Shhn000a3 series; dc-dc converter power modules, Datasheet, Emc requirements – GE Industrial Solutions SHHN000A3 HAMMERHEAD Series User Manual
Page 9
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