Version 4
SHEET 1 1268 680
WIRE 96 -192 0 -192
WIRE 192 -192 96 -192
WIRE 416 -192 288 -192
WIRE 720 -192 416 -192
WIRE 848 -192 720 -192
WIRE 1200 -192 848 -192
WIRE 1216 -192 1200 -192
WIRE 720 -176 720 -192
WIRE 96 -80 96 -128
WIRE 352 -80 96 -80
WIRE 416 -80 416 -192
WIRE 608 -80 496 -80
WIRE 352 -32 352 -80
WIRE 608 -16 608 -80
WIRE 1200 32 1200 -192
WIRE 208 64 208 -144
WIRE 352 64 352 48
WIRE 352 64 208 64
WIRE 608 80 608 48
WIRE 800 80 608 80
WIRE 1008 80 800 80
WIRE 800 96 800 80
WIRE 0 128 0 -192
WIRE 608 144 608 80
WIRE 352 160 352 144
WIRE 752 160 640 160
WIRE 576 176 512 176
WIRE 752 176 752 160
WIRE 800 176 752 176
WIRE 1008 176 1008 80
WIRE 720 192 720 -96
WIRE 720 192 640 192
WIRE 800 208 800 176
WIRE 432 240 432 176
WIRE 432 240 400 240
WIRE 720 256 720 192
WIRE 432 272 432 240
WIRE 0 384 0 208
WIRE 352 384 352 256
WIRE 432 384 432 336
WIRE 608 384 608 208
WIRE 720 384 720 336
WIRE 800 384 800 272
WIRE 1008 384 1008 240
WIRE 1200 384 1200 112
FLAG 0 384 0
FLAG 352 384 0
FLAG 608 384 0
FLAG 800 384 0
FLAG 720 384 0
FLAG 1008 384 0
FLAG 848 -192 out
FLAG 1200 384 0
FLAG 432 384 0
SYMBOL voltage 0 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 40 1s 28)
SYMBOL pmos 288 -144 M270
SYMATTR InstName M1
SYMATTR Value IRF7343P
SYMBOL nmos 400 160 M0
SYMATTR InstName M2
SYMATTR Value BSS145
SYMBOL res 336 48 R0
SYMATTR InstName R1
SYMATTR Value 47k
SYMBOL res 336 -48 R0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL diode 80 -192 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL Comparators\\LT1716 608 176 M0
SYMATTR InstName U1
SYMBOL res 528 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 470
SYMBOL res 512 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL zener 624 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL References\\LT1004-1.2 800 240 R0
SYMATTR InstName U2
SYMBOL res 704 -192 R0
SYMATTR InstName R5
SYMATTR Value 9.1Meg
SYMBOL res 704 240 R0
SYMATTR InstName R6
SYMATTR Value 371k
SYMBOL res 784 80 R0
SYMATTR InstName R7
SYMATTR Value 150k
SYMBOL cap 992 176 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res 1184 16 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL cap 416 272 R0
SYMATTR InstName C2
SYMATTR Value 100n
TEXT 64 448 Left 2 !.tran 0 1.2 0 100u startup