Version 4
SHEET 1 1404 680
WIRE 224 -64 -128 -64
WIRE -128 -48 -128 -64
WIRE -128 48 -128 16
WIRE -128 48 -304 48
WIRE -64 48 -128 48
WIRE 32 48 16 48
WIRE 224 48 224 -64
WIRE 224 48 112 48
WIRE 512 48 224 48
WIRE 512 64 512 48
WIRE 512 160 512 128
WIRE -304 176 -304 48
WIRE 224 192 224 48
WIRE 464 240 416 240
WIRE 176 272 128 272
WIRE 512 288 512 256
WIRE 128 320 128 272
WIRE -304 448 -304 256
WIRE 128 448 128 400
WIRE 128 448 -304 448
WIRE 224 448 224 288
WIRE 224 448 128 448
WIRE 416 448 416 320
WIRE 416 448 224 448
WIRE 512 448 512 368
WIRE 512 448 416 448
WIRE -304 464 -304 448
FLAG -304 464 0
SYMBOL voltage -304 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(0 4.5 0.1 3.4)
SYMBOL ind -80 64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 350µ
SYMATTR SpiceLine Rser=0
SYMBOL res 496 272 R0
SYMATTR InstName R1
SYMATTR Value 0.1
SYMBOL voltage 416 224 M0
WINDOW 0 24 104 Left 0
WINDOW 3 -230 244 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(4 0 0 0.01m 0.01m 1m 10m 5)
SYMBOL nmos 464 160 R0
SYMATTR InstName M1
SYMATTR Value FDC637AN
SYMBOL LED 496 64 R0
SYMATTR InstName D2
SYMATTR Value LXK2-PW14
SYMBOL schottky -112 -48 M0
SYMATTR InstName D3
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 128 304 M0
WINDOW 0 24 104 Left 0
WINDOW 3 -172 187 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value PULSE(0 4 .05 .010m .001m .01m .2m)
SYMBOL nmos 176 192 R0
SYMATTR InstName M2
SYMATTR Value FDC637AN
SYMBOL res 128 32 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName RL
SYMATTR Value 0.1
TEXT -272 464 Left 0 !.tran 100m startup