Version 4
SHEET 1 1080 856
WIRE 304 -304 192 -304
WIRE 384 -304 384 -336
WIRE 384 -304 304 -304
WIRE 448 -304 384 -304
WIRE 528 -304 448 -304
WIRE 592 -304 528 -304
WIRE 688 -304 592 -304
WIRE 736 -304 688 -304
WIRE 192 -288 192 -304
WIRE 304 -288 304 -304
WIRE 592 -256 592 -304
WIRE -720 -208 -832 -208
WIRE -448 -208 -528 -208
WIRE -352 -208 -368 -208
WIRE -240 -208 -272 -208
WIRE -96 -208 -240 -208
WIRE 304 -208 304 -224
WIRE 304 -208 0 -208
WIRE 688 -208 688 -304
WIRE -96 -128 -240 -128
WIRE 192 -128 192 -224
WIRE 192 -128 0 -128
WIRE 448 -128 448 -304
WIRE 528 -128 528 -304
WIRE 592 -128 592 -176
WIRE -240 -64 -240 -128
WIRE 192 -16 192 -128
WIRE 304 -16 304 -208
WIRE -496 32 -496 -16
WIRE -240 80 -240 0
WIRE 192 80 192 48
WIRE 192 80 -240 80
WIRE 304 80 304 48
WIRE 304 80 192 80
WIRE 448 80 448 -64
WIRE 448 80 304 80
WIRE 528 80 528 -64
WIRE 528 80 448 80
WIRE 592 80 592 -64
WIRE 592 80 528 80
WIRE 688 80 688 -128
WIRE 688 80 592 80
WIRE 576 192 576 176
WIRE -464 208 -464 160
WIRE -16 208 -16 176
WIRE 128 208 128 176
WIRE 272 208 272 176
WIRE 416 208 416 160
WIRE -176 224 -176 192
WIRE -464 336 -464 288
WIRE -176 336 -176 304
WIRE -176 336 -464 336
WIRE -16 336 -16 288
WIRE -16 336 -176 336
WIRE 128 336 128 288
WIRE 128 336 -16 336
WIRE 272 336 272 288
WIRE 272 336 128 336
WIRE 416 336 416 288
WIRE 416 336 272 336
WIRE 576 336 576 272
WIRE 576 336 416 336
WIRE -16 352 -16 336
FLAG -240 80 0
FLAG 736 -304 Vout1
FLAG 384 -336 int
FLAG -832 -208 FB
IOPIN -832 -208 In
FLAG -496 112 0
FLAG -496 -16 FB
IOPIN -496 -16 Out
FLAG -16 352 0
FLAG -16 176 Fm
FLAG 128 176 Fs
FLAG 272 176 Z0
FLAG 576 176 Q
FLAG -176 192 Rload
FLAG -464 160 M
FLAG 416 160 Ls
SYMBOL POWERVCO -640 -192 R0
WINDOW 3 -57 -45 Left 0
WINDOW 39 -94 -88 Left 0
SYMATTR SpiceLine Fmin=50k Fmax=250k Vout=350
SYMATTR InstName U1
SYMBOL XFMR1 -48 -176 R0
SYMATTR InstName U2
SYMATTR SpiceLine RATIO=1/N
SYMBOL res 576 -272 R0
SYMATTR InstName R1
SYMATTR Value 10m
SYMBOL cap 576 -128 R0
SYMATTR InstName C1
SYMATTR Value 240µ
SYMATTR Value2 IC=19
SYMBOL res 672 -224 R0
SYMATTR InstName Rload
SYMATTR Value {Rload}
SYMBOL diode 208 -224 R180
WINDOW 0 55 42 Left 0
WINDOW 3 34 7 Left 0
SYMATTR InstName D1
SYMATTR Value MBR20100
SYMBOL diode 208 48 R180
WINDOW 0 24 72 Left 0
WINDOW 3 42 44 Left 0
SYMATTR InstName D2
SYMATTR Value MBR20100
SYMBOL diode 320 -224 R180
WINDOW 0 -31 16 Left 0
WINDOW 3 -105 -10 Left 0
SYMATTR InstName D3
SYMATTR Value MBR20100
SYMBOL diode 320 48 R180
WINDOW 0 24 72 Left 0
WINDOW 3 -119 54 Left 0
SYMATTR InstName D4
SYMATTR Value MBR20100
SYMBOL ind -256 -224 R0
SYMATTR InstName Lmag
SYMATTR Value {Lmag}
SYMBOL ind -464 -192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName Ls
SYMATTR Value {Ls}
SYMBOL res -256 -224 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 100m
SYMBOL cap -256 -64 R0
SYMATTR InstName Cs
SYMATTR Value {Cs}
SYMBOL voltage -496 16 R0
WINDOW 0 33 16 Left 0
WINDOW 3 37 41 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 572m
SYMBOL voltage -176 208 R0
WINDOW 0 33 16 Left 0
WINDOW 3 37 41 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value {Rload}
SYMBOL voltage -16 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value {Fm}
SYMBOL voltage 128 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value {Fs}
SYMBOL voltage 272 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value {Z0}
SYMBOL bv 576 176 R0
WINDOW 3 22 90 Left 0
SYMATTR Value V=(N**2*Rload)/Z0
SYMATTR InstName Q1
SYMBOL bv -464 192 R0
WINDOW 3 22 90 Left 0
SYMATTR Value V={Vout1}*2*{N}/{Vin}
SYMATTR InstName B1
SYMBOL voltage 416 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value {Ls/.0000001}
SYMBOL cap 512 -128 R0
SYMATTR InstName C2
SYMATTR Value 240µ
SYMATTR Value2 IC=19
SYMBOL cap 432 -128 R0
SYMATTR InstName C3
SYMATTR Value 240µ
SYMATTR Value2 IC=19
TEXT 448 -448 Left 0 !.include application.lib
TEXT 464 -376 Left 0 !.tran 0 3.0m 1U uic
TEXT -888 -96 Left 0 !.param Vin=350\n+ Vout1 = 24V\n+Pout = 550W\n+ pi=3.14159\n+ Rload=Vout1**2/Pout\n+ Lmag = 600u\n+ Ratio=6\n+ Ls=Lmag/Ratio\n+ Cs=33n\n+ N=7\n+ Fs=1/(2*pi*sqrt(Ls*Cs))\n+ Fm=1/(2*pi*sqrt((Ls+Lmag)*Cs))\n+ Z0=sqrt(Ls/Cs)