Version 4
SHEET 1 900 680
WIRE -304 64 -352 64
WIRE -192 64 -224 64
WIRE -96 64 -112 64
WIRE 64 64 -96 64
WIRE 336 80 304 80
WIRE 480 80 400 80
WIRE 544 80 480 80
WIRE 672 80 624 80
WIRE 768 80 672 80
WIRE 832 80 768 80
WIRE -352 128 -352 64
WIRE 64 128 64 64
WIRE 304 128 304 80
WIRE 480 144 480 80
WIRE 672 144 672 80
WIRE 832 144 832 80
WIRE -96 160 -96 64
WIRE 0 240 -48 240
WIRE 64 240 64 208
WIRE -48 288 -48 240
WIRE 0 320 0 240
WIRE 16 320 0 320
WIRE -352 368 -352 208
WIRE -96 368 -96 224
WIRE -96 368 -352 368
WIRE -48 368 -96 368
WIRE 64 368 64 336
WIRE 64 368 -48 368
WIRE -96 384 -96 368
WIRE 304 384 304 208
WIRE 480 384 480 208
WIRE 480 384 304 384
WIRE 672 384 672 208
WIRE 672 384 480 384
WIRE 832 384 832 224
WIRE 832 384 672 384
WIRE 480 400 480 384
FLAG -96 384 0
FLAG 480 400 0
FLAG 768 80 Uout
SYMBOL ind2 48 224 M180
WINDOW 0 -7 76 Right 2
WINDOW 3 -7 42 Right 2
SYMATTR InstName L1
SYMATTR Value 100µ
SYMATTR Type ind
SYMBOL ind2 288 224 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 350µ
SYMATTR Type ind
SYMBOL voltage -352 112 R0
WINDOW 3 46 62 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 46 32 Left 2
SYMATTR Value 12V
SYMATTR InstName Usrc1
SYMBOL Misc\\EuropeanResistor -208 48 R90
WINDOW 0 3 56 VBottom 2
WINDOW 3 59 57 VBottom 2
SYMATTR InstName Rsrc1
SYMATTR Value 150m
SYMBOL cap -112 160 R0
WINDOW 3 41 49 Left 2
WINDOW 0 42 19 Left 2
SYMATTR Value 220µ
SYMATTR InstName C1
SYMBOL ind -208 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName Lsrc1
SYMATTR Value 10µ
SYMBOL voltage -48 272 R0
WINDOW 3 -12 153 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -11 123 Left 2
SYMATTR Value PULSE(0 10 0 0 0 0.0025 0.005)
SYMATTR InstName Ursc1
SYMBOL Misc\\EuropeanResistor 816 128 R0
WINDOW 3 31 68 Left 2
SYMATTR Value 24R
SYMATTR InstName RL1
SYMBOL diode 336 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -35 37 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 496 208 R180
WINDOW 0 -37 31 Left 2
WINDOW 3 -83 3 Left 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap 656 144 R0
WINDOW 3 48 45 Left 2
WINDOW 0 46 16 Left 2
SYMATTR Value 220µ
SYMATTR InstName C2
SYMBOL ind 640 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L4
SYMATTR Value 50µ
SYMBOL nmos 16 240 R0
SYMATTR InstName M1
TEXT 192 112 Bottom 2 !K1 L1 L2 1
TEXT -384 408 Left 2 !.tran 0.5