开关电源磁学基础

11H)(1x)(2xlHlF=Hl2ΦBScAcBA=ΦBcA3HBm=ormmm=omrmmHo/1047-⋅=pm6310~10=rm4)(tΦScA)(tvdttdntv)()(Φ=n256)(tH)(tin)()()(tniltHtFm==10504030206EMF=VMMF=F010504030206EMF=VMMF=F01ΦIcAB/Φ=cAIJ/=lFH/=lVE/=mgHBm=EJg=1CGSHBromm=HBrm=BHΦmeterHenrieso/1047-⋅=pmGT4101=OemA3104/1-⋅=pMxWb8101=2/11mWbT=BH1BHBHBHmsatBsatB-TeslaTeslaTeslaBsat5.0~25.01~5.02~1===—11HFlcAΦm2RFΦ=RF=ΦcAlRm=3ΦRFΦ=RKCL1KCLKCL1Φ2Φ3Φ321Φ+Φ=Φ1Φ2Φ3Φ1R2R3RKVL1KVLKVLΦcRΦ)(ti)(tvnmlglcAgRgcRRtniΦ+Φ=)()(tni1KCLKVL1(1):Φ)(ti)(tv1nBHsatB∫HdB(2):∫×=HdBlAfPmcsH)(------B-H1(1):)(tΦ)(ti(2):RdttdRvti/)(/)(Φ==RvP/2=----DC--1bmax)(BKlAPfemcfe=xfKKfeofe=b2.6~2.8-1(1))(tH)(timlncA)(tv)(1tv)(tΦ(2)mclAnL2m=(3)nHlIm/=satBsatB-BnlHImsatsat/=m/satsatBH=DCIΔIsatDCIII+Δ21(1)ivLR(2)RIPrms2=wbAlRr=rmsIR1(1))(ti)(tΦd(2)fopmrd=rom(3)°100cmf5.7=d------1(1)ΦΦ2Φ3dii-i2i2-i3(2)121)12(3PmmPPmjjdw+==∑=dfopmrd=1P(3)dmPPdcwd1,=(4)/)12(32,+=mdPPdcwdwdd