Version 4
SHEET 1 880 680
WIRE -192 0 -208 0
WIRE -96 0 -112 0
WIRE -64 0 -96 0
WIRE 0 0 -64 0
WIRE -64 32 -64 0
WIRE -208 64 -208 0
WIRE -208 64 -320 64
WIRE -176 64 -208 64
WIRE -96 64 -96 0
WIRE -96 64 -112 64
WIRE 384 128 384 16
WIRE 416 128 384 128
WIRE 480 128 416 128
WIRE 576 128 544 128
WIRE 592 128 576 128
WIRE 720 128 672 128
WIRE 752 128 720 128
WIRE -128 144 -176 144
WIRE -32 144 -128 144
WIRE 0 144 0 32
WIRE 0 144 -32 144
WIRE 32 144 0 144
WIRE 128 144 32 144
WIRE 288 144 208 144
WIRE -512 192 -688 192
WIRE -320 192 -320 64
WIRE -320 192 -512 192
WIRE 384 192 384 128
WIRE 448 208 448 96
WIRE 480 208 448 208
WIRE 576 208 576 128
WIRE 576 208 544 208
WIRE 752 208 752 128
WIRE -752 240 -816 240
WIRE -608 240 -752 240
WIRE -560 240 -608 240
WIRE -512 240 -512 192
WIRE -512 240 -560 240
WIRE -128 240 -512 240
WIRE 288 240 288 224
WIRE 288 240 -128 240
WIRE -608 256 -608 240
WIRE 32 256 32 208
WIRE 288 256 288 240
WIRE 448 272 448 208
WIRE 448 272 384 272
WIRE 480 272 448 272
WIRE 576 272 544 272
WIRE -400 288 -416 288
WIRE -320 288 -336 288
WIRE -224 288 -240 288
WIRE -96 288 -224 288
WIRE -80 288 -96 288
WIRE 672 304 672 128
WIRE -752 320 -752 240
WIRE -128 320 -128 240
WIRE -816 336 -816 240
WIRE -336 336 -336 288
WIRE -224 336 -224 288
WIRE -224 336 -272 336
WIRE 32 336 0 336
WIRE 64 336 64 0
WIRE 64 336 32 336
WIRE 112 336 64 336
WIRE 144 336 112 336
WIRE 160 336 144 336
WIRE 288 336 240 336
WIRE -496 352 -496 288
WIRE -400 352 -400 288
WIRE -400 352 -432 352
WIRE -608 368 -608 336
WIRE -336 368 -336 336
WIRE -32 368 -32 144
WIRE 80 368 -32 368
WIRE 416 368 416 128
WIRE 480 368 416 368
WIRE 576 368 576 272
WIRE 576 368 544 368
WIRE 672 368 576 368
WIRE 752 368 752 288
WIRE 752 368 672 368
WIRE -496 384 -496 352
WIRE -176 384 -176 144
WIRE 0 384 0 336
WIRE 752 384 752 368
WIRE 80 400 80 368
WIRE 144 400 144 336
WIRE -688 416 -688 192
WIRE -400 464 -400 352
WIRE -304 464 -400 464
WIRE -288 464 -304 464
WIRE -224 464 -288 464
WIRE -80 464 -80 288
WIRE -48 464 -80 464
WIRE -816 528 -816 400
WIRE -752 528 -752 384
WIRE -752 528 -816 528
WIRE -688 528 -688 480
WIRE -688 528 -752 528
WIRE -656 528 -688 528
WIRE -608 528 -608 448
WIRE -608 528 -656 528
WIRE -496 528 -496 464
WIRE -496 528 -608 528
WIRE -400 528 -496 528
WIRE -336 528 -336 448
WIRE -336 528 -400 528
WIRE -304 528 -336 528
WIRE -128 528 -128 384
WIRE -128 528 -304 528
WIRE -80 528 -128 528
WIRE 48 528 -80 528
WIRE 48 544 48 528
WIRE 80 544 48 544
WIRE 144 544 80 544
WIRE -400 560 -400 528
WIRE -368 560 -400 560
WIRE -176 560 -176 480
WIRE -176 560 -288 560
WIRE -96 560 -176 560
WIRE 0 560 0 480
WIRE 0 560 -96 560
WIRE -656 608 -656 528
FLAG -656 608 0
FLAG 752 384 0
FLAG 720 128 Vout
FLAG -560 240 in
FLAG -128 144 m1
FLAG 112 336 m2
FLAG -288 464 g1
FLAG -96 288 g2
FLAG -96 560 s
SYMBOL ind2 272 128 R0
SYMATTR InstName L1
SYMATTR Value 2.8u
SYMATTR Type ind
SYMATTR SpiceLine Rser=100u
SYMBOL ind2 272 240 R0
WINDOW 0 45 35 Left 2
WINDOW 3 41 61 Left 2
SYMATTR InstName L2
SYMATTR Value 2.8u
SYMATTR Type ind
SYMATTR SpiceLine Rser=100u
SYMBOL ind2 400 176 M0
WINDOW 0 21 -5 Left 2
WINDOW 3 -9 113 Left 2
SYMATTR InstName L3
SYMATTR Value 400u
SYMATTR Type ind
SYMATTR SpiceLine Rser=10m
SYMBOL nmos -224 384 R0
SYMATTR InstName M1
SYMATTR Value IPB019N08N3
SYMBOL nmos -48 384 R0
SYMATTR InstName M2
SYMATTR Value IPB019N08N3
SYMBOL voltage -608 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 132 Left 2
SYMATTR SpiceLine Rser=8m
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL diode 544 288 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 480 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL res 736 192 R0
