Shhn000a3 series; dc-dc converter power modules, Datasheet, Emc requirements – GE Industrial Solutions SHHN000A3 HAMMERHEAD Series User Manual

Page 9

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GE

Datasheet

SHHN000A3 Series; DC-DC Converter Power Modules

9Vdc – 36Vdc input; +15V, -15V Dual Output, 0.3A 9W Output

December 6, 2013

©2013 General Electric Corporation.

All rights reserved.

Page 9

OU

TP

UT

CURR

ENT, I

O

(A

)

AMBIENT TEMEPERATURE, T

A

(

o

C)

Figure 15. Output Current Derating for the Module with
Heatplate; Airflow in the Transverse Direction from V

out

(-) to

V

out

(+);V

IN

=24V, V

O

=+15V, -15V

EMC Requirements

The design of the module shall include an external filter
configuration to meet the conducted emission limits of
EN55022 Class B. However, an onboard inductor shall be
provided in the module to meet Class B with modest external
filtering

Ref Des

Filter

C1 , C2, C3

2.2uF/100V

C4, C5

33nF Y Cap

L1

4mH CM choke

L2

10uH inductor

Figure 16. Suggested Configuration for EN55022 Class B.

Figure 17. SHHN000A3 Vin+ Line EMC signature using above
filter, Vin=24V, Blue=PK, Red=Avg.

Figure 18. SHHN000A3 Vin Neutral EMC signature using
above filter, Vin=24V, Blue=PK, Red=Avg.






0.0

0.1

0.2

0.3

0.4

20

30

40

50

60

70

80

90

NC

SHHN Series

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