Version 4
SHEET 1 1860 740
WIRE -112 -336 -128 -336
WIRE 80 -336 -112 -336
WIRE 480 -336 272 -336
WIRE 720 -336 480 -336
WIRE 864 -336 720 -336
WIRE 960 -336 864 -336
WIRE 1296 -336 960 -336
WIRE 1360 -336 1296 -336
WIRE 80 -304 80 -336
WIRE 864 -304 864 -336
WIRE 272 -288 272 -336
WIRE 480 -288 480 -336
WIRE 720 -288 720 -336
WIRE 960 -288 960 -336
WIRE 864 -208 864 -224
WIRE 1360 -208 1360 -336
WIRE 80 -192 80 -224
WIRE 272 -176 272 -208
WIRE 960 -176 960 -208
WIRE 960 -176 896 -176
WIRE 960 -144 960 -176
WIRE 864 -48 864 -144
WIRE 960 -48 960 -64
WIRE 960 -48 864 -48
WIRE -112 -16 -112 -336
WIRE 480 32 480 -224
WIRE 512 32 480 32
WIRE 720 32 720 -224
WIRE 720 32 592 32
WIRE 960 32 720 32
WIRE 1008 32 960 32
WIRE 1296 32 1072 32
WIRE 1360 32 1360 -128
WIRE 1360 32 1296 32
WIRE 480 64 480 32
WIRE -112 80 -112 48
WIRE -32 80 -112 80
WIRE 208 80 -32 80
WIRE 368 80 272 80
WIRE 400 80 368 80
WIRE -112 112 -112 80
WIRE 864 128 864 -48
WIRE -32 144 -32 80
WIRE 128 144 -32 144
WIRE 272 144 192 144
WIRE 336 144 272 144
WIRE 400 144 400 80
WIRE 400 144 384 144
WIRE 432 144 400 144
WIRE 960 176 960 32
WIRE 960 176 928 176
WIRE -112 208 -112 176
WIRE -32 224 -32 144
WIRE 48 224 -32 224
WIRE 272 224 272 144
WIRE 272 224 128 224
WIRE -32 272 -32 224
WIRE -32 336 -32 272
WIRE 48 336 -32 336
WIRE 176 336 128 336
WIRE 272 336 272 224
WIRE 272 336 240 336
WIRE -32 416 -32 336
WIRE 96 464 32 464
WIRE 272 464 96 464
WIRE 304 464 272 464
WIRE 432 464 384 464
WIRE 480 464 480 160
WIRE 480 464 432 464
WIRE 624 464 480 464
WIRE 480 512 480 464
WIRE 624 512 624 464
WIRE -32 624 -32 512
WIRE 480 624 480 592
WIRE 624 624 624 576
WIRE 272 736 272 464
WIRE 864 736 864 224
WIRE 864 736 272 736
FLAG 480 624 0
FLAG 272 -176 0
FLAG -32 624 0
FLAG 624 624 0
FLAG 80 -192 0
FLAG -128 -336 VCC
FLAG -32 272 sawtooth
FLAG -112 208 0
FLAG 96 464 npn_base
FLAG 432 464 n_source
FLAG 368 80 gate
FLAG 1296 -336 battery_plus
FLAG 1296 32 battery_minus
SYMBOL voltage 272 -304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 16.5
SYMBOL ind 608 16 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName L1
SYMATTR Value 22µ
SYMBOL cap 704 -288 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL nmos 432 64 R0
SYMATTR InstName M1
SYMATTR Value IRLML6346
SYMBOL res 464 496 R0
SYMATTR InstName R1
SYMATTR Value 1R0
SYMBOL diode 1072 16 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D2
SYMATTR Value ES1D
SYMBOL voltage 1360 -224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(10 15 .3m 3m 1m 0 5m)
SYMBOL Digital\\schmtinv 128 80 R0
SYMATTR InstName A1
SYMATTR SpiceLine Vhigh=6 Vlow=0 Trise=5n Tfall=5n Rout=10
SYMBOL res 32 352 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R_off
SYMATTR Value 6k8
SYMBOL cap 272 64 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 68p
SYMBOL npn 32 416 M0
WINDOW 3 -56 111 Left 0
SYMATTR Value BC817-25
SYMATTR InstName Q1
SYMBOL res 400 448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 220
SYMBOL diode 240 320 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL cap 608 512 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL res 144 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R_on
SYMATTR Value 220k
SYMBOL Digital\\schmtinv 336 80 R0
SYMATTR InstName A2
SYMATTR SpiceLine Vhigh=6 Vlow=0 Trise=5n Tfall=5n Rout=10
SYMBOL voltage 80 -320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 6
SYMBOL diode -96 48 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL diode -96 176 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL schottky 496 -224 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value SS24
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 848 -320 R0
SYMATTR InstName R4
SYMATTR Value 4k7
SYMBOL res 944 -160 R0
SYMATTR InstName R6
SYMATTR Value 12k5
SYMBOL res 944 -304 R0
SYMATTR InstName R7
SYMATTR Value 120k
SYMBOL ZR431L 880 -208 M0
SYMATTR InstName U1
SYMBOL pnp 928 224 R180
SYMATTR InstName Q2
SYMATTR Value BC807-25
TEXT 952 608 Left 0 !.tran 0 3000u 300u uic