Version 4
SHEET 1 1648 680
WIRE 848 -208 704 -208
WIRE 1072 -208 912 -208
WIRE 96 -80 -64 -80
WIRE 512 -80 96 -80
WIRE 560 -80 512 -80
WIRE 704 -80 704 -208
WIRE 704 -80 640 -80
WIRE 768 -80 704 -80
WIRE 880 -80 832 -80
WIRE 944 -80 880 -80
WIRE 1072 -80 1072 -208
WIRE 1072 -80 1024 -80
WIRE 1104 -80 1072 -80
WIRE 1200 -80 1168 -80
WIRE 1328 -80 1200 -80
WIRE 512 16 512 -80
WIRE 448 64 400 64
WIRE 704 64 704 -80
WIRE 96 96 96 -80
WIRE 880 96 880 -80
WIRE 1200 96 1200 -80
WIRE 1328 96 1328 -80
WIRE -64 112 -64 -80
WIRE 272 144 224 144
WIRE 400 144 400 64
WIRE 400 144 336 144
WIRE 512 144 512 112
WIRE 656 144 512 144
WIRE 512 176 512 144
WIRE 224 208 224 144
WIRE 400 224 400 144
WIRE 448 224 400 224
WIRE 400 256 400 224
WIRE -64 384 -64 192
WIRE 96 384 96 160
WIRE 96 384 -64 384
WIRE 224 384 224 288
WIRE 224 384 96 384
WIRE 400 384 400 336
WIRE 400 384 224 384
WIRE 512 384 512 272
WIRE 512 384 400 384
WIRE 704 384 704 160
WIRE 704 384 512 384
WIRE 880 384 880 160
WIRE 880 384 704 384
WIRE 1200 384 1200 160
WIRE 1200 384 880 384
WIRE 1328 384 1328 176
WIRE 1328 384 1200 384
WIRE 704 400 704 384
FLAG 704 400 0
SYMBOL nmos 656 64 R0
WINDOW 0 72 32 Left 2
WINDOW 3 72 72 Left 2
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL diode 768 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -9 35 VBottom 2
SYMATTR InstName D1
SYMATTR Value MURS320
SYMBOL ind2 656 -96 R90
WINDOW 0 4 56 VBottom 2
WINDOW 3 42 52 VTop 2
SYMATTR InstName L1
SYMATTR Value 100µH
SYMATTR SpiceLine Rser=0.1
SYMATTR Type ind
SYMBOL voltage -64 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 864 96 R0
SYMATTR InstName C1
SYMATTR Value 470nF
SYMBOL res 1312 80 R0
SYMATTR InstName R1
SYMATTR Value 2K
SYMBOL ind2 1040 -96 R90
WINDOW 0 4 56 VBottom 2
WINDOW 3 42 53 VTop 2
SYMATTR InstName L2
SYMATTR Value 100µH
SYMATTR Type ind
SYMBOL cap 80 96 R0
SYMATTR InstName C3
SYMATTR Value 10µF
SYMBOL diode 1104 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -7 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL polcap 1184 96 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 470nF
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL cap 912 -224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 41 27 VTop 2
SYMATTR InstName C4
SYMATTR Value 470nF
SYMBOL pnp 448 272 M180
WINDOW 0 74 33 Left 2
WINDOW 3 70 64 Left 2
SYMATTR InstName Q1
SYMATTR Value 2N5087
SYMBOL voltage 224 192 R0
WINDOW 3 -124 -207 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 41 79 Left 2
WINDOW 0 42 47 Left 2
SYMATTR Value PULSE(0 12 0 30ns 30ns 9uS 10us)
SYMATTR SpiceLine Rser=10
SYMATTR InstName V2
SYMBOL npn 448 16 R0
WINDOW 0 73 32 Left 2
WINDOW 3 73 68 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N5089
SYMBOL diode 272 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL res 384 240 R0
SYMATTR InstName R2
SYMATTR Value 1K
TEXT 368 432 Left 2 !.tran 0 3ms 0 startup