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MI-ComPAC
Military DC-DC Power Supplies Features
Inputs: 28Vdc per MIL-STD-704A, MIL-STD-1275A 270Vdc per MIL-STD-704D/E Outputs: 1 to 3, 2 to 48Vdc Up to 5W/in3 MIL-STD-461C/D/E EMI compliance High efficiency

TM

Low noise FM control Reverse polarity protection Size — 1- up: 8.6" x 2.5" x 0.99" (219,2 x 64,5 x 25,1mm) Size — 2- up: 8.6" x 4.9" x 0.99" (219,2 x 126,0 x 25,1mm) Size — 3- up: 8.6" x 7.3" x 0.99" (219,2 x 187,45 x 25,1mm)

Product Highlights
The MI-ComPAC is a complete single, dual, or triple output DC-DC power supply that delivers up to 300W from inputs of 28Vdc or 270Vdc. The MI-ComPAC meets the conducted emissions and conducted susceptibility specifications of MIL-STD-461C/D/E and offers complete input transient, surge, and spike protection to the most severe levels of MIL-STD-1275A, 704A. Reverse polarity protection and over/undervoltage lockout provide additional safeguards against potentially damaging line conditions. The MI-ComPAC also features a master disable.

Remote sense ZVS/ZCS power architecture

Configuration Chart
Number of Modules 1 2 3

Single Output MI-LC MI-MC MI-NC Dual Output MI-PC MI-QC Triple Output MI-RC

– – –

50 – 100W 150 – 200W 300W

8.6" x 2.5" x 0.99" 8.6" x 4.9" x 0.99" 8.6" x 7.3" x 0.99"

– –

100 – 200W 200 – 300W

8.6" x 4.9" x 0.99" 8.6" x 7.3" x 0.99"

2 3



150 – 300W

8.6" x 7.3" x 0.99"

3

Conduction Cooled Models Available Add "-CC" to the end of the part number. (Consult factory for details.)

Input Voltage Nominal Range
2 =28Vdc 18 – 50V 6 =270Vdc 125 – 400V (1)

Output Voltage
Z = 2V Y = 3.3V 0 = 5V X = 5.2V W= 5.5V V = 5.8V T = 6.5V R = 7.5V M = 10V 1 = 12V P = 13.8V 2 = 15V N = 18.5V 3 = 24V L = 28V J = 36V K = 40V 4 = 48V

Product Grade
I = –40°C to +85°C M = –55°C to +85°C

Output Power/Current ≥5V <5V
Y X W V = = = = 50W 75W 100W — 10A 15A 20A 30A

Output Power/Current ≥5V <5V
V U S = = = 150W 200W — 30A — 60A

Output Power/Current ≥5V <5V
S P = = 300W — — 90A

(1)

These units rated at 75% load from 125-150Vin: 5Vout @ 100W; 2Vout and 3.3Vout @ 30A.

MI-ComPAC 11/02

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Specifications

Specifications
(At TBP = 25°C, nominal line and 75% load, unless otherwise specified)
PARAMETER Input Characteristics 28Vdc input modules Steady state input Low line lockout Input spike limit Input surge limit Overvoltage shutdown Reverse polarity protection Recommended fuse 270Vdc input modules Steady state input Low line lockout Input spike limit 18 -600 -250 50 10(1) 125 270 400 125 +800 +600 500 28 50 16 +600 +250 100 Vdc Vdc Vdc Vdc Vdc Vdc Amps Vdc Vdc Vdc Vdc Vdc Vdc Amps Watts mA %, Iin MIN TYP MAX UNITS NOTES

Automatic recovery 20?s, 50? per MIL-STD-704A 100?s, 15mJ per MIL-STD-1275A 60mS, 0.5? per MIL-STD-1275A 100mS automatic recovery Shunt diode: input fuse required F03A type

-600 Input surge limit Overvoltage shutdown 400 Reverse polarity protection Recommended fuse All models No load power dissipation Master disable input current (2) 4 (Absolute max., 20mA) Inrush current EMC Characteristics; MIL-STD-461C/D/E Input power leads Conducted emissions

