Version 4 SHEET 1 1240 852 WIRE -64 -304 -176 -304 WIRE 112 -304 -64 -304 WIRE 208 -304 112 -304 WIRE 304 -304 208 -304 WIRE 320 -304 304 -304 WIRE 464 -304 400 -304 WIRE 592 -304 544 -304 WIRE 672 -304 592 -304 WIRE 800 -304 736 -304 WIRE 912 -304 800 -304 WIRE 960 -304 912 -304 WIRE -176 -288 -176 -304 WIRE 960 -288 960 -304 WIRE 304 -272 304 -304 WIRE 800 -256 800 -304 WIRE -64 -208 -64 -304 WIRE 960 -208 960 -224 WIRE -176 -192 -176 -208 WIRE 592 -192 592 -304 WIRE 112 -176 112 -304 WIRE 208 -176 208 -304 WIRE 304 -176 304 -192 WIRE 400 -176 400 -304 WIRE 800 -160 800 -176 WIRE 800 -160 752 -160 WIRE 800 -144 800 -160 WIRE -64 -112 -64 -128 WIRE 48 -112 -64 -112 WIRE 544 -112 464 -112 WIRE -64 -96 -64 -112 WIRE 800 -48 800 -64 WIRE 48 -16 32 -16 WIRE 592 -16 592 -96 WIRE 592 -16 464 -16 WIRE -64 0 -64 -16 WIRE 592 0 592 -16 WIRE 32 80 32 -16 WIRE 48 80 32 80 WIRE 480 80 464 80 WIRE 592 96 592 80 WIRE 32 176 32 80 WIRE 48 176 32 176 WIRE 752 176 752 -160 WIRE 752 176 464 176 WIRE -144 272 -160 272 WIRE 48 272 -80 272 WIRE 912 272 912 -304 WIRE 912 272 464 272 WIRE -32 368 -48 368 WIRE 48 368 32 368 WIRE 912 368 912 352 WIRE 912 368 464 368 WIRE 912 448 912 368 WIRE 864 464 464 464 WIRE 480 560 464 560 WIRE 560 560 544 560 WIRE 912 576 912 544 WIRE 112 640 112 624 WIRE 208 640 208 624 WIRE 304 640 304 624 WIRE 416 640 416 624 WIRE 912 656 912 640 WIRE 112 720 112 704 WIRE 208 736 208 720 WIRE 416 736 416 704 WIRE 112 816 112 800 FLAG -176 -192 0 FLAG -64 0 0 FLAG -160 272 0 FLAG -48 368 0 FLAG 112 816 0 FLAG 208 736 0 FLAG 304 640 0 FLAG 416 736 0 FLAG 560 560 0 FLAG 480 80 0 FLAG 592 96 0 FLAG 912 656 0 FLAG 800 -48 0 FLAG 960 -208 0 FLAG 960 -304 OUT FLAG -176 -304 IN SYMBOL PowerProducts\\LT3796 256 224 R0 SYMATTR InstName U1 SYMBOL voltage -176 -304 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 36 SYMBOL res 304 -288 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 50m SYMBOL res -80 -224 R0 SYMATTR InstName R2 SYMATTR Value 499K SYMBOL res -80 -112 R0 SYMATTR InstName R3 SYMATTR Value 97.6K SYMBOL cap -80 256 R90 WINDOW 39 53 32 VTop 2 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR SpiceLine Rpar=40.2K SYMATTR InstName C1 SYMATTR Value 10n SYMBOL cap 32 352 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 96 640 R0 WINDOW 39 24 77 Left 2 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL res 192 624 R0 SYMATTR InstName R4 SYMATTR Value 31.6K SYMBOL cap 400 640 R0 SYMATTR InstName C4 SYMATTR Value .05µ SYMBOL cap 480 576 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 4.7µ SYMBOL nmos 544 -192 R0 WINDOW 0 57 12 Left 2 WINDOW 3 53 65 Left 2 SYMATTR InstName Q1 SYMATTR Value BSH114 SYMBOL res 576 -16 R0 SYMATTR InstName R5 SYMATTR Value 15m SYMBOL res 896 256 R0 SYMATTR InstName R6 SYMATTR Value 620m SYMBOL pmos 864 544 M180 WINDOW 0 62 69 Left 2 WINDOW 3 58 30 Left 2 SYMATTR InstName Q2 SYMATTR Value IRF9640 SYMBOL LED 896 576 R0 WINDOW 123 36 103 Left 2 SYMATTR Value2 N=25 SYMATTR InstName D1 SYMATTR Value LXHL-BW02 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 784 -272 R0 SYMATTR InstName R7 SYMATTR Value 1Meg SYMBOL res 784 -160 R0 SYMATTR InstName R8 SYMATTR Value 13.7K SYMBOL cap 944 -288 R0 WINDOW 123 30 62 Left 2 WINDOW 3 39 39 Left 2 SYMATTR Value2 x4 SYMATTR Value 2.2µ SYMATTR InstName C6 SYMATTR SpiceLine Rser=10m SYMBOL ind 448 -288 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 22µ SYMATTR SpiceLine Rser=20m SYMBOL schottky 672 -288 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value PDS5100 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 96 704 R0 SYMATTR InstName R9 SYMATTR Value 10K SYMBOL res 288 -288 R0 SYMATTR InstName R10 SYMATTR Value 2K TEXT 600 688 Left 2 !.tran 2m startup