经验谈：写给新手的反激变压器KRP详解

KRPDCMCCMBCM()KRP()KRPKRPCCMCCM()CCM()CCMBCMDCMKRPKRP(DCM)(NP)(LP)LP()KRP(CCM)(NP)()LP()KRPKRPDMAXDCMCCM(,DMAX)DCM()DCMNPNPLP(DCMLP)()?AE(PQPOT)AE(EEREEL)(DCMDMAXCCM)KRPDMAX(/DMAX)KRP(AC3.3V10A)KRP(AC100V0.5A)(12V5A)KRPDMAX(AC)(12V)KRPLP()()KRP()KRP()KRPCSKRPCSCS(ACKRPDMAXVCC)CS(/)CSKRP(QR)KRP(CCM)KRP()1CCM2(12/24V)CCM(KRP0.40)CCM3(400VDC)DCM(QR)QR4DCM(QR)QR5CCMKRPCCM6DCM(QR)7CCMKRP8DMAX()9KRP0.66KRPBdcKRP0.40CS1010BCMLP=1KRP=1.00LP=1KRP=0.66LP=2KRP=0.50LP=3KRP=0.40LP=4KRP=0.33LP=5KRPBdcLg(KRPDMAXLP)KRP()()KRPPWMMOS()NPNS()KRPKRFrBCMLP=1(NPDMAXNP)1KRP1.000.66KRP0.660.332KRP1.000.33LP(I=V*TON/LP)3KRP1.000.66KRP0.660.334KRP1.000.33BDCNPBDCBACBDCBAC()(BAC)VTon(n)+Np+AeB(BDC)Idc+Np+Le(lg)HdcBr5KRP1.000.33BDCLPNPBAC6KRP1.000.33LPLP(DMAX)(DMAX)KRP(LP)7V*TONI2*LPDMAX(TON)LP(KRP)8NPLP9KRP()10KRPPIKRFrKRPON/OFF(RCC)SG3524/3525TOP22X/23X/24XTL494UC3842/3/4/5NCP1200NCP1337ON/OFFTNYRCCPIPI2004PIPFCLLC