Version 4
SHEET 1 2116 744
WIRE 208 -304 64 -304
WIRE 352 -304 208 -304
WIRE 480 -304 352 -304
WIRE 704 -304 576 -304
WIRE 848 -304 704 -304
WIRE 944 -304 848 -304
WIRE 1088 -304 944 -304
WIRE 1216 -304 1088 -304
WIRE 704 -288 704 -304
WIRE 1216 -272 1216 -304
WIRE 352 -256 352 -304
WIRE 64 -240 64 -304
WIRE 944 -240 944 -304
WIRE 208 -208 208 -240
WIRE 1088 -208 1088 -304
WIRE 704 -192 704 -208
WIRE 736 -192 704 -192
WIRE 848 -192 848 -304
WIRE 1296 -192 1264 -192
WIRE 1392 -192 1296 -192
WIRE 704 -176 704 -192
WIRE 1216 -176 1216 -192
WIRE 1264 -160 1264 -192
WIRE 352 -144 352 -176
WIRE 208 -96 208 -144
WIRE 288 -96 208 -96
WIRE 848 -96 848 -128
WIRE 944 -96 944 -176
WIRE 1264 -80 1264 -112
WIRE 1392 -80 1392 -112
WIRE 1392 -80 1264 -80
WIRE 208 -48 208 -96
WIRE 352 -32 352 -48
WIRE 560 -32 560 -256
WIRE 560 -32 352 -32
WIRE 656 -32 560 -32
WIRE 1088 -16 1088 -128
WIRE 1216 -16 1216 -96
WIRE 1216 -16 1088 -16
WIRE 1344 -16 1216 -16
WIRE 1440 -16 1424 -16
WIRE 560 16 560 -32
WIRE 656 16 656 -32
WIRE 400 160 384 160
WIRE 960 160 944 160
WIRE 320 240 320 160
WIRE 320 240 224 240
WIRE 384 240 320 240
WIRE 480 240 480 160
WIRE 480 240 448 240
WIRE 864 240 864 160
WIRE 896 240 864 240
WIRE 1024 240 1024 160
WIRE 1024 240 960 240
WIRE 1088 240 1024 240
WIRE 320 368 320 240
WIRE 384 368 320 368
WIRE 1024 368 1024 240
WIRE 1024 368 960 368
WIRE 480 384 480 240
WIRE 480 384 448 384
WIRE 560 384 560 80
WIRE 560 384 480 384
WIRE 656 384 656 80
WIRE 864 384 864 240
WIRE 864 384 656 384
WIRE 896 384 864 384
WIRE 224 400 176 400
WIRE 384 400 304 400
WIRE 1056 400 960 400
WIRE 1184 400 1136 400
WIRE 176 432 176 400
WIRE 1184 432 1184 400
FLAG 416 416 0
FLAG 48 400 VCC
FLAG 416 352 VCC
FLAG 928 352 VCC
FLAG 48 480 0
FLAG 176 512 0
FLAG 928 416 0
FLAG 1184 512 0
FLAG 64 -160 0
FLAG 704 -96 0
FLAG 848 -96 0
FLAG 736 -192 vout
IOPIN 736 -192 Out
FLAG 224 240 vout
IOPIN 224 240 In
FLAG 1216 64 0
FLAG 1440 -16 iout
IOPIN 1440 -16 Out
FLAG 1088 240 iout
IOPIN 1088 240 In
FLAG 1296 -192 0
FLAG 1088 -304 OUT+
FLAG 944 -96 0
FLAG 208 32 0
SYMBOL voltage 48 384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 448 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL res 320 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage 176 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 0.646
SYMBOL cap 960 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL res 1152 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL voltage 1184 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 0.8
SYMBOL res 336 -272 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL voltage 64 -256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 35
SYMBOL res 688 -304 R0
SYMATTR InstName R7
SYMATTR Value 68k
SYMBOL res 688 -192 R0
SYMATTR InstName R8
SYMATTR Value 4k7
SYMBOL res 1200 -32 R0
SYMATTR InstName R-SHUNT
SYMATTR Value 0.5
SYMBOL res 1200 -288 R0
SYMATTR InstName R10
SYMATTR Value 5
SYMBOL sw 1216 -192 M0
SYMATTR InstName S1
SYMBOL voltage 1392 -96 M180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value PULSE(0 1 0 10n 10n 5m 10m)
SYMBOL res 1072 -224 R0
SYMATTR InstName R11
SYMATTR Value 2k
SYMBOL cap 928 -240 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res 496 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 16k
SYMBOL cap 384 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL res 848 144 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 16k
SYMBOL cap 960 144 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 1n
SYMBOL res 1328 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL Users\\LM339 416 320 R0
SYMATTR InstName U3
SYMBOL Users\\LM339 928 320 M0
SYMATTR InstName U4
SYMBOL diode 544 16 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 640 16 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap 832 -192 R0
SYMATTR InstName C5
SYMATTR Value 1µ
SYMBOL pnp 288 -48 M180
SYMATTR InstName Q1
SYMATTR Value 2N2907
SYMBOL diode 192 -304 R0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 192 -208 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res 192 -64 R0
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL nmos 480 -256 R270
SYMATTR InstName M1
SYMATTR Value IXFX90N30
TEXT -200 608 Left 2 !.tran 100m startup
TEXT -200 576 Left 2 !.model SW VSWITCH Roff=1e6 Ron=1m Voff=0.0 Von=1.0
TEXT -200 632 Left 2 !;dc V2 0 2.048 0.001