2 (1) 1.5(1) 2(1)

Automatic recovery 20?s, 50? 100?s, 15mJ 100ms, 0.5? 100?s automatic recovery Shunt diode: input fuse required F03A type

Sink; disables all outputs Steady state Iin, 10ms

110

125

Conducted susceptibility

CE01, CE03, CE07 CE101, CE102 CE101 CS01, CS02, CS06 CS101, CS114, CS116 CS101, CS114, CS116

MIL-STD-461C — 1-up MIL-STD-461D — 1-up MIL-STD-461E — 2-up & 3-up MIL-STD-461C — 1-up MIL-STD-461D — 1-up MIL-STD-461E — 2-up & 3-up

Output Characteristics Setpoint accuracy Load/line regulation Output temperature drift Output noise – p-p Output voltage trimming (3) Remote sense compensation OVP setpoint Current limit Short circuit current (4) Isolation Characteristics Input to output Input to case 28Vdc input 270Vdc input Output to case Thermal Characteristics Efficiency Operating temperature, case Storage temperature Shutdown temperature Mechanical Specifications Weight 1- up 2- up 3- up Connector screw torque 81 +85 +100 +105 % ?C ?C ?C See product grade See product grade Cool and recycle power to restart 4,242 2,121 2,500 500 Vrms Vrms Vrms Vrms 1 min. 1 min. 1 min. 1 min. 50 0.5 115 105 20 0.5 0.2 0.05 0.01 1.0 100 1.0 0.5 0.2 0.02 1.5 150 110 135 125 130 % Vnom % Vnom % Vnom %/°C % Vnom mV % Vnom Vdc % Vnom % Inom % Inom

}

LL to HL, NL to 10% LL to HL, 10% to FL Whichever is greater 20MHz BW

125

Latching Auto restart

+90

+95

1.2 (544) 2.4 (1248) 3.6 (1633) 3.5 (0.4)

pounds (grams) pounds (grams) pounds (grams) inches-pounds (N-M)

(1) (2) (3) (4)

Per internal module configuration. Multiply minimum x 2 for 2-ups and x 3 for 3-ups. 10V, 12V, and 15V outputs, standard trim range ±10%. Consult factory for wider trim range. Output ranges of 5V or less incorporate foldback current limiting, outputs of 10V and above incorporate straight line current limiting.

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Long Term Safe Operating Area Curves*
28Vdc Input
VOLTS-PEAK VALUE OF SPIKE VOLTAGE 500 400 300 200 100 0 -100 -200 -300 -400 -500 -600 10-6 1?s 10-5 10?s 10-4 100?s 10-3 1ms TIME (SECONDS) 10-2 10ms 10-1 100ms 100 1s Reverse Polarity Protection
OVP

270Vdc Input
VOLTS-PEAK VALUE OF SPIKE VOLTAGE

600

Ratings Exceeded

Ratings Exceeded 800 600 400 200 0 200 400 600 Reverse Polarity Protection
OVP

50V

500V 400V

10-6 1?s

10-5 10?s

10-4 100?s

10-3 1ms TIME (SECONDS)

10-2 10ms

10-1 100ms

100 1s

* 1% duty cycle max., for short duration transient capability refer to specifications

Disable Circuit

20 mA Max.
+

Disable DIS+ DIS–

V

Disable Current
? 4mA DC minimum for 1-up ComPAC ? 8mA DC minimum for 2-up ComPAC ? 12mA DC minimum for 3-up ComPAC
The MI-ComPAC incorporates an optically isolated master disable input which will shut down the MI-ComPAC when a current is driven through the disable terminals.

