Version 4
SHEET 1 1440 1216
WIRE -928 48 -1040 48
WIRE 160 48 -848 48
WIRE -448 224 -880 224
WIRE -448 256 -448 224
WIRE 160 256 160 48
WIRE 288 256 160 256
WIRE 496 256 352 256
WIRE 624 256 496 256
WIRE -480 272 -752 272
WIRE -1040 288 -1040 48
WIRE -80 288 -416 288
WIRE -480 304 -544 304
WIRE 160 336 160 256
WIRE 624 352 624 256
WIRE -880 368 -880 224
WIRE 496 368 496 256
WIRE -752 384 -752 272
WIRE -544 384 -544 304
WIRE -80 416 -80 288
WIRE 112 416 -80 416
WIRE -1040 496 -1040 368
WIRE -880 496 -880 448
WIRE -880 496 -1040 496
WIRE -752 496 -752 464
WIRE -752 496 -880 496
WIRE -544 496 -544 464
WIRE -544 496 -752 496
WIRE -448 496 -448 320
WIRE -448 496 -544 496
WIRE 160 496 160 432
WIRE 160 496 -448 496
WIRE 496 496 496 432
WIRE 496 496 160 496
WIRE 624 496 624 432
WIRE 624 496 496 496
WIRE 496 512 496 496
FLAG 496 512 0
SYMBOL voltage -1040 272 R0
SYMATTR InstName V1
SYMATTR Value 10V
SYMBOL nmos 112 336 R0
SYMATTR InstName M1
SYMATTR Value IRFS4010
SYMBOL diode 288 272 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value RF1601NS2D
SYMBOL cap 480 368 R0
SYMATTR InstName C1
SYMATTR Value 22µF
SYMBOL res 608 336 R0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL ind -944 64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 40µ
SYMBOL voltage -544 368 R0
SYMATTR InstName V3
SYMATTR Value PULSE(0 5 0 20u 1u 1u 20u)
SYMBOL voltage -752 368 R0
SYMATTR InstName V4
SYMATTR Value PWL(0 0 0.5s 5)
SYMBOL Comparators/LTC1441 -448 224 R0
SYMATTR InstName U1
SYMBOL voltage -880 352 R0
SYMATTR InstName V2
SYMATTR Value 12V
TEXT 440 72 Left 2 !.tran 0 0.6s