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APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Distributed Power Architectures Semiconductor Equipment
FEATURES * 75 WATTS MAXIMUM OUTPUT POWER * SINGLE : OUTPUT CURRENT UP TO 20A DUAL : TOTAL OUTPUT CURRENT UP TO 15A; UP TO 100% LOAD IMBALANCE * COMPACT 2.40 X 2.28 X 0.50 INCH PACKAGE * HIGH EFFICIENCY UP TO 90% * INPUT RANGE FROM 36VDC TO 75VDC * FIXED SWITCHING FREQENCY (300KHz) * HALT TESTED * INDUSTRY STANDARD FOOTPRINT * ADJUSTABLE OUTPUT VOLTAGE, INDEPENDENTLY REGULATED OUTPUTS * INPUT TO OUTPUT ISOLATION (BASIC INSULATION) * CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC * SINGLE: UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * DUAL:DESIGN MEET UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * ISO9001 CERTIFIED MANUFACTURING FACILITIES * COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC OPTIONS Remote on/off, Pin length DESCRIPTION HEC75-SERIES DC/DC converters provide up to 75 watts of output power in an industry standard half-brick package and footprint. All models feature a wide input range, trimmable output voltage and a 20A current rating (15A for dual output).
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 Voltage adjustability Full load and nominal Vin
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
75 Watts, max. 1.5% 0% + 10% , -20% + 10% , -10% See table See table 10% of Vout 100mVp-p 0.02% / C, max. Input voltage range 36 - 75VDC Input filter L-C type Input surge voltage 100mS max 100VDC Nominal Vin and Power up 25mS, typ. Start up time constant resistive load Remote ON/OFF 25mS, typ. Input reflected-ripple current 20mAp-p Start-up voltage 34VDC Shutdown voltage 32VDC Remote ON/OFF (Note 8) (Negative logic) ON=Short or 0V < Vr < 1.2V, IIN=1mA max. OFF=Open or 3V < Vr < 15V, IIN=50A max. ON=Open or 3V < Vr < 15V, IIN=50A max. (Positive logic) OFF=Short or 0V < Vr < 1.2V, IIN=1mA max. Input current of remote control pin Nominal Vin -0.5mA ~ 0.5mA 20mA Remote off state input current Nominal Vin
Single (Note 5) Dual Line regulation LL to HL at FL Load regulation No Load to Full Load Remote sense Single (Note 5) Ripple and noise 20MHz bandwidth (Note 6) Temperature coefficient Transient response recovery time 25% load step change 200S Over voltage protection threshold 115% ~ 130% of Vout (Non-latching Hiccup) Maximum total output current I 1 + I 2 Dual 15A Over current protection threshold 110% ~ 140% of Iout Rated Short circuit protection Hiccup, automatics recovery
ENVIRONMENTAL SPECIFICATIONS
Operating base-plate temperature range (Note 9) 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
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Isolation resistance Input to Output Input to Case Output to Case See table 1600 VDC, min. 1000 VDC, min. 1000 VDC, min.
7
10 ohms, min. Isolation capacitance 2500 pF, max. Switching frequency 300 KHz, typ. Approvals and standard (Note 7) IEC60950-1, UL60950-1, EN60950-1 Case material Open with Aluminum base-plate Single 63g (2.22oz) Weight Dual 70g (2.47oz) 6 BELLCORE TR-NWT-000332 Single 2.000 x 10 hrs 5 Dual 1.300 x 10 hrs MTBF (Note 1) 5 MIL-HDBK-217F Single 2.170 x 10 hrs 5 1.080 x 10 hrs Dual
EMC CHARACTERISTICS
EMI (Note 10) Radiated immunity Fast transient (Note 11) Surge (Note 11) Conducted immunity EN55022 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 10 V/m 2KV 1KV 10 Vr.m.s Class A Perf. Criteria A Perf. Criteria B Perf. Criteria B Perf. Criteria A
Page 1 of 4 Issued Date2008/05/21
Model Number
HEC75-48S1P8 HEC75-48S2P5 HEC75-48S3P3 HEC75-48S05 HEC75-48S15
Input Range
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 5.0 VDC 15 VDC
Output Current Min. load Full load
0mA 0mA 0mA 0mA 0mA 20 A 20 A 20 A 15 A 5A
Line Load Regulation Regulation
4 mV 5 mV 7 mV 10 mV 30 mV 6 mV 8 mV 10 mV 15 mV 45 mV
Input Current No (3) load
120mA 90mA 120mA 130mA 160mA
Full (2) load
0.926 A 1.255 A 1.618 A 1.838 A 1.860 A
Eff (%)
85 87 90 90 90
(4)
Model Number Input Range
HEC75-48D3305 HEC75-48D3325 HEC75-48D0518 HEC75-48D3318 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC 36 - 75 VDC
Output Voltage V1 V2
5 VDC 3.3 VDC 5 VDC 3.3 VDC 3.3 VDC 2.5 VDC 1.8 VDC 1.8 VDC
Output Current I1 I2
15 A 15 A 15 A 15 A 15 A 15 A 15 A 15 A
Line Regulation
10/7 mV 7/5 mV 10/4 mV 7/4 mV
Load Regulation
15/10 mV 10/8 mV 15/6 mV 10/6 mV
Eff (%)
88 81 85 81
(4)
Note
1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at Tc=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. SingleTypical value at nominal input voltage and full load. DualTypical value at nominal input voltage and both outputs current are 7.5A. 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 M/C(for dual outputs) or 1F M/C and a 10F T/C(for single outputs) 7. Dual output safety approvals pending. 8. The negative / positive logic and pin length are optional. The pin voltage is referenced to -Vin. SinglePlease see single output product options table. DualPlease see dual output product options table. 9. Heat sink is optional and P/N: 7G-0021A-F, 7G-0022A-F, 7G-0023A-F, 7G-0024A-F. 10. The HEC75 meets EN55022 class A and class B only with external components connected with the input pins of the converter. 11. 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. 12. BASEPLATE GROUNDINGBase-plate should be grounded at one of the four screw bolts prior to operation. 13. The converter is provided by basic insulation.
Page 2 of 4 Issued Date2008/05/21
Single Output :
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 TRIMMING 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
ExampleHEC75-48S3P3-P
Dual Output :
Pin DIA. 0.040 (1.02mm) 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 TRIMMING Output can be externally trimmed by using the method shown below. ( ) for V2 output trim
TRIM DOWN TRIM UP
PIN CONNECTION
PIN 1 2 3 4 5 6 7 8 9 10 Define - INPUT CASE CTRL + INPUT + V2 -V2 (COM) V2 TRIM +V1 -V1 (COM) V1 TRIM Diameter 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches 0.04 Inches
PRODUCT OPTIONS TABLE Option
Positive remote ON/OFF logic, 0.20" pin length (standard) Positive remote ON/OFF logic, 0.145" pin length Positive remote ON/OFF logic, 0.11" pin length Negative remote ON/OFF logic, 0.20" pin length Negative remote ON/OFF logic, 0.145" pin length Negative remote ON/OFF logic, 0.11" pin length
Suffix
-L -K -N -S -M
9(6)
RD
10(7)
RU
10(7)
8(5)
ExampleHEC75-48D3305-N
Page 3 of 4 Issued Date2008/05/21
Recommended Filter for Class B Compliance
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 HEC75xxx 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 4 of 4 Issued Date2008/05/21

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