L6562D变压器设计软件

L6562 Transformer Calculate Tools 1.Design Specifications Vinmin= Fl= Vo= Io= Vaux= Δvop-p= 2.Pre-design Choices Fsmin= Vor= η=

85 50 40 0.43 16 1

VAC Hz VDC A V V

Vinmax=

265 VAC

50 KHz 100 V 85 %

3.Preliminary Caculations Vpkmin=Vinmin×1.414= 120.19 Vpkmax=Vinmax×1.414= 374.71 Po=Vo×Io= 17.2 20.23529 Pin=Po/η= Kv=Vpkmin/Vor= 1.2019 F1(Kv)=(0.637+0.0046×Kv)/(1+0.729×Kv)= F2(Kv)=(0.5+0.0014×Kv)/(1+0.815×Kv)= F3(Kv)=(0.424+0.00057×Kv)/(1+0.862×Kv)= F5(Kv)=(0.5+0.0014×Kv)/(1+0.815×Kv)= 4.Operating Conditions Ipkp=2Pin/(Vpkmin×F2(Kv))= Irmsp=Ipkp×sqrt(F2(Kv)/3) Ipks=2Io/(Kv×F2(Kv))= Irmss=Ipks×sqrt(Kv×F3(Kv)/3) 5.Transformer Lp=Vpkmin/((1+Kv)×Fsmin×Ipkp)= n=Vor/(Vo+Vf)= (a.)Choose Transformer Core Ae= 120 ΔB= 0.24 (b.)Transformer Caculations Np=Lp×Ipkp/(Ae×ΔB)= Ns=Npreal/n= Naux=(Vaux+0.6)×Nsreal/(Vo+0.6)= Lg=0.4×π×Npreal2×Ae/Lpreal= Diameter Premary Secondary Aux 0.313667636 0.456006274 0.2

V V W W 0.3424655 0.2534329 0.2085841 0.5

1.328643 0.38617 2.823366 0.816171

A A A A

821.6607 uH 2.463054 mm2 Gs 37.90603 15.022 13.90148 0.251629 Turns 37 34 13 T T T mm

Lpreal=

820 uH

Npreal= Nsreal= Nauxreal=

37 T 34 T 13 T

L6562 Transformer Calculate Tools

1.Design Specifications

Vinmin=Fl=Vo=Io=Vaux=Δvop-p=2.Pre-design Choices

Fsmin=Vor=η=

8550400.43161VACHzVDCAVV

Vinmax=265VAC

50KHz100V85%

3.Preliminary Caculations

Vpkmin=Vinmin×1.414=120.19Vpkmax=Vinmax×1.414=374.71Po=Vo×Io=17.2Pin=Po/η=20.23529Kv=Vpkmin/Vor=1.2019F1(Kv)=(0.637+0.0046×Kv)/(1+0.729×Kv)=F2(Kv)=(0.5+0.0014×Kv)/(1+0.815×Kv)=F3(Kv)=(0.424+0.00057×Kv)/(1+0.862×Kv)=F5(Kv)=(0.5+0.0014×Kv)/(1+0.815×Kv)=4.Operating Conditions

Ipkp=2Pin/(Vpkmin×F2(Kv))=Irmsp=Ipkp×sqrt(F2(Kv)/3)Ipks=2Io/(Kv×F2(Kv))=

Irmss=Ipks×sqrt(Kv×F3(Kv)/3)

5.Transformer

Lp=Vpkmin/((1+Kv)×Fsmin×Ipkp)=n=Vor/(Vo+Vf)=

(a.)Choose Transformer CoreAe=120ΔB=0.24(b.)Transformer CaculationsNp=Lp×Ipkp/(Ae×ΔB)=Ns=Npreal/n=

Naux=(Vaux+0.6)×Nsreal/(Vo+0.6)=Lg=0.4×π×Npreal2×Ae/Lpreal=

VVWW

0.34246550.25343290.2085841

0.5

1.3286430.386172.8233660.816171AAAA

821.6607uH2.463054mm2Gs37.9060315.02213.901480.251629TTTmm

Lpreal=820uH

Npreal=Nsreal=Nauxreal=37T34T13T