Version 4 SHEET 1 1380 680 WIRE -672 192 -672 112 WIRE -672 288 -672 256 WIRE -592 112 -672 112 WIRE -592 112 -592 -160 WIRE -592 176 -592 112 WIRE -592 288 -672 288 WIRE -592 288 -592 240 WIRE -496 160 -496 -16 WIRE -496 176 -496 160 WIRE -496 288 -592 288 WIRE -496 288 -496 240 WIRE -496 320 -496 288 WIRE -464 288 -496 288 WIRE -464 288 -464 -80 WIRE -432 -80 -464 -80 WIRE -432 -16 -496 -16 WIRE -432 48 -512 48 WIRE -432 112 -592 112 WIRE -176 112 -208 112 WIRE -176 192 -176 112 WIRE -176 288 -464 288 WIRE -176 288 -176 256 WIRE -144 -160 -592 -160 WIRE -144 -80 -208 -80 WIRE -144 -80 -144 -160 WIRE -144 288 -176 288 WIRE -144 288 -144 240 WIRE -48 48 -208 48 WIRE -48 160 -496 160 WIRE -48 160 -48 48 WIRE -16 -160 -144 -160 WIRE 0 -16 -208 -16 WIRE 0 -16 0 -80 WIRE 0 80 0 -16 WIRE 0 192 0 160 WIRE 32 -80 0 -80 WIRE 32 -16 0 -16 WIRE 96 112 96 96 WIRE 96 192 0 192 WIRE 96 192 96 176 WIRE 112 -160 -16 -160 WIRE 144 -80 96 -80 WIRE 144 -16 112 -16 WIRE 144 -16 144 -80 WIRE 144 48 -48 48 WIRE 144 48 144 -16 WIRE 160 96 96 96 WIRE 160 96 160 48 WIRE 192 48 160 48 WIRE 192 96 192 48 WIRE 192 240 -144 240 WIRE 192 240 192 160 WIRE 256 288 224 288 WIRE 272 -160 192 -160 WIRE 272 -112 272 -160 WIRE 272 -32 272 -112 WIRE 272 48 192 48 WIRE 272 48 272 -32 WIRE 320 -112 272 -112 WIRE 320 -32 272 -32 WIRE 336 48 272 48 WIRE 336 96 336 48 WIRE 336 240 192 240 WIRE 336 240 336 176 WIRE 368 288 336 288 WIRE 368 288 368 160 WIRE 448 -112 400 -112 WIRE 448 -32 384 -32 WIRE 448 -32 448 -112 WIRE 448 -16 448 -32 WIRE 448 64 448 48 WIRE 448 224 448 144 WIRE 448 336 448 304 WIRE 528 160 368 160 WIRE 528 208 528 160 WIRE 528 336 448 336 WIRE 528 336 528 272 WIRE 560 -160 272 -160 WIRE 576 160 528 160 WIRE 576 208 576 160 WIRE 576 336 528 336 WIRE 576 336 576 288 WIRE 608 160 576 160 WIRE 672 64 672 16 WIRE 672 96 672 64 WIRE 672 112 672 96 WIRE 672 336 576 336 WIRE 672 336 672 208 WIRE 688 -112 448 -112 WIRE 688 -64 688 -112 WIRE 688 16 672 16 WIRE 704 64 672 64 WIRE 752 -64 752 -112 WIRE 752 96 672 96 WIRE 752 128 752 96 WIRE 752 224 752 128 WIRE 752 336 672 336 WIRE 752 336 752 288 WIRE 784 -112 752 -112 WIRE 784 64 768 64 WIRE 784 64 784 -112 WIRE 816 -112 784 -112 WIRE 816 -64 816 -112 WIRE 816 16 752 16 WIRE 816 16 816 0 WIRE 816 336 752 336 WIRE 816 336 816 16 WIRE 848 -112 816 -112 WIRE 960 -112 912 -112 WIRE 1008 -112 960 -112 WIRE 1008 -80 1008 -112 WIRE 1008 16 816 16 WIRE 1008 16 1008 -16 WIRE 1056 -112 1008 -112 WIRE 1184 -112 1136 -112 WIRE 1184 -80 1184 -112 WIRE 1184 16 1008 16 WIRE 1184 16 1184 -16 WIRE 1184 48 1184 16 WIRE 1232 -112 1184 -112 