MI-IAM Model Selection Chart
Model Number
MI-A22-MU
MI-A66-MU
MI-A22-IU
MI-A66-IU
Nominal Input Voltage
28Vdc
270Vdc
28Vdc
270Vdc
Input Range
18.8–50Vdc
125–400Vdc
18.8–50Vdc
125–400Vdc
Compatible MI-Series
MI-22x and MI-J2x-Mx
MI-26x and MI-J6x-Mx
MI-22x and MI-J2x-Ix
MI-26x and MI-J6x-Ix
Converter
M–grade
M–grade
I–grade
I–grade
Product Grade Specifications
PARAMETER
I - Grade
Storage temperature
Operating temperature (baseplate)
Power cycling burn-in
Temperature cycled with power off
17°C per minute rate of change
Test data supplied at these temperatures*
Warranty
Environmental compliance
Derating
-55°C to +125°C
-40°C to +100°C
12 hours, 25 cycles
12 cycles
-65°C to +100°C
-40°C, +80°C
2 years
MIL-STD-810
NAVMAT P - 4855-1A
PRODUCT GRADE
M - Grade
-65°C to +125°C
-55°C to +100°C
96 hours, 200 cycles
12 cycles
-65°C to +100°C
-55°C, +80°C
2 years
MIL-STD-810
NAVMAT P - 4855-1A
*Test data available for review or download from vicorpower.com
MI-IAM Safe Operating Area*
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
* Refer to input characteristics
Mechanical Drawing
2.28
(57,9)
0.49
(12,4)
0.65
(16,5)
1.30
(33,0)
Typical Connection Diagram
0.080 Dia (2) places
Solder plate
over copper alloy
+In
+In
+
–
0.30±.015
(7,6)±(0,38)
4700 pF
4
3
2.10
(53,4)
2
1
0.15
(3,8)
FULL R
0.15
(3,8)
9
8
MI-IAM
VI-IAM
7
6
5
1.40
1.00 (35,6)
0.70 (25,4)
0.40 (17,8)
(10,2)
0.35± 0.015
(8,9)±(0,38)
Pin #
1
2
3
4
5
6
7
8
9
Function
+In
+In
–In
–In
+Out
Gate In
Parallel
Gate Out
–Out
+Out
Gate In
Parallel
Gate Out
-Out
C1
+In
Gate In
MI-Converter
Gate Out
-In
+Out
+S
Trim
-S
-Out
-In
-In
MI-IAM
Input Voltage Range Capacitance (C1)
28Vdc (18.8-50V)
390µF (Max.)
270Vdc (125-400V)
27µF (Max.)
4700 pF
0.040 (1,0) Dia (7) places
Solder plate
over copper alloy
Product ID
this surface
2.40
(61,0)
0.30
(7,6) Min.
1.75
(44,4) Max.
1.90
(48,3)
0.22
(5,6) Min.
0.50
(12,7)
0.12
(3,0)
+0.030 (0,76)
-0.000 (0)
.01
Aluminum Base
MI-IAM 04/03
2 of 2
VICOR [ VICOR CORPORATION ]