Thermal Considerations
Thermal Impedance — Case-to-Air (°C/W)
Standard Units
1-up Free Air (Horiz.) 3.6 2-up 1.7 3-up 1.4

With Optional Heat Sink (1)
1-up 2.1 2-up 1.3 3-up 1.0

Forced Convection Through Heat Sink Fins
50 LFM 100 LFM 250 LFM 500 LFM 750 LFM 1000 LFM 2.7 2.3 1.6 1.2 0.9 0.8 1.4 1.3 1.0 0.7 0.5 0.4 1.3 1.1 0.8 0.6 0.5 0.4 1.5 1.2 0.7 0.4 0.3 0.2 1.1 0.9 0.5 0.3 0.2 0.2 0.9 0.7 0.4 0.3 0.2 0.2

? Thermal impedance, chassis-to-air, is provided for 1-up, 2-up and 3-up MI-ComPAC package configurations as a function of air flow. ? Case temperature = (total power dissipated x thermal impedance) + ambient temperature. ? Watts dissipated per output = (output power ÷ efficiency) – output power.
(1) To order optional heat sink add –H1 to part number

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Mechanical Drawing

Inputs
0.99 (25,15) 0.5 (12,57) 8.63 ±.025 (219,2±,64) STANDARD UNITS

Outputs
Measure case temperature on this surface.

0.41 (10,4) 1.12 (28,4)

1.37 (34,80) 0.5 (12,57) 9.25 ±.120 (235,0 ±3,05) OPTIONAL HEATSINK (H1)

1-Up
0.18 (4,6) 0.91 ( 23,1) 2.54 (64,5) 0.20 (5,1) 5 4 3 2 1 2.156 (54,76) 0.19 (4,8) 6.00 (152,4)

MI-LC
2.76 (70,1) 0 0.41 (10,41) 0.75 (19,05) 1.14 (28,96) 1.53 (38,86) 2.11 (53,59)

OUTPUT 1

A B C D E

0.20 (5,1)

?0.150 ± 0.005 THRU 4 PLACES (?3,81 ± 0,13)

12

0.25 TYP #8-32 STUD 2 PLACES

2-Up
0.18 (4,6) 0.19 2.281 (4,8) (57,94) 5 4.562 (115,87) 6.00 (152,4)

MI-MC
2.76 (70,1)

MI-PC

OUTPUT 2

A

A B C D E

4.96

3.04 3.58 (77,2) (90,9) 4

0 0.41 (10,41) 0.75 (19,05) 1.14 (28,96) 1.53 (38,86) 2.11 (53,59) 2.83 (71,88) 3.17 (80,52) 3.56 (90,42) 3.95 (100,33) 4.53 4. (115,06)

OUTPUT 1

3 0.20 (5,1) 2 1

B C D E

OUTPUT 1

(126,0)

A B C D E

?0.150 ± 0.005 THRU 5 PLACES (?3,81 ± 0,13)

12

#10-32 STUD 2 PLACES

0.25 TYP #8-32 STUD 4 PLACES

3-Up
0.18 (4,6) 6.00 (152,4)

MI-NC
2.76 (70,1)

MI-QC

MI-RC
#8-32 STUD 2 PLACES

0.19 2.288 (4,8) (58,12) 4.42 4.96 (112,3) (126,0) 7.380 (187,45) 4 3 2 0.20 (5,1) 1 7.00 5 (177,8) 2.420 (61,47)
12

OUTPUT 2

OUTPUT 3

A

A B C D E

A B C D E

0 0.41 (10,41) 0.75 (19,05) 1.14 (28,96) 1.53 (38,86) 2.11 (53,59) 2.83 (71,88) 3.17 (80,52) 3.56 (90,42) 3.95 (100,33) 4.53 (115,06) 5.25 (133,35) 5.59 (141,99) 5.98 (151,89) 6.37 (161,80) 6.95 (176,53)

OUTPUT 2

A

A B C D E

OUTPUT 1

OUTPUT 1

OUTPUT 1

A B C D E

B C D E

B C D E

?0.150 ± 0.005 THRU 6 PLACES (?3,81 ± 0,13)

#10-32 STUD 2 PLACES

#10-32 STUD 2 PLACES

0.25 TYP #8-32 STUD 6 PLACES

Inputs
1 – Ground 2 – Input 3 +Input 4 Disable – 5 Disable +

Outputs Output #1 A +Output B +Sense C Trim D –Sense E –Output Output #2 A +Output B +Sense C Trim D –Sense E –Output Output #3 A +Output B +Sense C Trim D –Sense E –Output

MI-ComPAC 11/02

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