WPMDH1100601 / 171010601
MagI3C Power Module
VDRM – Variable Step Down Regulator Module
Filter suggestion for conducted EMI
The input filter shown in the schematic below is recommended to achieve conducted compliance according to EN55022
Class B (see results on page 8).
For radiated EMI the input filter is not necessary. It is only used to comply with the setup recommended in the norms.
Lf
VIN
VIN
+
Power Module
Cf
C2
C1
C3
GND
GND
Input LC Filter
Bill of Material of the Input LC Filter
Designator Description
Order Code
Manufacturer
Cf
Filter ceramic chip capacitor 1µF/50V, X7R, 1210
Filter inductor, 10µH, TI family
885012209047 Würth Elektronik
7447462100
74477410
Würth Elektronik
Würth Elektronik
Lf
Filter inductor, 10µH, PD2 family
(pads located on the bottom layer of the Evaluation Board)
we-online.com
Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
© September 2017
47/54
WURTH [ WURTH ELEKTRONIK GMBH & CO. KG, GERMANY. ]
