Version 4
SHEET 1 1448 1332
WIRE -48 -112 -304 -112
WIRE 240 -112 -48 -112
WIRE 384 -112 240 -112
WIRE 576 -112 464 -112
WIRE 624 -112 576 -112
WIRE 720 -112 688 -112
WIRE 784 -112 720 -112
WIRE 912 -112 784 -112
WIRE -304 -96 -304 -112
WIRE -48 -96 -48 -112
WIRE 784 -96 784 -112
WIRE 240 -64 240 -112
WIRE 576 -16 576 -112
WIRE 784 -16 784 -32
WIRE -304 0 -304 -16
WIRE -48 0 -48 -16
WIRE 64 0 -48 0
WIRE 432 0 416 0
WIRE 512 0 496 0
WIRE -48 16 -48 0
WIRE 912 48 912 -112
WIRE 912 48 816 48
WIRE 528 64 416 64
WIRE 720 64 720 -112
WIRE 912 64 912 48
WIRE -48 112 -48 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 912 160 912 144
WIRE 912 160 848 160
WIRE 720 176 720 160
WIRE 48 192 48 128
WIRE 64 192 48 192
WIRE 912 240 912 160
WIRE -32 256 -48 256
WIRE 64 256 32 256
WIRE 672 256 672 160
WIRE 672 256 416 256
WIRE 720 272 720 256
WIRE -352 320 -448 320
WIRE -240 320 -272 320
WIRE 64 320 -240 320
WIRE 816 320 816 48
WIRE 816 320 416 320
WIRE -448 336 -448 320
WIRE -240 336 -240 320
WIRE 912 368 912 304
WIRE -80 384 -96 384
WIRE 64 384 0 384
WIRE 848 384 848 160
WIRE 848 384 416 384
WIRE -240 416 -240 400
WIRE -448 432 -448 416
WIRE -16 448 -96 448
WIRE 64 448 48 448
WIRE 864 448 416 448
WIRE 912 480 912 464
WIRE 240 528 240 512
FLAG 512 0 0
FLAG 576 224 0
FLAG 720 272 0
FLAG 784 -16 0
FLAG -304 0 0
FLAG -48 112 0
FLAG -48 256 0
FLAG -96 384 0
FLAG 240 528 0
FLAG -304 -112 IN
FLAG 912 480 0
FLAG -240 416 0
FLAG -96 448 0
FLAG -448 432 0
SYMBOL cap 432 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL nmos 528 -16 R0
SYMATTR InstName Q1
SYMATTR Value IRF1310
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 10µ
SYMATTR SpiceLine Rser=10m Rpar=2K
SYMBOL res 704 48 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 704 160 R0
SYMATTR InstName R3
SYMATTR Value 16.9K
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 896 48 R0
SYMATTR InstName R4
SYMATTR Value .25
SYMBOL cap 768 -96 R0
WINDOW 123 33 62 Left 2
WINDOW 3 40 35 Left 2
SYMATTR Value2 x4
SYMATTR Value 2.2µ
SYMATTR InstName C2
SYMATTR SpiceLine Rser=10m
SYMBOL voltage -304 -112 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PWL(0 0 .2m 48)
SYMATTR InstName V1
SYMBOL res -64 -112 R0
SYMATTR InstName R5
SYMATTR Value 499K
SYMBOL res -64 0 R0
SYMATTR InstName R6
SYMATTR Value 90.9K
SYMBOL cap 32 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
WINDOW 39 53 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=5.1K
SYMBOL cap -256 336 R0
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
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL LED 896 240 R0
WINDOW 3 29 67 Left 2
WINDOW 123 23 95 Left 2
SYMATTR Value LXK2-PW14
SYMATTR Value2 N=17
SYMATTR InstName D4
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LT3761 240 224 R0
SYMATTR InstName U1
SYMBOL cap 48 432 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 47n
SYMBOL nmos 864 368 R0
SYMATTR InstName Q2
SYMATTR Value IRF1310
SYMBOL voltage -448 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL res -368 304 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 124K
TEXT 560 480 Left 2 !.tran 20m startup