1.输入交流电压设定Input min85Input max264102369.62.输出电压,电流设定Out voltage5Out current1Diode voltage0.1Po5.1∩0.8Pi6.3753.反馈电压设定FB voltage5FB current0.14.磁芯确定Ae19.2^B0.303Fs70JKu2000.2VacVacVdcVdcVdcAVdcWWVdcATKHzA/cm2AAP= AW*Ae=(Pt*10)/(2ΔB*fs*J*mm4AP=(Po÷∩+Po)÷（2×^B×Fs×J×KAP0.06762735.D值,频率设定D0.45Ts14.2857143Ton6.42857143Toff7.85714286sss6.临界电流点IoB0.6AIob=0.6×Iout7.原边与副边匝比计算N13.91N=Vinmindc÷(Vo+Vf)×(D÷(1-D)8.副边峰值电流^IsB2.18A^IsB=2×IoB÷(1-D)9.副边电感量Ls21.607142921.6uHLs=(Vo+Vf)×(1-D)×(1÷(Fs*1000)÷10.原边电感量Lp4180.178574180uHLp=N×N×Ls11.计算连续模式时的副边峰值电流^Isp2.90909091A12.计算连续模式时的原边峰值电流^Ipp0.20915033A13.匝数计算Np150.282885150TsNs10.804651911TsNf12.711355213Ts14.计算磁芯的空气间隙lg0.1302912mm15.原边线径Iprms0.063Adwp0.141mm双线并绕0.079mm16.次边线径dws0.586mm双线并绕0.301mm17.电流趋肤浓度计算^I0.289dwH0.520mm元器件计算
1.FUSEIimaxFUSECin0.075A0.3330345A36.13691429D:\\Personal\\calm\\桌面\\反激式开关电源设计全过程.pdf*fs*J*Ku) s×J×Ku)*101-D)1000)÷IsB)
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