Version 4
SHEET 1 932 680
WIRE 144 32 -48 32
WIRE 352 32 144 32
WIRE 496 32 352 32
WIRE 640 32 496 32
WIRE -48 48 -48 32
WIRE 640 96 640 32
WIRE 144 128 144 32
WIRE -48 144 -48 128
WIRE -224 176 -272 176
WIRE 16 176 -144 176
WIRE 592 176 272 176
WIRE 496 208 496 32
WIRE 640 208 640 192
WIRE -224 288 -272 288
WIRE 16 288 -144 288
WIRE 448 288 272 288
WIRE 640 304 640 288
WIRE 352 320 352 32
WIRE 496 320 496 304
WIRE -224 400 -272 400
WIRE 16 400 -144 400
WIRE 304 400 272 400
WIRE 496 416 496 400
WIRE 144 464 144 448
WIRE 352 512 352 496
FLAG -48 144 0
FLAG -272 176 0
FLAG -272 288 0
FLAG 352 512 0
FLAG 496 416 0
FLAG -272 400 0
FLAG 144 464 0
FLAG 640 304 0
SYMBOL voltage -48 32 R0
WINDOW 0 24 24 Left 2
WINDOW 3 25 89 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL voltage -128 176 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3 0 100n 100n 2.5m 5m)
SYMBOL voltage -128 288 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 3 0 100n 100n 2.5m 5m)
SYMBOL res 336 400 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 480 304 R0
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL voltage -128 400 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 3 0 100n 100n 2.5m 5m)
SYMBOL nmos 592 96 R0
WINDOW 0 56 16 Left 2
WINDOW 3 54 47 Left 2
SYMATTR InstName Q1
SYMATTR Value Si4866DY
SYMBOL res 624 192 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL nmos 448 208 R0
WINDOW 0 56 16 Left 2
WINDOW 3 54 47 Left 2
SYMATTR InstName Q2
SYMATTR Value Si4866DY
SYMBOL nmos 304 320 R0
WINDOW 0 56 16 Left 2
WINDOW 3 54 47 Left 2
SYMATTR InstName Q3
SYMATTR Value Si4866DY
SYMBOL PowerProducts\\LTC1165 144 288 R0
SYMATTR InstName U1
TEXT 488 472 Left 2 !.tran 20m startup