Data Sheet

WPMDH1100xx1S / 173010x42
MagI
3
C Power Module
FDSM – Fixed Step Down Regulator Module
we-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
© June 2016 18/24
APPLICATION CONSIDERATIONS
Input filter suggestion for conducted EMI
The input filter shown in the schematic below is recommended to achieve conducted EMI compliance according to EN55022
Class B (see results on pages 21 and 22).
VIN VOUT
GND
1 3
2
Supply
Load
V
IN
V
OUT
L
f
C
f1b
C
f2
Optional input Pi-Filter
C
f1a
Bill of Material of the Pi-Filter
Designator
Description
Quantity
Order Code
Manufacturer
C
f1a
Filter ceramic chip capacitor 10µF/50V 1206 X5R
1
C
f1b
Filter ceramic chip capacitor 10µF/50V 1206 X5R
1
C
f2
Filter ceramic chip capacitor 10µF/50V 1206 X5R
1
L
f
Filter inductor, 22µH, PD2 family
1
744774122
Würth Elektronik