Version 4
SHEET 1 932 680
WIRE 352 64 16 64
WIRE 656 64 352 64
WIRE 656 80 656 64
WIRE 352 96 352 64
WIRE -80 128 -96 128
WIRE 16 128 16 64
WIRE 16 128 0 128
WIRE 48 128 16 128
WIRE 320 128 304 128
WIRE 320 192 320 128
WIRE 352 192 352 160
WIRE 352 192 320 192
WIRE 400 192 352 192
WIRE 496 192 480 192
WIRE 656 192 656 160
WIRE 656 192 496 192
WIRE -208 224 -224 224
WIRE 48 224 -128 224
WIRE 320 224 320 192
WIRE 320 224 304 224
WIRE 656 240 656 192
WIRE -208 320 -224 320
WIRE 48 320 -128 320
WIRE 608 320 304 320
WIRE 496 336 496 192
WIRE 656 352 656 336
WIRE 48 416 16 416
WIRE 448 416 304 416
WIRE 496 448 496 432
WIRE 656 448 656 432
WIRE 496 544 496 528
FLAG 16 416 0
FLAG -96 128 0
FLAG -224 224 0
FLAG -224 320 0
FLAG 656 448 0
FLAG 496 544 0
SYMBOL voltage 16 128 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -112 224 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 30 53 VTop 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 100n 100n 2.5m 5m)
SYMBOL voltage -112 320 R90
WINDOW 0 -2 6 VBottom 2
WINDOW 3 37 54 VTop 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 5 0 100n 100n 2.5m 5m)
SYMBOL nmos 608 240 R0
WINDOW 0 55 5 Left 2
WINDOW 3 54 62 Left 2
SYMATTR InstName Q1
SYMATTR Value Si9936DY
SYMBOL res 640 64 R0
SYMATTR InstName R1
SYMATTR Value .03
SYMBOL cap 336 96 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL res 496 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL nmos 448 336 R0
WINDOW 0 56 22 Left 2
WINDOW 3 55 77 Left 2
SYMATTR InstName Q2
SYMATTR Value Si9936DY
SYMBOL PowerProducts\\LTC1155 176 272 R0
SYMATTR InstName U1
SYMBOL res 480 432 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL res 640 336 R0
SYMATTR InstName Rload2
SYMATTR Value 10
TEXT 80 520 Left 2 !.tran 20m startup