90+-CM6901-LLC应用

ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SChampionCleanTechnologyismorethanGreenChampionCleanTechnology=SLS+ZVSPFC=Everyone's90+ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SChampionCleanTechnologyismorethanGreenChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SNoiseFreeEveryone’s90+forLCDTVACAdapterConsumerElectronicsServerEnterprisePCSoftSwitchingPFC&SoftSwitchingPWM96%x96%=92.16%ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502S94+SinglePFC+StandByCM6802SA7596%x96%=92.16%96+SLS,SRC/LLC+SRCM6900/194%x96%=90.24%96+SLS,SRC/LLC+SRCM6900/196+InterleavedCRMPFCCM656594%x96%=90.24%96+SLS,SRC/LLC+SRCM6900/194+ZVS-LikeSinglePFCCM6502SChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502S96+InterleavedCRMPFCCM6565IdeaInventedbyTomLiandJeffreyH.Hwangaroundmid1996CCMQrrProblemDCMHastoomuchinputripplecurrentProblemHighSwitchingLossatturnon,itlimitstheefficiencyperformanceanditlimitsPFCswitchingfrequency.DCMorCRMEMIbecomeschallengeChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502S96+InterleavedCRMPFCCM6565IdeaInventedbyTomLiandJeffreyH.Hwangaroundmid1996NoQrrIssues,toDiodes,ItisDCM.NoHighRippleCurrentIssuestoEMIfilter,ItisCCM.CM6565doesnotneedSiliconCarbidediode!ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502S96+InterleavedCRMPFCCM6565SimplifiedBlockDiagramLikeTwo6561With180degreePhaseShiftGainModulatorforUniversalInput&ConstantPowerOneHighVoltageresistor,RacresistortoprovideIac,Vrms1andVrms2PGB:AI/OwithphotocoupletoControlCM6900/1ISENSEslavecouldbedisabledChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM6565Rslave=RmasterChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM6565Rslave=RmasterTurnRatiogoesup,EfficiencycangoupandTHDgoesupaswellISENSEMASTERShortwith~140uSTimerProtectionChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM6565ToDisableLatchFunctionChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM65651.90+,SLSSRC/LLCSystemsinewaveoutputcannotberecognizedbythesecondaryhousekeepingIC.APhotoCouplewithI/OofCM6565cansendthe380VreadysignaltointerfacetheregularhousekeepingIC.2.AtLightLoad,PFCdropsonephase,slavephaseandPFCboostoutput380Vwilldropto342V.Itbooststhelightloadefficiencyfurther.ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM65651.90+,SLS,SRC/LLCsinewaveoutputcannotberecognizedbythesecondaryhousekeepingIC.APhotoCouplewithI/OofCM6565cansendthe380VreadysignaltointerfacetheregularhousekeepingIC.2.AtLightLoad,PFCdropsonephase,slavephaseandPFCboostoutput380Vwilldropto342V.Itbooststhelightloadefficiencyfurther.ChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SToDesign96+InterleavedCRMPFCCM6565ToProhibitLightLoadFunction,whichwillrunonlyonephase,masterphaseonlyandlet380Vdropsto342V,istoadda4Vor5Vzenerdiodetodisablethefunction.ToDisableLightLoadFunctionsChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SForCM6565,Vrms1doesnotneedtotakehighvoltageinputsignals.IttakescurrentmirrorsignalfromIAC(pin1).ForVin=80Vac,Vrms1(pin4)~2.50VWith600mVp-p,peaktopeakripple,itonat89.6Vac,andoffat73.6VacWith700mVp-p,peaktopeakripple,itonat85.0Vac,andoffat75.38Vac2.50VVrms13.00V2.00VVin=80.19Vac2.65VVin=85.00Vac2.35VVin=75.38VacThe1stStep:SetVrms1=2.50V@Vin=80VacVrms1(pin4)ACBrownOutChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SVrm1,Vrms2andIACNoLoadConsumptionimproved!Pole1at43HzorlowerPole2at10HzChampionMicroelectronic94+SinglePFC+StandByCM6802SA75JeffreyHwang96+SLS,SRC/LLC+SRCM6901/1A96+InterleavedCRMPFCCM656594+ZVS-LikeSinglePFCCM6502SRpfcfb~3MegaohmLowLineHighLine[V][Sec]WhenPFCisoff0To