Version 4 SHEET 1 880 680 WIRE 288 -176 224 -176 WIRE 224 -144 224 -176 WIRE 224 -32 224 -64 WIRE -96 80 -112 80 WIRE -16 80 -96 80 WIRE 128 80 64 80 WIRE 176 80 128 80 WIRE 288 80 256 80 WIRE 320 80 288 80 WIRE 352 80 320 80 WIRE 464 80 432 80 WIRE -112 128 -112 80 WIRE 0 144 0 128 WIRE 288 144 288 80 WIRE 464 144 464 80 WIRE 48 192 48 128 WIRE 64 192 48 192 WIRE -112 256 -112 208 WIRE 288 256 288 208 WIRE 464 256 464 208 FLAG 464 256 0 FLAG 288 256 0 FLAG -112 256 0 FLAG 0 144 0 FLAG 224 -32 0 FLAG 288 -176 control IOPIN 288 -176 Out FLAG 64 192 control IOPIN 64 192 In FLAG 320 80 vc FLAG 128 80 vs FLAG -96 80 batt SYMBOL voltage -112 112 R0 SYMATTR InstName V1 SYMATTR Value 9 SYMBOL LED 448 144 R0 SYMATTR InstName D1 SYMATTR Value QTLP690C SYMATTR Description Diode SYMATTR Type diode SYMBOL res 336 96 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL cap 272 144 R0 WINDOW 39 24 92 Left 0 SYMATTR InstName C1 SYMATTR Value 1000µ SYMATTR SpiceLine Rpar=1Meg SYMBOL res 160 96 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 50 SYMBOL sw -32 80 R270 SYMATTR InstName S1 SYMATTR Value SW1 SYMBOL voltage 224 -160 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0.1 1u 1u 1 5) TEXT -128 344 Left 0 !.model sw1 sw(Ron=0.1 Roff=10G Vt=2.5 Vh=0) TEXT -136 -144 Left 0 !.tran 0 10 0 10m TEXT -128 -80 Left 0 ;Soft-off LED Circuit TEXT -128 304 Left 0 ;Switch Model