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APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Distributed Power Architectures Semiconductor Equipment
FEATURES * 50 WATTS MAXIMUM OUTPUT POWER * SINGLE OUTPUT UP TO 15A * COMPACT 2.40 X 2.28 X 0.50 INCH PACKAGE * HIGH EFFICIENCY UP TO 91% * INPUT RANGE FROM 18VDC TO 36VDC AND 36VDC TO 75VDC * FIXED SWITCHING FREQUENCY(300KHz) * HALT TESTED * INDUSTRY STANDARD FOOTPRINT * ADJUSTABLE OUTPUT VOLTAGE * NO MINIMUM LOAD * UNDER-VOLTAGE LOCKOUT * INPUT TO OUTPUT ISOLATION (BASIC INSULATION) * CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC * UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * ISO9001 CERTIFIED MANUFACTURING FACILITIES * COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC OPTIONS Negative & Positive logic Remote on/off, Pin length DESCRIPTION HEC50-S single output DC/DC converters provide up to 50 watts of output power in an industry standard half-brick package and footprint. These units are specifically designed to meet the power needs of low-voltage silicon. All models feature a wide input range, trimmable output voltage and a 15A current rating.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output power Voltage accuracy Minimum load Line regulation Load regulation Remote sense (Note 5) Full load and nominal Vin
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
50 Watts, max. Input voltage range 1.5% 0% Input filter See table See table 10% of Vout 24V nominal input 48V nominal input 18 - 36VDC 36 - 75VDC L-C type 50VDC 100VDC 25mS, typ. 25mS, typ. 50mAp-p 20mAp-p 17VDC 34VDC 15VDC 32VDC
Voltage adjustability (Note 5) LL to HL at Full Load No load to Full load
+ 10% , -20% Input surge voltage 100mS max
Ripple and noise (Note 6) 20MHz bandwidth 100mVp-p 0.02% / C, max. Temperature coefficient Transient response recovery time 25% load step change 200S Over voltage protection threshold (Hiccup) 115% ~ 130% of Vout Over current protection threshold 110% ~ 140% of Iout Rated Short circuit protection Hiccup, automatics recovery
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Isolation resistance Isolation capacitance Switching frequency Approvals and standard Case material Weight MTBF (Note 1) Input to Output Input to Case Output to Case See table 1600 VDC, min. 1000 VDC, min. 1000 VDC, min.
7
24V input 48V input Nominal Vin and Power up Start up time constant resistive load Remote ON/OFF 24V input Input reflected ripple current 48V input 24V input Start-up voltage 48V input 24V input Shutdown voltage 48V input Remote ON/OFF (Note 7) (Negative logic) ON=Short or 0V < Vr < 1.2V, IIN=1mA max. OFF=Open or 3V < Vr < 15V, IIN=50A max. (Positive logic) ON=Open or 3V < Vr < 15V, IIN=50A max. OFF=Short or 0V < Vr < 1.2V, IIN=1mA max. Input current of remote control pin Nominal Vin -0.5mA ~ 0.5mA Remote off state input current Nominal Vin 20mA
10 ohms, min. 2500 pF, max. 300 KHz, typ. IEC60950-1, UL60950-1, EN60950-1 Open with Aluminum base-plate 50g (1.76oz) 6 BELLCORE TR-NWT-000332 3.000 x 10 hrs 5 MIL-HDBK-217F 2.560 x 10 hrs
ENVIRONMENTAL SPECIFICATIONS
Operating base-plate temperature range (Note 8) Over temperature protection Humidity max, Non-condensing Storage temperature range Thermal shock Vibration -40C to +100C (with derating) 110C 95% -55C to +125C MIL-STD-810F MIL-STD-810F Class A Perf. Criteria A Perf. Criteria B Perf. Criteria B Perf. Criteria A
EMC CHARACTERISTICS
EMI (Note 9) Radiated immunity Fast transient (Note 10) Surge (Note 10) Conducted immunity EN55022 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 10 V/m 2KV 1KV 10 Vr.m.s
