反激式开关电源变压器设计

D85V265V5V2A100KHZVORI=Vs*ton/L=VOR*toff/LVS*TON/L=VOR*TOFF/LOOFD=VOR/VOR+VS80VVS90VD=80/*80+90=0.47=/*VSKRPKRP01KRP*1*KRP*D+*1-KRP*D=/1-0.5KRP*D10W0.8.10/0.8*90=0.138AKRP0.6=0.138/1-0.5KRP.D=0.138/1-0.5*0.6*0.47=0.419A.KRPD=*D*KRP/3-KRP+1=0.419*0.47*0.36/3-0.6+1=0.20A.100KHZ100.47.TON4.7BNP=VS*TON/SJ*BB0.10.2=/TNP=90*4.7/32*0.15880.150.250.250.0490.24.084105V5.6V80V5.6V=NS*UO+UF/VORUF88*5.6/806.1661-DDKRPTOP5.79V76VI=VS*TON/L.I*KRPL=VS.TON/*KRPBMAX=L*IP/SJ*NP.LL=/.BMAX0.3TDVORKRPBD=VOR/VOR+VS1IAVE=P/*VS2IP=IAVE/1-0.5KRP*D3I=*D*KRP/3-KRP+14NP=VS*TON/SJ*B5NS=NP*VO+VF/VOR6L=VS.TON/IP.KRP7BMAX=L*IP/SJ.NP8