WIRE 1296 -160 624 -160 WIRE 1296 -112 1232 -112 WIRE 1296 -112 1296 -160 WIRE 1296 -96 1296 -112 WIRE 1296 16 1184 16 WIRE 1296 16 1296 -16 FLAG -496 320 0 FLAG -512 48 Out555 FLAG 1232 -112 Out FLAG 752 128 High FLAG 960 -112 OutRect FLAG -16 -160 Alim555 FLAG 1184 48 0 FLAG 224 288 Out555 SYMBOL Robertugo\\555_ALL -272 32 R0 WINDOW 38 -79 78 Left 0 SYMATTR InstName U1 SYMBOL cap -512 176 R0 WINDOW 0 -29 9 Left 0 WINDOW 3 -47 52 Left 0 SYMATTR InstName C1 SYMATTR Value 820p SYMBOL res 128 -32 R90 WINDOW 0 15 95 VBottom 0 WINDOW 3 -12 10 VTop 0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL diode 32 -96 M90 WINDOW 0 13 -4 VBottom 0 WINDOW 3 -10 81 VTop 0 SYMATTR InstName D1 SYMATTR Value 1N914 SYMBOL res -16 64 R0 SYMATTR InstName R3 SYMATTR Value 150 SYMBOL diode 544 272 R180 WINDOW 0 44 -56 VRight 0 WINDOW 3 42 37 VRight 0 SYMATTR InstName DretInv1 SYMATTR Value 1N914 SYMBOL diode 624 -176 R90 WINDOW 0 58 119 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName Dalim1 SYMATTR Value MURS120 SYMBOL diode 432 48 M180 WINDOW 0 -45 64 VLeft 0 WINDOW 3 -16 78 VLeft 0 SYMATTR InstName Dpol1 SYMATTR Value MBRS1100 SYMBOL voltage 448 208 M0 WINDOW 0 34 22 VTop 0 WINDOW 3 -2 73 Bottom 0 WINDOW 123 41 81 Top 0 SYMATTR InstName VLocom1 SYMATTR Value 80v SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=1m SYMBOL res 416 -128 R90 WINDOW 0 -25 105 VTop 0 WINDOW 3 -25 45 VTop 0 SYMATTR InstName RDis1 SYMATTR Value 22k SYMATTR SpiceLine tol=10 pwr=5 SYMBOL res 352 272 R90 WINDOW 0 -14 32 VRight 0 WINDOW 3 47 45 VRight 0 SYMATTR InstName Rbuf1 SYMATTR Value 47 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 560 192 R0 WINDOW 0 96 50 Right 0 WINDOW 3 56 87 Right 0 SYMATTR InstName Rbmin1 SYMATTR Value 22 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL polcap 1024 -80 M0 WINDOW 3 -9 48 Right 0 WINDOW 0 -23 24 Right 0 SYMATTR Value 220µ SYMATTR InstName Cf1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=2.4 Rser=0.05 MTBF=0 Lser=2.1p ppPkg=1 SYMBOL polcap 1200 -80 M0 WINDOW 3 90 46 Right 0 WINDOW 0 86 25 Right 0 SYMATTR Value 220µ SYMATTR InstName Cf2 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=2.4 Rser=0.05 MTBF=0 Lser=2.1p ppPkg=1 SYMBOL ind 1152 -96 M270 WINDOW 0 62 10 VBottom 0 WINDOW 3 62 65 VBottom 0 SYMATTR InstName Lf1 SYMATTR Value 100µ SYMATTR SpiceLine Ipk=10 Rser=0.001 Rpar=0 Cpar=0 SYMBOL polcap 384 -48 R90 WINDOW 0 35 62 VTop 0 WINDOW 3 -31 74 VTop 0 SYMATTR InstName Cstart1 SYMATTR Value 47µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=100 Irms=210m Rser=0.37 