Page 1 of 3
Issued Date2008/05/21
Model Number
HEC50-24S1P8 HEC50-24S2P5 HEC50-24S3P3 HEC50-24S05 HEC50-24S15 HEC50-48S1P8 HEC50-48S2P5 HEC50-48S3P3 HEC50-48S05 HEC50-48S15
Input Range
18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 18 - 36 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC
Output Voltage
1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 15 VDC 1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 15 VDC
Output Current Min. load
0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA 0mA
Full load
15 A 15 A 15 A 10 A 3.3 A 15 A 15 A 15 A 10 A 3.3 A
Line regulation
4 mV 5 mV 7 mV 10 mV 30 mV 4 mV 5 mV 7 mV 10 mV 30 mV
Load regulation
6 mV 8 mV 10 mV 15 mV 45 mV 6 mV 8 mV 10 mV 15 mV 45 mV
Input Current No load(3) Full load(2)
120mA 100mA 120mA 120mA 190mA 80mA 80mA 110mA 90mA 130mA 1.36 A 1.86 A 2.40 A 2.40 A 2.40 A 0.67 A 0.93 A 1.19 A 1.19 A 1.20 A
Eff (%)
86 87 89 90 89 87 88 90 91 90
(4)
Note
1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40C. MIL-HDBK-217F Notice2 @Ta=25 C, Full load(Ground, Benign, controlled environment). 2. Maximum value at nominal input voltage and full load. 3. Typical value at nominal input voltage and no load. 4. Typical value at nominal input voltage and full load. 5. Maximum output deviation is 10% inclusive of remote sense. If remote sense is not being used, the + sense should be connected to its corresponding +OUTPUT and likewise the -sense should be connected to its corresponding -OUTPUT. 6. Measured with a 1F M/C and a 10F T/C. 7. The negative/ positive logic and pin length are optional ( see table ). The pin voltage is referenced to -Vin. 8. Heat sink is optional and P/N: 7G-0021A-F, 7G-0022A-F, 7G-0023A-F, 7G-0024A-F. 9. The HEC50 meets EN55022 class A and class B only with external components connected with the input pins. 10. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor Power Mate suggest: Nippon chemi-con KY series, 220F/100V, ESR 48m. 11. BASEPLATE GROUNDINGBase-plate should be grounded at one of the four screw bolts prior to operation. 12. The converter is provided by basic insulation.
Pin 1,2,3,4,6,7,8. DIA. 0.040 (1.02mm) Pin 5,9. DIA. 0.080 (2.03mm) All dimensions in inches (mm) Tolerance :x.xx0.02 (x.x0.5) x.xxx0.01 (x.xx0.25) Pin pitch tolerance 0.01 (0.25) Pin dimension tolerance 0.004(0.1)
EXTERNAL OUTPUT
Output can be externally trimmed by using the method shown below.
TRIM UP TRIM DOWN
PIN CONNECTION
PIN 1 2 3 4 5 6 7 8 9 Define - INPUT CASE CTRL + INPUT - OUTPUT - SENSE TRIM + SENSE + OUTPUT Diameter 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.08 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.08 Inches
PRODUCT OPTIONS TABLE Option
Negative remote ON/OFF logic, 0.20" pin length (standard) Negative remote ON/OFF logic, 0.145" pin length Negative remote ON/OFF logic, 0.11" pin length Positive remote ON/OFF logic, 0.20" pin length Positive remote ON/OFF logic, 0.145" pin length Positive remote ON/OFF logic, 0.11" pin length
Suffix
-L -K -P -S -M
7
RU
6
RD
8
7
ExampleHEC50-48S3P3-P
Page 2 of 3 Issued Date2008/05/21
Recommended Filter for EN55022 Class B Compliance The components used in the above figure, together with the manufacturers' part numbers for these components, are as follows:
C1 C2 C3 C4 C5
220F/100V 2.2F /100V 2.2F /100V 2.2F /100V 100F/100V C6 HEC50xxx C7 C8 C9 1.5nF /3KV L2 304.98H C10 1.5nF /3KV
2.2F /100V 2.2F /100V 1.5nF /3KV C11 1.5nF /3KV C12 1.5nF /3KV L1 1400.4H
Recommended EN55022 Class B Filter Circuit Layout
Page 3 of 3
Issued Date2008/05/21

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