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/in
3
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
1 of 4
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
%, I
in
MIN
TYP
MAX
UNITS
NOTES
Automatic recovery
20µs, 50Ω per MIL-STD-704A
100µs, 15mJ per MIL-STD-1275A
60mS, 0.5Ω 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
20µs, 50Ω
100µs, 15mJ
100ms, 0.5Ω
100µs automatic recovery
Shunt diode: input fuse required
F03A type
Sink; disables all outputs
Steady state I
in
, 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.
MI-ComPAC 11/02
2 of 4
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
1µs
10-5
10µs
10-4
100µs
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
1µs
10-5
10µs
10-4
100µs
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
MI-ComPAC 11/02
3 of 4
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
0.19
2.156 (4,8)
(54,76)
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)
ø0.150
±
0.005 THRU 4 PLACES
(ø3,81
±
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
ø0.150
±
0.005 THRU 5 PLACES
(ø3,81
±
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
ø0.150
±
0.005 THRU 6 PLACES
(ø3,81
±
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
4 of 4
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