Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 15 WATT
CONNECTION DIAGRAMS
MHF+ Triple
POSITIVE INPUT
9
10 k
INHIBIT
1
1N4148
2N3501
200 pF
10 K
3.9 K
8
INPUT
COMMON
F
IGURE
5: I
NHIBIT
I
NTERFACE
9
0.01
28V
5.1k
1
8
F
7
Positive Input
Sync In
Inhibit
Input Common
+5 Output 2
+ Aux. Output 4
Output Common 3
– Aux. Output 5
– Aux.
Load
+ Aux.
Load
+5
Load
If the sync terminal ([pin 7) is not used, it must be left floating.
The ac coupling shown will prevent sync signal failure.
F
IGURE
6: AC C
OUPLING OF
S
YNC
S
IGNAL
1
Positive Input
Positive Output
2
9
Positive Input
28V
FMH-461
EMI FILTER
5
Input Common
Output Common 4
3
Case*
8
MHF+ TRIPLE
Input Common
6
Chassis Ground
*The case ground connection should be as low an impedance as possible to minimize EMI.
Direct contact of baseplate to chassis ground provides the lowest impedance.
F
IGURE
7: EMI F
ILTER
C
ONNECTION
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Rev K - 20060613
CRANE [ Crane Aerospace & Electronics. ]
