MHF+ Single, Dual and Triple DC/DC Converters

Crane Aerospace & Electronics Power Solutions

Page 4 of 20

Rev K - 20060613

www.craneae.com

28 VOLT INPUT – 15 WATT

Positive Input

1

5

28V

Input Common

FMH-461

EMI FILTER

Positive Output

Output Common

3

Positive Input

9

8

Input Common

MHF+ TRIPLE

2

4

Case*

*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.

Chassis Ground

6

+5

Load

Positive Input

9

7

1

8

2

4

5

28V

Sync In

Inhibit

Input Common

+5 Output

Output Common

– Aux. Output

+ Aux.

Load

3

– Aux.

Load

+ Aux. Output

0.01

F

5.1k

9

1

8

200 pF

3.9 K

10 K

INHIBIT

MHF+ Triple

INPUT

COMMON

POSITIVE INPUT

10 k

1N4148

2N3501

CONNECTION DIAGRAMS

If the sync terminal ([pin 7) is not used, it must be left floating.

The ac coupling shown will prevent sync signal failure.