Version 4
SHEET 1 988 804
WIRE 192 -208 192 -224
WIRE 192 -128 192 -144
WIRE -48 -96 -208 -96
WIRE -16 -96 -48 -96
WIRE 448 -96 400 -96
WIRE -208 -80 -208 -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 -208 16 -208 0
WIRE -128 64 -208 64
WIRE -48 64 -128 64
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 -208 96 -208 64
WIRE -128 112 -128 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 -208 192 -208 160
WIRE 752 192 752 -16
WIRE 752 192 688 192
WIRE 752 208 752 192
WIRE -128 224 -128 192
WIRE -16 224 -128 224
WIRE 688 224 688 192
WIRE 688 224 400 224
WIRE -128 256 -128 224
WIRE 752 304 752 288
WIRE 752 304 400 304
WIRE -128 352 -128 336
WIRE 752 368 752 304
WIRE -16 384 -32 384
WIRE 704 384 400 384
WIRE -96 464 -112 464
WIRE -16 464 -32 464
WIRE 752 480 752 464
WIRE -144 544 -160 544
WIRE -16 544 -64 544
WIRE 416 544 400 544
WIRE 752 560 752 544
WIRE 128 592 128 576
WIRE 272 592 272 576
WIRE 272 672 272 656
WIRE 128 688 128 672
WIRE 272 784 272 752
FLAG -208 16 0
FLAG -32 384 0
FLAG 416 544 0
FLAG 192 -224 0
FLAG -160 544 0
FLAG 128 688 0
FLAG 672 80 0
FLAG 752 560 0
FLAG -208 -96 IN
FLAG 752 -16 OUT
FLAG 624 144 0
FLAG -208 192 0
FLAG -112 464 0
FLAG 272 784 0
FLAG -128 352 0
SYMBOL voltage -208 -96 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL res -48 528 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 28.7K
SYMBOL res 112 576 R0
SYMATTR InstName R2
SYMATTR Value 45.3K
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 100µ
SYMATTR SpiceLine Rser=5m
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 512 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL PowerProducts\\LT3932 192 224 R0
SYMATTR InstName U1
SYMBOL cap -224 96 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap -32 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 3.3n
SYMBOL cap 256 592 R0
WINDOW 3 34 51 Left 2
WINDOW 0 40 14 Left 2
SYMATTR Value 10n
SYMATTR InstName C2
SYMBOL res 256 656 R0
SYMATTR InstName R6
SYMATTR Value 160k
SYMBOL res -144 96 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res -144 240 R0
SYMATTR InstName R8
SYMATTR Value 191k
TEXT 528 640 Left 2 !.tran 2m startup