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL voltage -496 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -43 57 Left 2
WINDOW 3 228 271 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR Value PULSE(0 10 0 50n 50n 25u 60u 1000)
SYMATTR InstName V2
SYMBOL voltage -336 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -43 57 Left 2
WINDOW 3 100 298 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR Value PULSE(0 10 30u 50n 50n 25u 60u 1000)
SYMATTR InstName V3
SYMBOL diode 480 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL diode 544 384 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL polcap -704 416 R0
WINDOW 3 24 64 Left 2
SYMATTR Value 10u
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=20 Rser=50m Lser=0
SYMBOL cap -768 320 R0
SYMATTR InstName C5
SYMATTR Value 220u
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL schottky -800 400 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -272 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value .001
SYMBOL cap 16 144 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL res 16 352 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 0.5
SYMBOL cap -320 464 R0
SYMATTR InstName C6
SYMATTR Value 20n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL cap -96 464 R0
SYMATTR InstName C7
SYMATTR Value 20n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL cap -144 320 R0
SYMATTR InstName C10
SYMATTR Value .47u
SYMATTR SpiceLine V=250 Rser=10m
SYMBOL schottky 0 48 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 64 16 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D7
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -208 -16 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 470
SYMBOL cap -112 48 R90
WINDOW 0 9 10 VBottom 2
WINDOW 3 30 60 VTop 2
SYMATTR InstName C11
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL res 128 560 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 12
SYMBOL res 64 560 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 12
SYMBOL cap 64 400 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL cap 128 400 R0
SYMATTR InstName C8
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL ind 112 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 50n
SYMBOL ind 144 352 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L6
SYMATTR Value 50n
SYMBOL res -512 272 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 20
SYMBOL res -336 272 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 20
SYMBOL schottky -496 336 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D8
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -336 320 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D9
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind -624 240 R0
SYMATTR InstName L7
SYMATTR Value 10n
SYMBOL cap 656 304 R0
SYMATTR InstName C3
SYMATTR Value 220u
SYMATTR SpiceLine V=250 Rser=100u
SYMBOL ind 576 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 500u
SYMBOL schottky 560 272 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D10
SYMATTR Value UPSC600
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 448 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 1n
SYMATTR SpiceLine V=1000 Rser=100u
SYMBOL res 432 112 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 10
TEXT 32 88 Left 2 !K1 L1 L2 L3 1
TEXT -648 576 Left 2 !.tran 0 300m 10u 1u startup
TEXT -864 96 Left 2 ;Primary 2x1 turns 60V/turn at 16000 Hz, secondary 12 turns
TEXT -792 136 Left 2 ;8 turns = 180 uH, 100 turns = 32 mH, 1 turn = 2.8 uH