Version 4
SHEET 1 4212 1120
WIRE 2256 256 1680 256
WIRE 2256 272 2256 256
WIRE 2560 288 2304 288
WIRE 2672 288 2640 288
WIRE 2320 336 2304 336
WIRE 1776 352 1728 352
WIRE 2096 352 2064 352
WIRE 1680 384 1680 256
WIRE 1680 384 1584 384
WIRE 1728 384 1728 352
WIRE 1728 384 1680 384
WIRE 2096 384 2096 352
WIRE 2144 384 2096 384
WIRE 2256 384 2256 352
WIRE 2256 384 2144 384
WIRE 2352 384 2256 384
WIRE 1584 400 1584 384
WIRE 2144 400 2144 384
WIRE 1728 416 1728 384
WIRE 1776 416 1728 416
WIRE 2096 416 2096 384
WIRE 2096 416 2064 416
WIRE 2256 416 2256 384
WIRE 2560 432 2304 432
WIRE 2672 432 2640 432
WIRE 1920 480 1920 448
WIRE 2144 480 2144 464
WIRE 2320 480 2304 480
WIRE 1584 496 1584 480
WIRE 2256 512 2256 496
FLAG 1920 480 0
FLAG 2352 384 OUT
FLAG 1584 384 IN
FLAG 1584 496 0
FLAG 2144 480 0
FLAG 2256 512 0
FLAG 2320 480 0
FLAG 2672 432 0
FLAG 2320 336 0
FLAG 2672 288 0
SYMBOL voltage 1584 384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.5
SYMBOL cap 2128 400 R0
SYMATTR InstName C1
SYMATTR Value 3.3µ
SYMBOL sw 2256 512 R180
WINDOW 0 -7 103 Right 2
WINDOW 3 -10 16 Right 2
SYMATTR InstName S1
SYMATTR Value 5mA
SYMBOL voltage 2544 432 M90
WINDOW 123 74 56 VTop 2
WINDOW 39 53 56 VTop 2
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 600u 10n 10n 200u 10m)
SYMBOL sw 2256 368 R180
WINDOW 0 -11 104 Right 2
WINDOW 3 -10 13 Right 2
SYMATTR InstName S2
SYMATTR Value 5mA
SYMBOL voltage 2544 288 M90
WINDOW 123 74 56 VTop 2
WINDOW 39 53 56 VTop 2
WINDOW 3 32 56 VTop 2
WINDOW 0 -32 56 VBottom 2
SYMATTR Value PULSE(0 1 100u 10n 10n 200u 10m)
SYMATTR InstName V3
SYMBOL LTC6655-3 1920 384 R0
SYMATTR InstName U1
TEXT 1952 536 Left 2 !.tran 1m\n.model 5mA SW(Ron=10 Roff=1G Vt=.5 Vh=-.2 Ilimit=5m level=2)
TEXT 1984 240 Bottom 2 ;Turn on and off 5mA of sink current\nand then on and off 5mA of source current