margining
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THERMAL CONSIDERATIONS
Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel.
THERMAL CURVES
Thermal Testing Setup
Delta's DC/DC power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. The following figure shows the wind tunnel characterization setup. The power module is mounted on a test PWB and is vertically positioned within the wind tunnel. The height of this fan duct is constantly kept at 25.4mm (1'').
Figure 35: Temperature measurement location * The allowed maximum hot spot temperature is defined at 113.
IPM12C (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=12V, Vout = 5V (Either Orientation)
Output Current(A) 5
4
3
Thermal Derating
2
Natural Convection
Heat can be removed by increasing airflow over the module. To enhance system reliability, the power module should always be operated below the maximum operating temperature. If the temperature exceeds the maximum module temperature, reliability of the unit may be affected.
FACING PWB PWB
100LFM
1
200LFM
0 50 55 60 65 70 75 80 85 Ambient Temperature ()
Figure 36: Output current vs. ambient temperature and air velocity @ Vin=12V, Vo=5V
IPM12C (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=12V, Vout = 3.3V (Either Orientation)
Output Current(A)
MODULE
5
4
AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE
AIR FLOW
3
Natural Convection
2
50.8 (2.0")
1
100LFM
0
12.7 (0.5") 25.4 (1.0")
50
55
60
65
70
75
80 85 Ambient Temperature ()
Figure 37: Output current vs. ambient temperature and air velocity @ Vin=12V, Vo=3.3V
Figure 34: Wind tunnel test setup
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THERMAL CURVES (CON.)
Output Current(A) 5
IPM12C (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=12V, Vout = 1.8V (Either Orientation)
4
3
Natural Convection
2
1
0 50 55 60 65 70 75 80 85 Ambient Temperature ()
Figure 38: Output current vs. ambient temperature and air velocity @ Vin=12V, Vo=1.8V(Either Orientation)
Output Current(A) 5
IPM12C (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin=12V, Vout = 0.9V (Either Orientation)
4
3
Natural Convection
2
1
0 50 55 60 65 70 75 80 85 Ambient Temperature ()
Figure 39: Output current vs. ambient temperature and air velocity @ Vin=12V, Vo=0.9V(Either Orientation)
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PICK AND PLACE LOCATION
SURFACE- MOUNT TAPE & REEL
All dimensions are in millimeters (inches)
All dimensions are in millimeters (inches)
LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE
Temp.
Peak Temp. ~ 225
183 150 100
Ramp down max. 4 /sec
Preheat time 60~150 sec Ramp up max. 3 /sec 60 ~ 120 sec
25
Time
Note: All temperature refers to assembly application board, measured on the land of assembly application board.
LEAD FREE PROCESS RECOMMEND TEMP. PROFILE
Temp.
Peak Temp. ~ 220
210
200
Ramp down max. 4 /sec
150
Preheat time
90~150 sec
Ramp up max. 3 /sec
Time Limited 60 sec above 210
25
Time
Note: All temperature refers to topside of the package, measured on the package body surface.
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MECHANICAL DRAWING
SMD PACKAGE SIP PACKAGE
12345
RECOMMEND PWB PAD LAYOUT
RECOMMEND PWB HOLE LAYOUT
Note: The copper pad is recommended to connect to the ground.
7
6
12345
12345
Note: All dimension are in millimeters(inches) standard dimension tolerance is 0.10(0.004")
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PART NUMBERING SYSTEM
IPM
Product Family
Module
12
Input Voltage
C
Number of Outputs
C - Low current
0A0
Output Voltage
0A0 - programmable output
R
Package
R - SIP S - SMD
04
Output Current
04 - 4A
F
A
Option Code
Integrated POL 12 - 8V ~ 14V
F- RoHS 6/6 (Lead Free)
A - Standard Function
MODEL LIST
Model Name
IPM12C0A0R04FA IPM12C0A0S04FA IPM04C0A0R06FA IPM04C0A0S06FA
Packaging
SIP SMD SIP SMD
Input Voltage
8V ~14V 8V ~14V 3V ~ 5.5V 3V ~ 5.5V
Output Voltage
0.8V ~ 5V 0.8V ~ 5V 0.8V ~ 3.3V 0.8V ~ 3.3V
Output Current Efficiency (Typical @ full load)
4A 4A 6A 6A 91% 91% 93% 93%
CONTACT: www.delta.com.tw/dcdc
USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: DCDC@delta-corp.com Europe: Phone: +41 31 998 53 11 Fax: +41 31 998 53 53 Email: DCDC@delta-es.com Asia & the rest of world: Telephone: +886 3 4526107 ext 6220 Fax: +886 3 4513485 Email: DCDC@delta.com.tw
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta. Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice. DS_IPM12C0A0R04_08242006
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