SMD EFD15 flyback transformer
时间：10-02
整理：3721RD
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怎样算出圈数，线径?
Vout = 5.0 V/3.0 A
Vaux = 20 V/10 mA
Lp = 3.8 mH
Ip,rms = 280 mA
Ip, max = 800 mA
Isec, rms = 5.0 A
Fsw = 65 kHz
Np:Nsec = 1 : 0.052
Np:Naux = 1 : 0.208
with the NCP1027-D controller
Vout = 5.0 V/3.0 A
Vaux = 20 V/10 mA
Lp = 3.8 mH
Ip,rms = 280 mA
Ip, max = 800 mA
Isec, rms = 5.0 A
Fsw = 65 kHz
Np:Nsec = 1 : 0.052
Np:Naux = 1 : 0.208
with the NCP1027-D controller