对称驱动推挽-Boost-变换器的功率器件设计公式

Boost1Boost1BoostVgVoRLCD2RLRCD1pNsNspNNN/=sNpNS1S22Boost--maxmin~gggVVV=--maxmin~oooIII=--oV--oVΔ--1h2h--sf--maxD1~5.0,(5.0minD)3--S1S2)1(2maxmaxmax)(1DNIIopeaks-=)1(4maxmaxmax)(1DNIIoaves-=)1(423maxmaxmaxmax)(1DNIDIormss--=)1(2maxmaxmax)(2DNIIopeaks-=)1(4maxmaxmax)(2DNIIoaves-=)1(423maxmaxmaxmax)(2DNIDIormss--=opeakdsNVV2max)(1=opeakdsNVV2max)(2=)]1(2[max1minDVVNog-××=h--D1D2)1(2maxmaxmax)(1DIIopeakd-=2maxmax)(1oavedII=)1(2maxmaxmax)(1DIIormsd-=)1(2maxmaxmax)(2DIIopeakd-=2maxmax)(2oavedII=)1(2maxmaxmax)(2DIIormsd-=opeakdVV2max)(1=opeakdVV2max)(2=