Version 4
SHEET 1 1296 1268
WIRE -272 -128 -384 -128
WIRE -176 -128 -272 -128
WIRE 240 -128 -176 -128
WIRE 464 -128 240 -128
WIRE 576 -128 544 -128
WIRE 624 -128 576 -128
WIRE 720 -128 688 -128
WIRE 816 -128 720 -128
WIRE 944 -128 816 -128
WIRE -384 -112 -384 -128
WIRE -176 -112 -176 -128
WIRE 816 -112 816 -128
WIRE 432 -80 -48 -80
WIRE 240 -64 240 -128
WIRE 816 -32 816 -48
WIRE -384 -16 -384 -32
WIRE -176 -16 -176 -32
WIRE 64 -16 -176 -16
WIRE 432 -16 432 -80
WIRE 432 -16 416 -16
WIRE 512 -16 496 -16
WIRE -176 0 -176 -16
WIRE 720 48 720 -128
WIRE -48 64 -48 -80
WIRE -32 64 -48 64
WIRE 64 64 48 64
WIRE 576 64 576 -128
WIRE 576 64 416 64
WIRE -176 96 -176 80
WIRE 944 96 944 -128
WIRE 944 96 864 96
WIRE 944 112 944 96
WIRE -272 128 -272 -128
WIRE 64 144 48 144
WIRE 720 144 720 128
WIRE 720 144 416 144
WIRE 720 160 720 144
WIRE -272 224 -272 208
WIRE 64 224 -272 224
WIRE 496 224 416 224
WIRE 944 224 944 192
WIRE 944 224 896 224
WIRE -272 240 -272 224
WIRE 944 240 944 224
WIRE 720 256 720 240
WIRE 496 288 496 224
WIRE 864 288 864 96
WIRE 864 288 496 288
WIRE -16 304 -32 304
WIRE 64 304 48 304
WIRE 464 304 416 304
WIRE 464 320 464 304
WIRE 896 320 896 224
WIRE 896 320 464 320
WIRE -272 336 -272 320
WIRE -96 384 -160 384
WIRE 64 384 -16 384
WIRE 448 384 416 384
WIRE 528 384 512 384
WIRE 944 384 944 304
WIRE -240 464 -256 464
WIRE 64 464 -160 464
WIRE 896 464 416 464
WIRE 944 496 944 480
WIRE 240 528 240 512
FLAG 512 -16 0
FLAG 720 256 0
FLAG 816 -32 0
FLAG -384 -16 0
FLAG -176 96 0
FLAG 528 384 0
FLAG 944 496 0
FLAG -32 304 0
FLAG -160 384 0
FLAG 240 528 0
FLAG -256 464 0
FLAG -384 -128 IN
FLAG -272 336 0
SYMBOL cap 432 0 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL ind 448 -112 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 32 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 704 144 R0
SYMATTR InstName R3
SYMATTR Value 16.2K
SYMBOL schottky 624 -112 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 .68
SYMBOL cap 800 -112 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL voltage -384 -128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res -192 -128 R0
SYMATTR InstName R5
SYMATTR Value 332K
SYMBOL res -192 -16 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL cap 448 368 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 29 32 VTop 2
WINDOW 39 50 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=34K
SYMBOL nmos 896 384 R0
SYMATTR InstName Q2
SYMATTR Value Si7850DP
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 48 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .001µ
SYMBOL res 0 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 28.7K
SYMBOL voltage -144 464 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMBOL res -48 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL res -288 112 R0
SYMATTR InstName R9
SYMATTR Value 332K
SYMBOL res -288 224 R0
SYMATTR InstName R10
SYMATTR Value 40.2K
SYMBOL PowerProducts\\LT3956 240 224 R0
SYMATTR InstName U1
TEXT 616 496 Left 2 !.tran 3m startup