Version 4
SHEET 1 1104 680
WIRE 80 32 -320 32
WIRE 304 32 160 32
WIRE 496 32 304 32
WIRE 592 32 560 32
WIRE 752 32 592 32
WIRE 1024 32 1024 16
WIRE 1024 32 752 32
WIRE 592 160 592 32
WIRE -320 176 -320 112
WIRE 752 176 752 32
WIRE 304 240 304 32
WIRE -48 320 -288 320
WIRE 64 320 -48 320
WIRE 256 320 144 320
WIRE -288 352 -288 320
WIRE -288 496 -288 432
WIRE 304 560 304 336
WIRE 592 560 592 224
WIRE 592 560 304 560
WIRE 752 560 752 256
WIRE 752 560 592 560
WIRE 752 624 752 560
FLAG 752 624 0
FLAG -288 496 0
FLAG -320 176 0
FLAG 1024 16 Out
IOPIN 1024 16 Out
FLAG -48 320 Vpulse
SYMBOL cap 576 160 R0
SYMATTR InstName C1
SYMATTR Value 1000µ
SYMATTR SpiceLine V=100 Irms=1.33 Rser=0.047 Lser=0 mfg="Nichicon" pn="UPR2A102MRH" type="Al electrolytic"
SYMBOL ind 64 48 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 6 58 VBottom 0
SYMATTR InstName L1
SYMATTR Value 60µ
SYMATTR SpiceLine Ipk=20 Rser=0.005 Rpar=0 Cpar=0 mfg="Hurricane" pn="HL-8113"
SYMBOL schottky 496 48 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value MBR20100CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 48 336 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 33R
SYMBOL voltage -288 336 R0
WINDOW 3 -5 -74 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 0 1ns 1ns 10us 20us 100000)
SYMATTR InstName V2
SYMBOL Misc\\battery -320 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 46 58 Left 0
SYMATTR InstName V3
SYMATTR Value 4
SYMBOL nmos\\IRFB4110pbf 256 240 R0
SYMATTR InstName U1
SYMBOL res 736 160 R0
SYMATTR InstName R1
SYMATTR Value 100
TEXT -320 648 Left 0 !.tran .001 startup