Version 4 SHEET 1 1272 680 WIRE -544 0 -752 0 WIRE -256 0 -544 0 WIRE 96 0 -256 0 WIRE 416 0 384 0 WIRE 464 0 416 0 WIRE 560 0 464 0 WIRE 624 0 560 0 WIRE 736 0 624 0 WIRE -752 16 -752 0 WIRE 624 16 624 0 WIRE 736 16 736 0 WIRE 96 96 48 96 WIRE 416 96 416 0 WIRE 416 96 384 96 WIRE 464 96 464 0 WIRE -752 112 -752 96 WIRE 624 112 624 80 WIRE 736 112 736 96 WIRE -256 144 -256 0 WIRE -224 144 -256 144 WIRE 48 144 48 96 WIRE 48 144 0 144 WIRE 560 144 560 0 WIRE -544 176 -544 0 WIRE 240 176 240 160 WIRE -256 208 -256 144 WIRE -224 208 -256 208 WIRE 464 208 464 176 WIRE 464 208 0 208 WIRE -544 272 -544 256 WIRE -224 272 -544 272 WIRE 560 272 560 224 WIRE 560 272 0 272 WIRE -544 288 -544 272 WIRE 560 288 560 272 WIRE -224 336 -304 336 WIRE 32 336 0 336 WIRE -304 352 -304 336 WIRE -352 368 -448 368 WIRE 512 368 400 368 WIRE -544 384 -544 368 WIRE 400 384 400 368 WIRE 560 400 560 384 WIRE -448 416 -448 368 WIRE -160 416 -160 400 WIRE -80 416 -80 400 WIRE -304 448 -304 432 WIRE 400 480 400 464 WIRE -80 496 -80 480 WIRE -448 512 -448 496 FLAG -160 416 0 FLAG -80 496 0 FLAG -752 112 0 FLAG 240 176 0 FLAG 560 400 0 FLAG 400 480 0 FLAG 624 112 0 FLAG 736 112 0 FLAG 736 0 OUT FLAG 32 336 PGD FLAG -544 384 0 FLAG -752 0 IN FLAG -304 448 0 FLAG -448 512 0 FLAG -352 416 0 SYMBOL cap -96 416 R0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL voltage -448 400 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR Value PULSE(0 2 3 1u 1u 1 3 4) SYMATTR InstName V1 SYMBOL voltage -752 0 R0 WINDOW 123 24 146 Left 2 WINDOW 39 24 125 Left 2 SYMATTR Value PWL(0 0 1 6) SYMATTR InstName V2 SYMBOL res 448 80 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL res 544 128 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL cap 608 16 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL nmos 512 288 R0 SYMATTR InstName Q1 SYMATTR Value 2N7002 SYMBOL LTC2955-1 -112 272 R0 SYMATTR InstName U1 SYMBOL res -560 160 R0 SYMATTR InstName R3 SYMATTR Value 2320K SYMBOL res -560 272 R0 SYMATTR InstName R4 SYMATTR Value 402K SYMBOL sw -304 448 M180 WINDOW 0 19 98 Left 2 WINDOW 3 17 15 Left 2 SYMATTR InstName S1 SYMBOL voltage 400 368 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR Value PULSE(0 2 3.05 1u 1u 0.1 6 2) SYMATTR InstName V3 SYMBOL PowerProducts\\LT3010-5 240 48 R0 WINDOW 3 34 128 Left 2 SYMATTR InstName U2 SYMBOL res 720 0 R0 SYMATTR InstName Rload SYMATTR Value 100 TEXT 144 448 Left 2 !.tran 15 TEXT -88 536 Left 2 !.model SW SW(Ron=100 Roff=1G Vt=0.5 Vh=-.1)