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
Input
Common
PWM
Controller
IC
FET
Driver
Limit
ID
Ref.
FIGURE 2: MHF+ SINGLE OUTPUT BLOCK DIAGRAM
Output
Common
POSITIVE
INPUT
INPUT
COMMON
SYNC
0°
PWM CM
CONTROLLER
PWM CM
CONTROLLER
FEEDBACK ISOLATOR
FEEDBACK ISOLATOR
+5 OUTPUT
OUTPUT
COMMON
+ AUX.
OUTPUT
180°
–AUX.
OUTPUT
FIGURE 1: MHF+ TRIPLE OUTPUT BLOCK DIAGRAM
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Rev K - 20060613