ItemVo1Io1Po1Vo2Io2Po2Vo3Io3Po3Vo4Io4Po4
Power OutputEstimated EfficiencyInput power
Transformer(变压器）Low line Input voltage Low line Vin valleySwitching frequencyDuty maxDead time
Diode drop out voltageTurn ratioDelta I maximiumMax Inductance Effective area of core
Effective magnetics path lenghtFerrite relative peameabilityGap length（气隙）Np suggested（理论值）Ns SuggestedActual Np(实际值）Actual Ns
Actual turn ratio（匝比）Calculated inductanceBmax
Input capacitor（输入电容）Rated input voltageRated line Vin peakMax missing cycles allowedInput line frequencyMin operating voltageSuggested Capacitor
Vo1 Output capacitor（输出电容）Rectifier conduct timeIo1peak
Rectifier current = Io1 timeRipple current at Vo1FET（开关管）
Unit
VoVdcIoAPo1
WVdcAWVdcAWVdcAW
PoWEff-Pin
W
VinLVacVLdcVdcfMHzDmax-TduSVdVnNp/NsIpeakALuHAemm2
lemmur-lg
mm--Np-Ns-Nact-LouHBmaxT
VinRVacVrpeakVdccycle-finHzVopVdcCap
uF
ToffusecIo1pkATausecIripple1
Arms
Normal load
5.000.6003.000.000.000.000.000.000.000.000.000.003.000.684.41290.0090.000.05000.5000.520.7016.65560.1964590.0018.8039.902400.000.255229.7213.792402410.00005009.810.218
180254.520.0050.00180.002.0438
9.482.5327.230.808
FET Derating factorVoltage spec of FETHigh line Input voltage High line Vin peakFET drain voltageAllowed FET spikeOutput rectifierRectifier Derating factorVoltage spec of RectifierOutput rectifier peak voltageAllowed rectifier spike
DfVdsVVinHVacVHpeakVdcVdrainVVspikeV
DrVrVVrectVVdspike
V0.85700.00264.00373.30468.23126.770.8560.0042.338.67
calculation
Formula
1.2*Iout=Vo*Io
=Vo2*Io2
=Vo3*Io3
=Vo4*Io4
=Po1+Po2+Po3+Po4=Po/Eff
=VinL*1
0.5~0.80.6~0.7~0.8
=VLdc*Dmax/((Vo+Vd)*(1-Dmax-Td*f))=2*Pin/(VLdc*Dmax)=VLdc*Dmax/(f*Ipeak)
EE1614S
=SQRT(L*(lg+le/ur)/(4*3.1416*0.0001*Ae))=Npsuggested/n
=Np/Ns
=Ae*4*3.1416*Np*Np*0.0001/(lg+le/ur)=Lo*Ipeak/(Np*Ae)VinR=VinR*1.414
=2*Pin*(0.25+cycle+asin(Vop/Vrpeak)/6.2832)/fin/(Vrpeak^2-Vop^2)=(1-Dmax)/f-T=2*Io/f/Toff
=(Io1pk-Io1)/Io1pk*Toff
=sqrt(((Io1pk-Io)^2*Ta/3+Io1pk^2*(Toff-Ta)/3+Io^2*(1/f-Toff))*f)
<0.85VinH=VinH*1.414=VHpeak+n*(Vo+Vd)=Vds*Df-Vdrain
=Vo+VHpeak/n=Vr*Dr-Vdiode
因篇幅问题不能全部显示，请点此查看更多更全内容