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPR2A470MPH" type="Al electrolytic" ppPkg=1 SYMBOL cap 736 224 R0 WINDOW 0 13 3 Right 0 WINDOW 3 -9 32 Right 0 SYMATTR InstName Csnub1 SYMATTR Value 1n5 SYMBOL ind2 672 -80 R0 WINDOW 0 -3 64 VRight 0 WINDOW 3 -7 -6 VRight 0 SYMATTR InstName LP SYMATTR Value 904µ SYMATTR Type ind SYMATTR SpiceLine Rser=1 Rpar=1430 Cpar=5p SYMBOL ind2 768 32 R180 WINDOW 0 -4 32 VRight 0 WINDOW 3 -4 91 VRight 0 SYMATTR InstName LS SYMATTR Value 50µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.01 Rpar=110 SYMBOL diode 848 -96 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName Drect1 SYMATTR Value MBR735 SYMBOL npn3 608 112 R0 WINDOW 3 31 59 Left 0 WINDOW 0 34 34 Left 0 SYMATTR Value BU508 SYMATTR InstName Qout1 SYMBOL cap 800 -64 R0 WINDOW 0 97 30 Right 0 WINDOW 3 104 58 Right 0 SYMATTR InstName Csint1 SYMATTR Value {82n} SYMBOL res 432 48 R0 WINDOW 0 -47 65 Left 0 WINDOW 3 -47 90 Left 0 SYMATTR InstName Rlim1 SYMATTR Value 2R2 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL cap 768 48 R90 WINDOW 0 15 61 VBottom 0 WINDOW 3 -10 5 VTop 0 SYMATTR InstName Cps1 SYMATTR Value 10p SYMBOL res 1280 -112 R0 SYMATTR InstName RL SYMATTR Value 4 SYMBOL polcap 176 96 R0 WINDOW 3 5 56 Right 0 WINDOW 0 -8 34 Right 0 SYMATTR Value 220µ SYMATTR InstName Cf3 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=2.4 Rser=0.05 MTBF=0 Lser=2.1p ppPkg=1 SYMBOL res 320 80 R0 WINDOW 0 7 28 Right 0 WINDOW 3 -3 65 Right 0 SYMATTR InstName R_uFan1 SYMATTR Value 150 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL zener -576 240 R180 WINDOW 0 24 72 Left 0 WINDOW 3 -236 -10 Left 0 SYMATTR InstName D2 SYMATTR Value BZX84C10L SYMBOL res 208 -176 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 56 SYMBOL zener 112 176 R180 WINDOW 0 24 72 Left 0 WINDOW 3 -9 -28 Left 0 SYMATTR InstName D3 SYMATTR Value BZX84C6V2L SYMBOL polcap -688 192 R0 WINDOW 3 5 56 Right 0 WINDOW 0 -8 34 Right 0 SYMATTR Value .1µ SYMATTR InstName Cf4 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=2.4 Rser=0.05 MTBF=0 Lser=2.1p ppPkg=1 SYMBOL cap -192 192 R0 WINDOW 0 -29 9 Left 0 WINDOW 3 -47 52 Left 0 SYMATTR InstName C2 SYMATTR Value 10n TEXT -458 304 Left 0 !.tran 0 10m 0 startup TEXT 720 -120 VRight 0 !K1 LP LS .995 TEXT 336 -64 Left 0 ;x100V TEXT 680 280 Left 0 ;x250V TEXT 1200 0 Left 0 ;2R7min TEXT 456 -96 Left 0 ;Cheap & dirty(some\nfreq var) for 80V\n(Locomotive) to\n12V x 3A PWM\n Flyback. If short-\n circuit autostop!\n Ef(35W)>70%\n &Full NE555\n bipolar use. TEXT 712 -176 Left 0 ;.step param val 80n 120n 20n TEXT 1064 -176 Left 0 ;.option noopiter