Version 4 SHEET 1 880 680 WIRE 16 112 0 112 WIRE 336 112 96 112 WIRE 160 144 96 144 WIRE 192 144 160 144 WIRE 304 144 272 144 WIRE 336 144 336 112 WIRE 336 144 304 144 WIRE 96 160 96 144 WIRE 336 160 336 144 WIRE 0 208 0 112 WIRE 32 208 0 208 WIRE 304 240 304 144 WIRE 0 288 0 208 WIRE 96 288 96 256 WIRE 240 288 96 288 WIRE 336 288 336 224 WIRE 416 288 336 288 WIRE 464 288 416 288 WIRE 96 336 96 288 WIRE 336 336 336 288 WIRE 416 336 416 288 WIRE 160 352 160 144 WIRE 0 464 0 368 WIRE 96 464 96 416 WIRE 96 464 0 464 WIRE 160 464 160 416 WIRE 160 464 96 464 WIRE 304 464 304 336 WIRE 304 464 160 464 WIRE 336 464 336 400 WIRE 336 464 304 464 WIRE 416 464 416 416 WIRE 416 464 336 464 WIRE 0 480 0 464 FLAG 0 480 0 FLAG 464 288 Out IOPIN 464 288 Out SYMBOL npn2 240 240 R0 WINDOW 0 29 46 Left 0 WINDOW 3 -49 -2 Left 0 SYMATTR InstName Q1 SYMATTR Value BC546B SYMBOL Miscel\\pnp2 32 256 M180 WINDOW 0 64 72 Left 0 WINDOW 3 24 47 Left 0 SYMATTR InstName Q2 SYMATTR Value BC556B SYMBOL res -16 272 R0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL res 80 320 R0 WINDOW 0 -32 64 Left 0 WINDOW 3 -35 117 Left 0 SYMATTR InstName R2 SYMATTR Value 820 SYMBOL res 112 96 R90 WINDOW 0 45 96 VBottom 0 WINDOW 3 16 -5 VTop 0 SYMATTR InstName R3 SYMATTR Value 220k SYMBOL ind 176 160 R270 WINDOW 0 15 2 VTop 0 WINDOW 3 43 127 VBottom 0 SYMATTR InstName L1 SYMATTR Value 200µ SYMBOL schottky 320 160 R0 SYMATTR InstName D1 SYMATTR Value 1N5817 SYMATTR Description Diode SYMATTR Type diode SYMBOL polcap 320 336 R0 WINDOW 3 24 64 Left 0 SYMATTR InstName C1 SYMATTR Value 22µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=460m Rser=0.16 MTBF=3000 Lser=0 mfg="Nichicon" pn="UPL1C221MPH" type="Al electrolytic" ppPkg=1 SYMBOL Misc\\cell 160 352 R0 SYMATTR InstName Vcc SYMATTR Value 1.5v SYMBOL res 400 320 R0 SYMATTR InstName RL SYMATTR Value 270 TEXT 28 482 Left 0 !.tran 50m startup