AGF600-48S30 DC-DC Converter
11/15
InputꢀRippleꢀ&ꢀInrushꢀCurrentꢀandꢀOutputꢀRippleꢀ&ꢀNoiseꢀTestꢀ
Configurationꢀ
Probe
CurrentꢀProbe
50mm
L1
Fuse
Vo+
Vin+
DC/DC
Vinꢁ
C1 C2
C3 C4
Cin
Load
Vdc
Voꢁ
ꢀ
Figureꢀ16ꢀ ꢀ Rippleꢀ&ꢀnoiseꢀtestꢀconfigurationꢀ
Vdc:ꢀDCꢀpowerꢀsupplyꢀ
L1:ꢀ12ꢂHꢀ ꢀ
Cin:ꢀ220ꢂF/100Vꢀtypical.ꢀ
C1ꢀ~ꢀC4:ꢀSeeꢀFigureꢀ11ꢀ
Note:ꢀUsingꢀaꢀcoaxialꢀcableꢀwithꢀseriesꢀ50ꢃꢀresistorꢀandꢀ0.68ꢂFꢀceramicꢀcapacitorꢀorꢀaꢀgroundꢀringꢀ
ofꢀprobeꢀtoꢀtestꢀoutputꢀrippleꢀ&ꢀnoiseꢀisꢀrecommended.ꢀ
EMCꢀFilterꢀConfigurationꢀ
U1
U2
Out+
In+
Vin+
Vo+
C1 C2
C3 C4
DC/DC
Load
L2
Cy3
L3
Cx
L1 Cy1
Vinꢁꢁ
Voꢁꢁ
Inꢁꢁ
Outꢁꢁ
Cy2
Cy4
PE
ꢀ
Figureꢀ17ꢀ ꢀ EMCꢀtestꢀconfigurationꢀ
CX:ꢀ5.7ꢂF/100Vꢀcapacitorꢀ
Cy1,ꢀCy2,ꢀCy3,ꢀCy4:ꢀ4700pF,ꢀYꢀcapacitorꢀ
L1,ꢀL2,ꢀL3:ꢀ100ꢂH,ꢀcommonꢀmodeꢀinductorꢀ
C1ꢀ~ꢀC4:ꢀSeeꢀFigureꢀ11ꢀ
U1:ꢀ20AꢀinputꢀEMCꢀfilterꢀmoduleꢀ(P/N:ꢀFM100ꢁ20)ꢀ
U2:ꢀConverterꢀunderꢀtest,ꢀAGF600ꢁ48S30Yꢀ
http://www.emersonnetworkpower.com.cnꢀ
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