Version 4 SHEET 1 988 728 WIRE 192 -208 192 -224 WIRE 192 -128 192 -144 WIRE -48 -96 -160 -96 WIRE -16 -96 -48 -96 WIRE 448 -96 400 -96 WIRE -160 -80 -160 -96 WIRE -48 -16 -48 -96 WIRE -16 -16 -48 -16 WIRE 448 -16 448 -32 WIRE 448 -16 400 -16 WIRE 512 -16 448 -16 WIRE 624 -16 592 -16 WIRE 672 -16 624 -16 WIRE 752 -16 672 -16 WIRE 672 0 672 -16 WIRE -160 16 -160 0 WIRE -16 64 -48 64 WIRE 448 64 400 64 WIRE 624 64 624 -16 WIRE 624 64 448 64 WIRE 672 80 672 64 WIRE -48 144 -48 64 WIRE -16 144 -48 144 WIRE 448 144 400 144 WIRE 528 144 448 144 WIRE 624 144 608 144 WIRE 752 192 752 -16 WIRE 752 192 688 192 WIRE 752 208 752 192 WIRE -48 224 -48 144 WIRE -16 224 -48 224 WIRE 688 224 688 192 WIRE 688 224 400 224 WIRE 752 304 752 288 WIRE 752 304 400 304 WIRE 752 368 752 304 WIRE -16 384 -32 384 WIRE 704 384 400 384 WIRE -112 464 -144 464 WIRE -16 464 -48 464 WIRE 752 480 752 464 WIRE -128 544 -144 544 WIRE -16 544 -48 544 WIRE 416 544 400 544 WIRE 752 560 752 544 WIRE 128 592 128 576 WIRE 272 592 272 576 WIRE 128 688 128 672 WIRE 272 688 272 656 FLAG -160 16 0 FLAG -32 384 0 FLAG 416 544 0 FLAG 192 -224 0 FLAG -144 464 0 FLAG -144 544 0 FLAG 128 688 0 FLAG 272 688 0 FLAG 672 80 0 FLAG 752 560 0 FLAG -160 -96 IN FLAG 752 -16 OUT FLAG 624 144 0 SYMBOL voltage -160 -96 R0 SYMATTR InstName V1 SYMATTR Value 20 SYMBOL cap -48 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 1n SYMBOL res -32 528 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 28.7K SYMBOL res 112 688 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R2 SYMATTR Value 45K SYMBOL cap 256 592 R0 WINDOW 123 24 59 Left 2 WINDOW 3 43 36 Left 2 SYMATTR Value2 Rser=10K SYMATTR InstName C2 SYMATTR Value 250p SYMBOL cap 176 -208 R0 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL cap 432 -96 R0 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL ind 496 0 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 8.2µ SYMATTR Value2 Rser=10m SYMBOL cap 656 0 R0 SYMATTR InstName C5 SYMATTR Value 4.7µ SYMBOL res 736 192 R0 SYMATTR InstName R3 SYMATTR Value 50m SYMBOL LED 736 480 R0 WINDOW 123 43 68 Left 2 WINDOW 3 79 37 Left 2 SYMATTR Value2 n=3 SYMATTR Value LXHL-BW02 SYMATTR InstName D1 SYMATTR Description Diode SYMATTR Type diode SYMBOL pmos 704 464 M180 WINDOW 0 60 76 Left 2 WINDOW 3 59 40 Left 2 SYMATTR InstName M1 SYMATTR Value IRF7343P SYMBOL res 432 48 R0 SYMATTR InstName R4 SYMATTR Value 110K SYMBOL res 624 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL PowerProducts\\LT3932 192 224 R0 SYMATTR InstName U1 TEXT 600 624 Left 2 !.tran 2m startup