Version 4
SHEET 1 3704 680
WIRE -432 -112 -688 -112
WIRE -96 -112 -432 -112
WIRE -80 -112 -96 -112
WIRE 16 -112 0 -112
WIRE 288 -112 16 -112
WIRE 912 -112 384 -112
WIRE 1040 -112 912 -112
WIRE 1136 -112 1040 -112
WIRE -688 -96 -688 -112
WIRE 912 -96 912 -112
WIRE 1040 -96 1040 -112
WIRE 1136 -96 1136 -112
WIRE 1424 -80 1184 -80
WIRE 1536 -80 1504 -80
WIRE 1200 -32 1184 -32
WIRE 128 -16 -368 -16
WIRE 160 -16 128 -16
WIRE 256 -16 240 -16
WIRE 400 -16 256 -16
WIRE 624 -16 496 -16
WIRE 752 -16 624 -16
WIRE -688 0 -688 -16
WIRE -368 0 -368 -16
WIRE 624 0 624 -16
WIRE 752 0 752 -16
WIRE 912 0 912 -32
WIRE 1040 0 1040 -16
WIRE 1136 0 1136 -16
WIRE -368 96 -368 80
WIRE 624 96 624 64
WIRE 752 96 752 80
WIRE -96 112 -96 -112
WIRE 16 112 16 -112
WIRE 128 112 128 -16
WIRE 256 112 256 -16
WIRE 368 112 368 -64
WIRE 480 112 480 32
WIRE 576 272 560 272
WIRE 656 272 576 272
WIRE 656 288 656 272
WIRE 720 304 704 304
WIRE -432 352 -432 -112
WIRE -320 352 -432 352
WIRE -176 352 -240 352
WIRE 576 352 576 272
WIRE 576 352 560 352
WIRE 784 352 704 352
WIRE 784 368 784 352
WIRE 656 384 656 368
WIRE 784 464 784 448
WIRE 192 480 192 464
FLAG 752 96 0
FLAG 1040 0 0
FLAG 192 480 0
FLAG -368 96 0
FLAG -688 0 0
FLAG 656 384 0
FLAG 784 464 0
FLAG 720 304 0
FLAG 912 0 0
FLAG 624 96 0
FLAG 1040 -112 OUT1
FLAG 752 -16 OUT2
FLAG 1136 0 0
FLAG 1536 -80 0
FLAG 1200 -32 0
FLAG -688 -112 IN1
FLAG -368 -16 IN2
SYMBOL res 736 -16 R0
SYMATTR InstName R1
SYMATTR Value 1.65
SYMBOL res 256 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10m
SYMBOL nmos 288 -64 R270
WINDOW 0 51 48 VTop 2
WINDOW 3 21 93 VRight 2
SYMATTR InstName Q1
SYMATTR Value FDS6911
SYMBOL res 1024 -112 R0
SYMATTR InstName R3
SYMATTR Value 5
SYMBOL res 16 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 15m
SYMBOL voltage -368 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 +100n 3.3)
SYMBOL voltage -688 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 +100n 5)
SYMBOL sw 656 272 M0
WINDOW 0 -9 8 Right 2
WINDOW 3 -15 97 Right 2
SYMATTR InstName S1
SYMATTR Value SON
SYMBOL voltage 784 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 200m 0 +10n 1 2.5 1 +10n 0 +100u 0 +10n 1)
SYMBOL res -336 368 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL nmos 400 32 R270
WINDOW 0 51 49 VTop 2
WINDOW 3 15 95 VRight 2
SYMATTR InstName Q2
SYMATTR Value FDS6911
SYMBOL cap 896 -96 R0
SYMATTR InstName C1
SYMATTR Value 150µ
SYMBOL cap 608 0 R0
SYMATTR InstName C2
SYMATTR Value 150µ
SYMBOL sw 1136 0 R180
WINDOW 0 -15 107 Right 2
WINDOW 3 -30 1 Right 2
SYMATTR InstName S2
SYMATTR Value SSHORT
SYMBOL voltage 1408 -80 R270
WINDOW 123 -74 56 VBottom 2
WINDOW 39 -53 56 VBottom 2
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 1 500m 10n 10n 8m 100)
SYMBOL LTC4224-1 192 288 R0
SYMATTR InstName U1
TEXT 584 504 Left 2 !.tran 5\n.model SON SW(Ron=100 Roff=1G Vt=.5 Vh=-.3)\n.model SSHORT SW(Ron=200m Roff=50 Vt=.5 Vh=-.3)