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 864 -112 384 -112
WIRE 976 -112 864 -112
WIRE 1088 -112 976 -112
WIRE -688 -96 -688 -112
WIRE 864 -96 864 -112
WIRE 976 -96 976 -112
WIRE 1088 -96 1088 -112
WIRE 1360 -80 1136 -80
WIRE 1472 -80 1440 -80
WIRE 1152 -32 1136 -32
WIRE 128 -16 -368 -16
WIRE 160 -16 128 -16
WIRE 256 -16 240 -16
WIRE 400 -16 256 -16
WIRE 640 -16 496 -16
WIRE 736 -16 640 -16
WIRE -688 0 -688 -16
WIRE -368 0 -368 -16
WIRE 640 0 640 -16
WIRE 736 0 736 -16
WIRE 864 0 864 -32
WIRE 976 0 976 -16
WIRE 1088 0 1088 -16
WIRE -368 96 -368 80
WIRE 640 96 640 64
WIRE 736 96 736 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 640 272 576 272
WIRE 640 288 640 272
WIRE 704 304 688 304
WIRE -432 352 -432 -112
WIRE -336 352 -432 352
WIRE -176 352 -256 352
WIRE 576 352 576 272
WIRE 576 352 560 352
WIRE 752 352 688 352
WIRE 752 368 752 352
WIRE 640 384 640 368
WIRE 752 464 752 448
WIRE 192 480 192 464
FLAG 736 96 0
FLAG 976 0 0
FLAG 192 480 0
FLAG -368 96 0
FLAG -688 0 0
FLAG 640 384 0
FLAG 752 464 0
FLAG 704 304 0
FLAG 864 0 0
FLAG 640 96 0
FLAG 976 -112 OUT1
FLAG 736 -16 OUT2
FLAG 1088 0 0
FLAG 1472 -80 0
FLAG 1152 -32 0
FLAG -688 -112 IN1
FLAG -368 -16 IN2
SYMBOL LTC4224-2 192 288 R0
SYMATTR InstName U1
SYMBOL res 720 -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 56 47 VTop 2
WINDOW 3 25 98 VRight 2
SYMATTR InstName Q1
SYMATTR Value FDS6911
SYMBOL res 960 -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 640 272 M0
WINDOW 0 -17 8 Right 2
WINDOW 3 -26 99 Right 2
SYMATTR InstName S1
SYMATTR Value SON
SYMBOL voltage 752 352 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)
SYMBOL res -352 368 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 53 44 VTop 2
WINDOW 3 26 96 VRight 2
SYMATTR InstName Q2
SYMATTR Value FDS6911
SYMBOL cap 848 -96 R0
SYMATTR InstName C1
SYMATTR Value 150µ
SYMBOL cap 624 0 R0
SYMATTR InstName C2
SYMATTR Value 150µ
SYMBOL sw 1088 0 R180
WINDOW 0 -12 105 Right 2
WINDOW 3 -31 -1 Right 2
SYMATTR InstName S2
SYMATTR Value SSHORT
SYMBOL voltage 1344 -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)
TEXT 680 536 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)