MI-JOO Series
1 0 - 5 0 W AT T S M I L I TA R Y C O T S D C / D C C O N V E R T E R
Features
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28Vdc and 270Vdc Inputs per MIL-STD-704D/E/F
155Vdc inputs per MIL-STD-1399A
MIL-STD-810 environments
Up to 23 W/in3
80-90% Efficiency
Remote sense and current limit
STANDARDS AND APPROVALS
Specifications
INPUT
Environment (MIL-STD-8100)
Input voltage
See input voltage chart
Typ 1.35W
Altitude – Method 500.2
Humidity – Method 507.2
70,000 feet
No load power
dissipation
86/240 (%/hours)
Acceleration – Method 513.3 9 g’s
OUTPUT
Set point accuracy
Load/Line regulation
Output temperature drift
Output noise
0.5% V nom typical
0.05% V nom typical
0.02%/°C
Vibration – Method 514.3
Shock – Method 516.3
Reliability (MIL-HDBK-217F)
25°C Ground benign
20g’s
40g’s
1%pp V nom
3,619,000 hours
Output voltage trimming
50% – 110%
50°C Naval sheltered
2,208,000 hours
1,701,000 hours
Remote sense compensation 0.5 V
65°C Airborne inhabited
cargo
Current limit
105% – 125%
Environmental compliance MIL-STD-810
Short circuit current
OPERATING
Isolation
105% – 130%
Derating
NAVMAT P-4855-1A
MECHANICAL
Weight
Input to Output 3,000Vrms
Output to Baseplate 500Vrms
Input to Baseplate 1,500Vrms
85 grams
Dimensions
59.7 x 61.0 x 12.7mm
Efficiency
80 – 90%
ENVIRONMENTAL
Selection Table
MI-J[A][B]-[C][D]
I Grade
M Grade
A = INPUT VOLTAGE
B = OUTPUT VOLTAGE
Storage temperature
-55°C to +125°C
-65°C to +125°C
-55°C to +100°C
96hrs 200 cycles
VNOM
RANGE TRANS.
Operating temperature
(baseplate)
-40°C to +100°C
2= 28V 18–50V (1)
5= 155V 100–210V
60V
Z=2V
Y= 3.3V R = 7.5V N = 18.5V J = 48V
0= 5V M = 10V 3 = 24V
T = 6.5V 2 = 15V K = 40V
Power cycling burn-in
12hrs 25 cycles
230V
Temperature cycled with
power off
48 hrs, 12 cycles
65°C to +100°C
48hrs, 12 cycles -
-65°C to +100°C
6= 270V 125–400V (2) 475V
7= 165V 100–310V
X= 5.2V 1 = 12V L = 28V
V= 5.8V P = 13.8V J = 36V
D = OUTPUT POWER/CURRENT
Test data supplied at these
temperature
-40°C to +80°C
-55°C to +80°C
C = PRODUCT GRADE
у5V
<5V
For Technical Illustration refer to page 230 in Module Section
I= -40°C to +100°C
M=-55°C to +100°C
A= 10W
Z=25W
Y=50W
5A
10A
Note :(1) 16V operation at 75% load (2) These units rated at 75% load from
125-150Vin: MI-26Z-XV, MI-26Y-XV, MI-260-XW.
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