Version 4 SHEET 1 1296 1332 WIRE -144 -112 -272 -112 WIRE 240 -112 -144 -112 WIRE 384 -112 240 -112 WIRE 576 -112 464 -112 WIRE 624 -112 576 -112 WIRE 720 -112 688 -112 WIRE 816 -112 720 -112 WIRE 944 -112 816 -112 WIRE -272 -96 -272 -112 WIRE -144 -96 -144 -112 WIRE 816 -96 816 -112 WIRE 240 -64 240 -112 WIRE 576 -16 576 -112 WIRE 816 -16 816 -32 WIRE -272 0 -272 -16 WIRE -144 0 -144 -16 WIRE 64 0 -144 0 WIRE 432 0 416 0 WIRE 512 0 496 0 WIRE -144 16 -144 0 WIRE 64 64 48 64 WIRE 528 64 416 64 WIRE 720 64 720 -112 WIRE 944 96 944 -112 WIRE 944 96 848 96 WIRE -144 112 -144 96 WIRE 944 112 944 96 WIRE 64 128 48 128 WIRE 576 128 576 80 WIRE 576 128 416 128 WIRE 576 144 576 128 WIRE 720 160 720 144 WIRE 720 160 672 160 WIRE 720 176 720 160 WIRE 48 192 48 128 WIRE 48 192 -208 192 WIRE 64 192 48 192 WIRE 944 208 944 192 WIRE 944 208 880 208 WIRE 944 240 944 208 WIRE -144 256 -160 256 WIRE 64 256 -80 256 WIRE 672 256 672 160 WIRE 672 256 416 256 WIRE 720 272 720 256 WIRE -16 320 -32 320 WIRE 64 320 48 320 WIRE 848 320 848 96 WIRE 848 320 416 320 WIRE 944 368 944 304 WIRE -112 384 -144 384 WIRE 64 384 -32 384 WIRE 880 384 880 208 WIRE 880 384 416 384 WIRE -208 448 -208 192 WIRE 64 448 -208 448 WIRE 896 448 416 448 WIRE 944 480 944 464 WIRE 240 528 240 512 FLAG 512 0 0 FLAG 576 224 0 FLAG 720 272 0 FLAG 816 -16 0 FLAG -272 0 0 FLAG -144 112 0 FLAG -160 256 0 FLAG 944 480 0 FLAG -32 320 0 FLAG -144 384 0 FLAG 240 528 0 FLAG -272 -112 IN FLAG 48 64 0 SYMBOL cap 432 16 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL nmos 528 -16 R0 SYMATTR InstName Q1 SYMATTR Value Si4850EY SYMBOL res 560 128 R0 SYMATTR InstName R1 SYMATTR Value 10m SYMBOL ind 368 -96 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 22µ SYMATTR SpiceLine Rpar=2K SYMBOL res 704 48 R0 SYMATTR InstName R2 SYMATTR Value 2Meg SYMBOL res 704 160 R0 SYMATTR InstName R3 SYMATTR Value 57K SYMBOL schottky 624 -96 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS360 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 928 96 R0 SYMATTR InstName R4 SYMATTR Value .1 SYMBOL cap 800 -96 R0 SYMATTR InstName C2 SYMATTR Value 5µ SYMBOL voltage -272 -112 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL res -160 -112 R0 SYMATTR InstName R5 SYMATTR Value 1Meg SYMBOL res -160 0 R0 SYMATTR InstName R6 SYMATTR Value 200K SYMBOL cap -80 240 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 29 32 VTop 2 WINDOW 39 51 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 1000p SYMATTR SpiceLine Rser=10K SYMBOL nmos 896 368 R0 SYMATTR InstName Q2 SYMATTR Value Si4850EY SYMBOL LED 928 240 R0 WINDOW 3 29 67 Left 2 WINDOW 123 23 95 Left 2 SYMATTR Value LXK2-PW14 SYMATTR Value2 N=10 SYMATTR InstName D2 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 48 304 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .01µ SYMBOL res -16 368 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 28.7K SYMBOL PowerProducts\\LT3755-1 240 224 R0 SYMATTR InstName U1 TEXT 560 480 Left 2 !.tran 2m startup