Datasheet

DataSheet
30W, Single Output
VER:00 Page 50 of 61 Issued Date：2009/03/02
EMC Considerations (Continued)
Suggested Schematic for EN55022 Conducted Emission Class B Limits
Recommended Layoutwith Input Filter
To meet conducted emissions EN55022 CLASSB needed the following components:
PXE30-12Sxx
Component Value Voltage Reference
C1, C3 4.7μF 50V 1812 MLCC
C5, C6 1000pF 2KV 1808 MLCC
L1 450μH ---- Common Choke
PXE30-24Sxx
Component Value Voltage Reference
C1, C3 6.8μF 50V 1812 MLCC
C5, C6 1000pF 2KV 1808 MLCC
L1 450μH ---- Common Choke
PXE30-48Sxx
Component Value Voltage Reference
C1, C2 2.2μF 100V 1812 MLCC
C3, C4 2.2μF 100V 1812 MLCC
C5, C6 1000pF 2KV 1808 MLCC
L1 450μH ---- Common Choke