Version 4
SHEET 1 3476 820
WIRE 736 -320 -496 -320
WIRE 1536 -320 736 -320
WIRE 2160 -320 1536 -320
WIRE 2672 -320 2160 -320
WIRE 3216 -320 2672 -320
WIRE 3456 -320 3216 -320
WIRE 3216 -112 3216 -320
WIRE 736 -80 736 -320
WIRE 3456 -48 3456 -320
WIRE -128 -32 -304 -32
WIRE 160 -32 -64 -32
WIRE 272 -32 160 -32
WIRE 672 -32 272 -32
WIRE 3216 -16 3216 -32
WIRE 1536 0 1536 -320
WIRE 1072 48 896 48
WIRE 1312 48 1136 48
WIRE 1376 48 1312 48
WIRE 1472 48 1376 48
WIRE -496 64 -496 -320
WIRE 160 112 160 -32
WIRE 3216 112 3216 64
WIRE 3456 112 3456 16
WIRE 3456 112 3216 112
WIRE 272 128 272 -32
WIRE -304 144 -304 -32
WIRE 2160 144 2160 -320
WIRE 2672 144 2672 -320
WIRE 1376 192 1376 48
WIRE 1312 208 1312 48
WIRE 160 224 160 192
WIRE 272 224 272 192
WIRE 896 224 896 48
WIRE -304 256 -304 224
WIRE 1312 304 1312 272
WIRE 1376 304 1376 272
WIRE 896 336 896 304
WIRE 3216 352 3216 112
WIRE 736 368 736 16
WIRE -128 416 -320 416
WIRE 160 416 -64 416
WIRE 272 416 160 416
WIRE 672 416 272 416
WIRE 3168 432 3152 432
WIRE 2160 464 2160 224
WIRE 2304 464 2160 464
WIRE 2672 480 2672 224
WIRE 3088 480 2672 480
WIRE 3152 480 3152 432
WIRE 3152 480 3088 480
WIRE 3088 544 3088 480
WIRE -320 560 -320 416
WIRE 160 576 160 416
WIRE -496 592 -496 144
WIRE 272 592 272 416
WIRE 2160 624 2160 464
WIRE 2672 624 2672 480
WIRE 3088 624 3088 608
WIRE 3216 624 3216 448
WIRE 3216 624 3088 624
WIRE -320 672 -320 640
WIRE 736 672 736 464
WIRE 1536 672 1536 96
WIRE 1536 672 736 672
WIRE 1664 672 1536 672
WIRE 1776 672 1728 672
WIRE 1936 672 1856 672
WIRE 2096 672 1936 672
WIRE 2304 672 2304 464
WIRE 2496 672 2304 672
WIRE 2608 672 2576 672
WIRE 3216 672 3216 624
WIRE 160 688 160 656
WIRE 272 688 272 656
WIRE 1936 688 1936 672
WIRE 1936 800 1936 768
WIRE 2160 800 2160 720
WIRE 2672 800 2672 720
FLAG 160 224 0
FLAG 160 688 0
FLAG -496 592 0
FLAG 3216 672 0
FLAG -304 256 0
FLAG -320 672 0
FLAG 1936 800 0
FLAG 2160 800 0
FLAG 2672 800 0
FLAG 1376 304 0
FLAG 896 336 0
FLAG 272 688 0
FLAG 272 224 0
FLAG 1312 304 0
SYMBOL pnp 672 16 M180
SYMATTR InstName Q1
SYMATTR Value 2N2907
SYMBOL pnp 672 464 M180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL res 144 96 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 144 560 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL voltage -496 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=1m
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL nmos 3168 352 R0
SYMATTR InstName M1
SYMATTR Value BUK9K5260E
SYMBOL res 3200 -128 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL voltage -304 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR InstName V2
SYMATTR Value PULSE(24 0 0 1m 1m 500m 2)
SYMBOL voltage -320 544 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR InstName V3
SYMATTR Value PULSE(24 0 0 1m 1m 750m 2)
SYMBOL schottky -128 -16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -128 432 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 3200 -32 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMBOL schottky 3472 16 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1728 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2µ2
SYMBOL zener 3104 608 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value MMBZ12VALY
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn 2096 624 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL res 1920 672 R0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res 2144 128 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL npn 2608 624 R0
SYMATTR InstName Q4
SYMATTR Value 2N2222
SYMBOL res 2656 128 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL pnp 1472 96 M180
SYMATTR InstName Q5
SYMATTR Value 2N2907
SYMBOL res 1360 176 R0
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL voltage 896 208 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR InstName V4
SYMATTR Value PULSE(24 0 3 1m 1m 900m 4)
SYMBOL schottky 1072 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1872 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL res 2592 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 100k
SYMBOL cap 256 128 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL cap 256 592 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL cap 1296 208 R0
SYMATTR InstName C4
SYMATTR Value 1µ
TEXT -528 632 Left 2 !.tran 4