输入电容的计算

ratedvalueVo=12.000VratedvalueIo=2.000AautovaluePo=24.000Wsurpposevalueefficiency(η)=75%autovaluePin=32.000WratedminvalueVin=90.000VautovalueVDC=90.000*1.2=108VautovalueIDC=0.296Aratedvalueinputf=50.000HzautovalueTcycle=0.020sbyinputfrequencyt=0.010ssurpposevalueΔV=40.000VvalueCbulk=IDC*t/ΔV=7.407E-05FIripple=1.8*IDC=0.533A左右.可適當減小一些.一般取30或40V輸入電容的計算Bulk-Capacitor左右.可適當減小一些.輸入電容的計算Bulk-Capacitor