Crane aerospace & electronics Power solutions
MHF+ Single, dual and triple dC/dC Converters
28 VOlT inPuT – 15 WATT
CONNECTION DIAgRAmS
MHF+
POSITIVE INPUT
9
10 k
INHIBIT
200 pF
1
1N4148
2N3501
10 K
3.9 K
8
INPUT
COMMON
F
igure
3: i
nHiBit
i
nterFaCe
9
0.01
28V
5.1k
F
7
1
8
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
4: aC C
Oupling
OF
S
ynC
S
ignal
, t
riple
M
ODelS
1
Positive Input
Positive Output
2
Positive Input
28V
FMH-461
EMI FILTER
5
Input Common
Output Common 4
Case Ground
3
Case*
MHF+
Input Common
Case Ground
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
5: eMi F
ilter
C
OnneCtiOn
www.interpoint.com
Page 5 of 23
MHF+ rev l - 20091113
INTERPOINT [ INTERPOINT CORPORATION COMPANY ]
