Crane Aerospace & Electronics Power Solutions
MOR Single and Dual DC/DC Converters
28 VOlt input – 120 Watt
Block Diagram
Positive
Input
1.7 µH
0.5 µH
100
Ω
6 µF
100
Ω
0.015 µF
500 V
FET
Driver
+
_
Secondary VCC
Positive
Output
Positive
Sense
Sense
Return
Output
Common
Share
6 µF
0.1 Ω
Input
Common
0.015 µF
500 V
Bias
Supply
Inhibit 1
Share
Function
VS+
VIn
UVLO
PWM
Controller
+
_
VRef
Trim
Sync In
Sync Out
Secondary VCC
Sync
In / Out
Inhibit 2
F
igure
12: mor S
ingle
o
utPut
b
loCk
d
iagram
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Page 5 of 24
MOR Rev K - 20100422