Version 4
SHEET 1 1212 1152
WIRE -64 -32 -208 -32
WIRE 96 -32 -64 -32
WIRE -64 0 -64 -32
WIRE 96 0 96 -32
WIRE -64 128 -64 80
WIRE 0 128 -64 128
WIRE 96 128 96 80
WIRE 96 128 64 128
WIRE -208 160 -208 -32
WIRE 96 176 96 128
WIRE -64 192 -64 128
WIRE 48 192 -64 192
WIRE -64 256 -64 192
WIRE 96 320 96 272
WIRE 224 320 96 320
WIRE 512 320 304 320
WIRE 672 368 560 368
WIRE 512 400 512 320
WIRE 672 400 672 368
WIRE 560 416 560 368
WIRE -208 448 -208 240
WIRE -64 448 -64 336
WIRE -64 448 -208 448
WIRE 320 448 -64 448
WIRE -208 480 -208 448
WIRE 320 512 320 448
WIRE 512 512 512 480
WIRE 512 512 320 512
WIRE 560 512 560 464
WIRE 560 512 512 512
WIRE 672 512 672 480
WIRE 672 512 560 512
FLAG -208 480 0
SYMBOL pmos 48 272 M180
SYMATTR InstName M1
SYMATTR Value IRF9640 m=0.5
SYMBOL voltage -208 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 200
SYMBOL res 80 -16 R0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL res -80 -16 R0
SYMATTR InstName R3
SYMATTR Value 25k
SYMBOL res -80 240 R0
SYMATTR InstName R4
SYMATTR Value 500k
SYMBOL zener 0 144 R270
WINDOW 0 36 32 VTop 2
WINDOW 3 -4 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value BZX84C12L
SYMBOL sw 512 496 R180
SYMATTR InstName S1
SYMBOL voltage 672 384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 1 10u 10n 10n 200u 300u 5)
SYMBOL res 320 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100
TEXT -224 -96 Left 2 !.tran 2m
TEXT 136 136 Left 2 ;250V, TO220 \nIRFI9634G, SiHFI9634G
TEXT 192 288 Left 2 ;Test
TEXT -224 -136 Left 2 ;.dc V2 0 190 1
TEXT 400 344 Left 2 ;Test
TEXT 184 560 Left 2 !.model SW SW(Ron=1 Roff=1G Vt=0.5 Vh=10m)