Version 4
SHEET 1 5296 820
WIRE -80 -384 -304 -384
WIRE 800 -384 -80 -384
WIRE -304 -368 -304 -384
WIRE -304 -272 -304 -288
WIRE -144 -240 -368 -240
WIRE 112 -240 -144 -240
WIRE 144 -240 112 -240
WIRE 256 -240 224 -240
WIRE 320 -240 256 -240
WIRE 672 -240 416 -240
WIRE 832 -240 672 -240
WIRE 960 -240 832 -240
WIRE -368 -224 -368 -240
WIRE 672 -224 672 -240
WIRE 960 -224 960 -240
WIRE 960 -144 960 -160
WIRE -368 -128 -368 -144
WIRE 672 -128 672 -144
WIRE 672 -128 624 -128
WIRE 112 -112 112 -240
WIRE 256 -112 256 -240
WIRE 400 -112 400 -192
WIRE 672 -112 672 -128
WIRE 624 -64 624 -128
WIRE 624 -64 592 -64
WIRE -80 -48 -80 -384
WIRE -64 -48 -80 -48
WIRE 672 -16 672 -32
WIRE 704 16 592 16
WIRE 800 16 800 -384
WIRE 800 16 784 16
WIRE -144 80 -144 -240
WIRE -64 80 -144 80
WIRE 656 96 592 96
WIRE 832 96 832 -240
WIRE 832 96 736 96
WIRE 16 176 16 160
WIRE 176 176 176 160
WIRE 336 176 336 160
WIRE 496 176 496 160
WIRE 16 256 16 240
WIRE 176 256 176 240
WIRE 336 256 336 240
FLAG 496 176 0
FLAG 672 -16 0
FLAG 16 256 0
FLAG 176 256 0
FLAG 336 256 0
FLAG -304 -272 0
FLAG -368 -128 0
FLAG 960 -144 0
FLAG 960 -240 OUT
FLAG -368 -240 IN
FLAG -304 -384 VCC
SYMBOL nmos 320 -192 R270
WINDOW 0 56 49 VTop 2
WINDOW 3 -14 75 VLeft 2
SYMATTR InstName M1
SYMATTR Value Si4864DY
SYMBOL res 240 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4m
SYMBOL res 656 -240 R0
SYMATTR InstName R2
SYMATTR Value 17.4K
SYMBOL res 656 -128 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 0 176 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL cap 160 176 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL cap 320 176 R0
SYMATTR InstName C3
SYMATTR Value 18n
SYMBOL voltage -304 -384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1u 3.3)
SYMBOL voltage -368 -240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1u 1.8)
SYMBOL res 800 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res 752 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL cap 944 -224 R0
WINDOW 123 24 36 Left 2
SYMATTR InstName C4
SYMATTR Value 1000µ
SYMBOL LTC4216 256 16 R0
SYMATTR InstName U1
TEXT 728 184 Left 2 !.tran 20m