Version 4
SHEET 1 1860 1036
WIRE -192 16 -192 -336
WIRE -192 272 -192 208
WIRE -192 368 -192 352
WIRE -176 80 -176 -64
WIRE -176 256 -176 144
WIRE -160 16 -192 16
WIRE -160 80 -176 80
WIRE -160 144 -176 144
WIRE -160 208 -192 208
WIRE -96 -64 -176 -64
WIRE 80 -64 -16 -64
WIRE 80 16 64 16
WIRE 80 16 80 0
WIRE 96 -336 -192 -336
WIRE 96 -320 96 -336
WIRE 96 -224 96 -240
WIRE 96 16 80 16
WIRE 128 -64 80 -64
WIRE 128 80 64 80
WIRE 128 80 128 -64
WIRE 160 -64 128 -64
WIRE 160 -48 160 -64
WIRE 160 32 160 16
WIRE 160 144 64 144
WIRE 160 144 160 112
WIRE 208 144 160 144
WIRE 256 -336 96 -336
WIRE 256 -240 256 -336
WIRE 256 -144 256 -176
WIRE 256 64 256 -144
WIRE 256 256 -176 256
WIRE 256 256 256 160
WIRE 256 272 256 256
WIRE 256 368 256 352
WIRE 272 -144 256 -144
WIRE 368 -336 256 -336
WIRE 368 -288 368 -336
WIRE 368 -144 352 -144
WIRE 368 -144 368 -224
WIRE 368 -16 368 -144
WIRE 368 208 64 208
WIRE 368 208 368 48
WIRE 368 272 368 208
WIRE 368 368 368 352
WIRE 416 -336 368 -336
WIRE 416 -144 368 -144
WIRE 448 -336 416 -336
WIRE 448 -288 448 -336
WIRE 448 -144 416 -144
WIRE 448 -144 448 -224
FLAG 256 368 0
FLAG 96 -224 0
FLAG 96 16 0
FLAG 416 -336 Ub+
FLAG 416 -144 Ub-
FLAG -192 368 0
FLAG 368 368 0
SYMBOL voltage 96 -336 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -24 100 Right 0
SYMATTR InstName DC_source
SYMATTR Value 16.5
SYMBOL ind 368 -160 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName L1
SYMATTR Value 47µ
SYMBOL cap 384 -288 M0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL nmos 208 64 R0
SYMATTR InstName M1
SYMATTR Value FDS4410
SYMBOL res 240 256 R0
SYMATTR InstName R1
SYMATTR Value 1R0
SYMBOL schottky 272 -176 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL misc\\NE555 -48 112 M0
WINDOW 0 -4 -14 Center 0
WINDOW 3 -7 -58 Center 0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor -208 256 R0
WINDOW 0 16 73 VLeft 0
SYMATTR InstName R2
SYMATTR Value 470
SYMBOL Misc\\EuropeanResistor -112 -80 M90
WINDOW 0 30 58 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 22k
SYMBOL diode 144 16 M180
WINDOW 0 24 72 Left 0
WINDOW 3 -34 103 Left 0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 144 128 M180
WINDOW 0 17 72 VLeft 0
WINDOW 3 31 40 Left 0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap 96 -64 M0
WINDOW 0 39 29 Left 0
WINDOW 3 46 -22 Right 0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL zener 352 48 M180
WINDOW 0 24 72 Left 0
WINDOW 3 41 30 Left 0
SYMATTR InstName D4
SYMATTR Value BZX84C10L
SYMBOL Misc\\EuropeanResistor 352 368 M180
WINDOW 0 17 72 VLeft 0
WINDOW 3 31 40 Left 0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL cap 432 -288 R0
SYMATTR InstName C3
SYMATTR Value 10m
TEXT -192 -408 Left 0 !.tran 0 1 0 uic