Crane aerospace & electronics Power solutions
MHF+ Single, dual and triple dC/dC Converters
28 VOlT inPuT – 15 WATT
SImPLIFIED SChEmATIC DIAgRAmS
Positive
Input
5
µH
2
µF
Positive
Output
Inhibit
PWM
Controller
I
C
FET
Driver
Limit
I
D
Ref.
Input
Common
Output
Common
F
igure
1: MHF+ S
ingle
O
utput
B
lOCk
D
iagraM
Positive
Input
0°
FEEDBACK ISOLATOR
+5 Output
PWM CM
CONTROLLER
Input
Common
Synv
Output
Common
FEEDBACK ISOLATOR
+ Aux.
Output
PWM CM
CONTROLLER
180°
–Aux.
Output
F
igure
2: MHF+ t
riple
O
utput
B
lOCk
D
iagraM
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MHF+ rev l - 20091113