Version 4
SHEET 1 1448 728
WIRE -176 0 -384 0
WIRE 752 0 -96 0
WIRE -384 48 -384 0
WIRE -304 48 -384 48
WIRE -384 80 -384 48
WIRE -352 80 -384 80
WIRE -224 80 -224 48
WIRE -224 80 -288 80
WIRE -496 128 -544 128
WIRE -304 128 -400 128
WIRE -224 128 -224 80
WIRE -224 128 -304 128
WIRE 400 128 384 128
WIRE 416 128 400 128
WIRE 480 128 416 128
WIRE 576 128 544 128
WIRE 656 128 576 128
WIRE 720 128 656 128
WIRE 752 128 752 0
WIRE 752 128 720 128
WIRE -128 144 -176 144
WIRE 32 144 -128 144
WIRE 128 144 32 144
WIRE 288 144 208 144
WIRE -416 192 -416 176
WIRE -384 192 -384 80
WIRE -384 192 -416 192
WIRE -368 192 -384 192
WIRE -304 192 -304 128
WIRE 384 192 384 128
WIRE 656 192 656 128
WIRE 480 208 448 208
WIRE 576 208 576 128
WIRE 576 208 544 208
WIRE 752 208 752 128
WIRE 32 224 32 208
WIRE 64 224 32 224
WIRE -576 240 -608 240
WIRE -544 240 -544 128
WIRE -544 240 -576 240
WIRE -528 240 -544 240
WIRE -368 240 -448 240
WIRE -336 240 -368 240
WIRE -304 240 -304 192
WIRE -304 240 -336 240
WIRE 288 240 288 224
WIRE 288 240 -304 240
WIRE -608 256 -608 240
WIRE 32 256 32 224
WIRE 288 256 288 240
WIRE 64 272 64 224
WIRE 400 272 384 272
WIRE 448 272 448 208
WIRE 448 272 400 272
WIRE 480 272 448 272
WIRE 576 272 544 272
WIRE -400 288 -496 288
WIRE -96 288 -336 288
WIRE -80 288 -96 288
WIRE -368 304 -368 240
WIRE -368 304 -736 304
WIRE 64 336 32 336
WIRE -736 352 -736 304
WIRE -176 352 -176 144
WIRE -176 352 -272 352
WIRE -336 368 -336 288
WIRE 96 368 0 368
WIRE 112 368 96 368
WIRE 160 368 112 368
WIRE 288 368 288 336
WIRE 288 368 240 368
WIRE 416 368 416 128
WIRE 480 368 416 368
WIRE 576 368 576 272
WIRE 576 368 544 368
WIRE 656 368 656 256
WIRE 656 368 576 368
WIRE 752 368 752 288
WIRE 752 368 656 368
WIRE -496 384 -496 288
WIRE -176 384 -176 352
WIRE 752 384 752 368
WIRE -272 400 -272 352
WIRE 0 416 0 368
WIRE -608 432 -608 416
WIRE 176 432 96 432
WIRE 176 448 176 432
WIRE -400 464 -400 288
WIRE -288 464 -400 464
WIRE -224 464 -288 464
WIRE -80 496 -80 288
WIRE -48 496 -80 496
WIRE -736 528 -736 416
WIRE -656 528 -736 528
WIRE -608 528 -608 512
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 -112 528 -336 528
WIRE -400 560 -400 528
WIRE -320 560 -400 560
WIRE -176 560 -176 480
WIRE -176 560 -240 560
WIRE -96 560 -176 560
WIRE 0 560 0 512
WIRE 0 560 -96 560
WIRE 32 560 32 336
WIRE 96 560 96 512
WIRE 96 560 32 560
WIRE 176 560 176 512
WIRE 176 560 96 560
WIRE -112 592 -112 528
WIRE 32 592 32 560
WIRE 32 592 -112 592
WIRE -656 608 -656 528
FLAG -656 608 0
FLAG 752 384 0
FLAG 720 128 Vout
FLAG -336 240 in
FLAG -128 144 m1
FLAG 112 368 m2
FLAG -288 464 g1
FLAG -96 288 g2
FLAG -96 560 s
FLAG 400 128 a
FLAG 400 272 b
FLAG -576 240 batt
SYMBOL ind2 272 128 R0
SYMATTR InstName L1
SYMATTR Value 180u
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 180u
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 32m
SYMATTR Type ind
SYMATTR SpiceLine Rser=10m
SYMBOL nmos -224 384 R0
SYMATTR InstName M1
SYMATTR Value IPB019N08N3
SYMBOL nmos -48 416 R0
SYMATTR InstName M2
SYMATTR Value IPB025N10N3
SYMBOL voltage -608 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 132 Left 2
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 80
SYMBOL voltage -496 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -43 57 Left 2
WINDOW 3 -31 242 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR Value PULSE(0 10 0 50n 50n 32u 66u 1000)
SYMATTR InstName V2
SYMBOL voltage -336 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -43 57 Left 2
WINDOW 3 -188 285 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR Value PULSE(0 10 33u 50n 50n 32u 66u 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 res -224 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value .001
SYMBOL cap -752 352 R0
SYMATTR InstName C10
SYMATTR Value 40u
SYMATTR SpiceLine V=250 Rser=1m
SYMBOL ind 112 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L5
SYMATTR Value 20n
SYMATTR SpiceLine Rser=50u
SYMBOL ind 144 384 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L6
SYMATTR Value 20n
SYMATTR SpiceLine Rser=50u
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 res -592 352 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value .008
SYMBOL cap 16 144 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=1m
SYMBOL res 48 352 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL cap 80 368 R0
SYMATTR InstName C2
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=1m
SYMBOL res 112 528 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 10
SYMBOL schottky 80 272 M0
SYMATTR InstName D5
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 192 448 M0
SYMATTR InstName D6
SYMATTR Value MBRB2545CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 640 192 R0
SYMATTR InstName C3
SYMATTR Value 40u
SYMATTR SpiceLine V=250 Rser=1m
SYMBOL ind -624 320 R0
SYMATTR InstName L4
SYMATTR Value 100n
SYMATTR SpiceLine Rser=50u
SYMBOL res -432 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 0.5
SYMBOL nmos -496 176 R270
SYMATTR InstName M3
SYMATTR Value IPB019N08N3
SYMBOL res -208 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 5k
SYMBOL zener -304 208 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D7
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -80 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 150k
SYMBOL cap -288 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 47n
SYMATTR SpiceLine V=250 Rser=1m
TEXT 32 88 Left 2 !K1 L1 L2 L3 1
TEXT -648 576 Left 2 !.tran 0 300m 10u 1u startup
TEXT 56 32 Left 2 ;Primary 2x8 turns = 2x180 uH, Secondary 100 turns = 32 mH
TEXT 224 432 Left 2 ;M1,M2=IPB025N110N3, L5-L6=20n, V2-V3=32u/66u_Rs=10\nP(m1)av=3W, V(a,b)=308Vp
TEXT 224 496 Left 2 ;Leakage 20nH, 47nF+10R
TEXT 224 528 Left 2 ;Load Rl=80, Vout=308, 1191W/1214W = 98.1%