Version 4
SHEET 1 892 740
WIRE 32 144 -272 144
WIRE 432 144 256 144
WIRE 544 144 512 144
WIRE 32 208 -160 208
WIRE 320 208 256 208
WIRE 544 208 544 144
WIRE 544 208 400 208
WIRE 32 272 -64 272
WIRE 432 272 256 272
WIRE 544 272 544 208
WIRE 544 272 512 272
WIRE 32 336 0 336
WIRE 320 336 256 336
WIRE 544 336 544 272
WIRE 544 336 400 336
WIRE 544 352 544 336
WIRE -64 368 -64 272
WIRE 544 448 544 432
WIRE -160 464 -160 208
WIRE -64 480 -64 448
WIRE -272 560 -272 144
WIRE -160 576 -160 544
WIRE -272 672 -272 640
FLAG 0 336 0
FLAG 544 448 0
FLAG -64 480 0
FLAG -160 576 0
FLAG -272 672 0
SYMBOL LTC1727-5 144 240 R0
SYMATTR InstName U1
SYMBOL voltage -64 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PWL(0 1.05 7 1.05 8 .95 9 1.05)
SYMATTR InstName V1
SYMBOL voltage -160 448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 5 4 5 5 4.5 6 5)
SYMBOL voltage -272 544 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 3.3 1 3.3 2 3 3 3.3)
SYMBOL voltage 544 336 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL res 528 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 416 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 528 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 416 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
TEXT 496 592 Left 2 !.tran 10