177920524 Datasheet, PDF (17/21 Pages) Wurth Elektronik GmbH & Co. KG, Germany. – No minimum load required

WPMIx9200501S / 1779205x4
MagI³C Power Module
FISM – Fixed Isolated SIP Module
APPLICATION CONSIDERATIONS
Filter Suggestion for Conducted and Radiated EMI
The input filter shown in the schematic below is recommended to achieve conducted and radiated EMI compliance
according to EN55022 Class B (see results on pages 9 to 11).
C4
+VIN
-VIN
L1
C1 C2
1 _+VIN
C3
2 _-VIN
+VOUT ⁷
DC
DC
-VOUT ⁵
+VOUT
-VOUT
Component Values for Class B filters for the EN55022: C3 is an optional MLCC cap to build up a PI - Filter
Input Voltage 5V:
DESIGNATOR
DESCRIPTION
C1
Filter ceramic chip capacitor 10µF/25V 1210 X7R
L1
Filter inductor, 4.7µH, PD2 family
C4
Filter ceramic chip capacitor 470pF/250Vac/5000V
Impulse Voltage 1812 X7R
ORDER CODE MANUFACTURER
885012209028 Würth Elektronik
744773047
Würth Elektronik
885352211001 Würth Elektronik
Input Voltage 12V:
DESIGNATOR
DESCRIPTION
C1
Filter ceramic chip capacitor 4.7µF/50V 1210 X7R
L1
Filter inductor, 22µH, PD2 family
C4
Filter ceramic chip capacitor 470pF/250Vac/5000V
Impulse Voltage 1812 X7R
ORDER CODE MANUFACTURER
885012209048 Würth Elektronik
744773122
Würth Elektronik
885352211001 Würth Elektronik
Input Voltage 24V:
DESIGNATOR
DESCRIPTION
C1
Filter ceramic chip capacitor 2.2µF/50V 1812 X7R
L1
Filter inductor, 47µH, PD2 family
C4
Filter ceramic chip capacitor 470pF/250Vac/5000V
Impulse Voltage 1812 X7R
ORDER CODE
885012210032
744773147
MANUFACTURER
Würth Elektronik
Würth Elektronik
885352211001 Würth Elektronik
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©July 2016
Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
17/21