Version 4 SHEET 1 880 680 WIRE -2080 240 -2080 -208 WIRE -2064 112 -2064 -144 WIRE -2048 64 -2048 -80 WIRE -2032 16 -2032 -16 WIRE -2016 -208 -2080 -208 WIRE -2016 -144 -2064 -144 WIRE -2016 -80 -2048 -80 WIRE -2016 -16 -2032 -16 WIRE -2000 112 -2064 112 WIRE -2000 160 -2000 112 WIRE -2000 240 -2080 240 WIRE -2000 240 -2000 224 WIRE -1968 64 -2048 64 WIRE -1888 16 -2032 16 WIRE -1888 160 -1888 16 WIRE -1888 240 -2000 240 WIRE -1888 240 -1888 224 WIRE -1760 -176 -1760 -256 WIRE -1760 -144 -1792 -144 WIRE -1760 -144 -1760 -176 WIRE -1760 -80 -1792 -80 WIRE -1760 -48 -1760 -80 WIRE -1744 -16 -1792 -16 WIRE -1744 144 -1744 -16 WIRE -1744 240 -1888 240 WIRE -1744 240 -1744 208 WIRE -1712 -256 -1760 -256 WIRE -1712 -16 -1744 -16 WIRE -1696 -176 -1760 -176 WIRE -1696 -144 -1696 -176 WIRE -1696 -48 -1760 -48 WIRE -1696 -48 -1696 -80 WIRE -1616 -176 -1696 -176 WIRE -1616 -160 -1616 -176 WIRE -1616 -48 -1696 -48 WIRE -1616 -48 -1616 -80 WIRE -1616 112 -2000 112 WIRE -1616 112 -1616 -48 WIRE -1568 -256 -1632 -256 WIRE -1568 -208 -1792 -208 WIRE -1568 -208 -1568 -256 WIRE -1568 -128 -1568 -208 WIRE -1568 16 -1888 16 WIRE -1568 16 -1568 -128 WIRE -1568 144 -1568 16 WIRE -1568 240 -1744 240 WIRE -1568 240 -1568 224 WIRE -1520 -208 -1568 -208 WIRE -1520 -128 -1568 -128 WIRE -1520 64 -1968 64 WIRE -1392 -256 -1568 -256 WIRE -1392 -208 -1440 -208 WIRE -1392 -128 -1456 -128 WIRE -1392 -128 -1392 -208 WIRE -1392 -112 -1392 -128 WIRE -1392 -32 -1392 -48 WIRE -1392 96 -1392 48 WIRE -1392 128 -1392 96 WIRE -1392 240 -1568 240 WIRE -1392 240 -1392 208 WIRE -1312 64 -1440 64 WIRE -1312 112 -1312 64 WIRE -1312 240 -1392 240 WIRE -1312 240 -1312 176 WIRE -1280 -256 -1392 -256 WIRE -1264 64 -1312 64 WIRE -1264 112 -1264 64 WIRE -1264 240 -1312 240 WIRE -1264 240 -1264 192 WIRE -1232 64 -1264 64 WIRE -1168 -32 -1168 -80 WIRE -1168 0 -1168 -32 WIRE -1168 16 -1168 0 WIRE -1168 128 -1168 112 WIRE -1168 144 -1168 128 WIRE -1168 240 -1264 240 WIRE -1168 240 -1168 224 WIRE -1152 -208 -1392 -208 WIRE -1152 -160 -1152 -208 WIRE -1152 -80 -1168 -80 WIRE -1136 -32 -1168 -32 WIRE -1136 0 -1168 0 WIRE -1120 128 -1168 128 WIRE -1088 -160 -1088 -208 WIRE -1088 0 -1136 0 WIRE -1088 16 -1088 0 WIRE -1088 240 -1168 240 WIRE -1088 240 -1088 80 WIRE -1056 -208 -1088 -208 WIRE -1056 -32 -1072 -32 WIRE -1056 -32 -1056 -208 WIRE -1024 -208 -1056 -208 WIRE -1024 -160 -1024 -208 WIRE -1024 -80 -1088 -80 WIRE -1024 -80 -1024 -96 WIRE -1024 240 -1088 240 WIRE -1024 240 -1024 -80 WIRE -992 -208 -1024 -208 WIRE -992 128 -1120 128 WIRE -992 240 -992 128 WIRE -960 64 -960 48 WIRE -960 240 -992 240 WIRE -960 240 -960 160 WIRE -880 -208 -928 -208 WIRE -880 -48 -880 -208 WIRE -880 112 -896 112 WIRE -880 112 -880 32 WIRE -880 144 -880 112 WIRE -880 240 -960 240 WIRE -880 240 -880 224 WIRE -832 -208 -880 -208 WIRE -832 -176 -832 -208 WIRE -832 -80 -1024 -80 WIRE -832 -80 -832 -112 WIRE -784 -208 -832 -208 WIRE -656 -208 -704 -208 WIRE -656 -176 -656 -208 WIRE -656 -80 -832 -80 WIRE -656 -80 -656 -112 WIRE -656 -48 -656 -80 WIRE -608 -208 -656 -208 WIRE -544 -256 -1216 -256 WIRE -544 -208 -608 -208 WIRE -544 -208 -544 -256 WIRE -544 -192 -544 -208 WIRE -544 -80 -656 -80 WIRE -544 -80 -544 -112 FLAG -608 -208 Out FLAG -1968 64 Out555 FLAG -1136 0 High FLAG -880 -208 OutRect FLAG -1712 -16 Pwm IOPIN -1712 -16 In FLAG -880 112 beQctrl FLAG -1392 -256 Alim555 FLAG -960 48 Pwm IOPIN -960 48 Out FLAG -656 -48 0 FLAG -1392 96 Pin FLAG -1120 128 Emis SYMBOL cap -1984 160 M0 WINDOW 0 70 30 Right 0 WINDOW 3 82 51 Right 0 SYMATTR InstName Ct SYMATTR Value 910p SYMBOL diode -1296 176 R180 WINDOW 0 44 -56 VRight 0 WINDOW 3 42 37 VRight 0 SYMATTR InstName DretInv SYMATTR Value 1N914 SYMBOL diode -1216 -272 R90 WINDOW 0 58 119 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName Dalim SYMATTR Value MURS120 SYMBOL diode -1408 -48 M180 WINDOW 0 -45 64 VLeft 0 WINDOW 3 -16 78 VLeft 0 SYMATTR InstName Dpol SYMATTR Value MBRS1100 SYMBOL res -1600 -64 R180 WINDOW 0 28 32 VTop 0 WINDOW 3 27 88 VTop 0 SYMATTR InstName Rtoff SYMATTR Value 56K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -1616 -272 R90 WINDOW 0 35 80 VRight 0 WINDOW 3 35 -24 VRight 0 SYMATTR InstName Rton SYMATTR Value 15K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL npn -896 64 M0 WINDOW 0 47 24 Left 0 WINDOW 3 22 47 Left 0 SYMATTR InstName QCtrl SYMATTR Value BC547A SYMBOL res -864 240 R180 WINDOW 0 -52 79 Left 0 WINDOW 3 -38 48 Left 0 SYMATTR InstName Rd2 SYMATTR Value 1K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL voltage -1392 112 M0 WINDOW 0 34 22 VTop 0 WINDOW 3 -2 73 Bottom 0 WINDOW 123 41 81 Top 0 SYMATTR InstName VLocom SYMATTR Value 80 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=1m SYMBOL res -1424 -224 R90 WINDOW 0 -25 105 VTop 0 WINDOW 3 -25 45 VTop 0 SYMATTR InstName RDis SYMATTR Value 22k SYMATTR SpiceLine tol=10 pwr=5 SYMBOL res -1584 128 R0 WINDOW 0 7 28 Right 0 WINDOW 3 -3 65 Right 0 SYMATTR InstName R_uFan SYMATTR Value 150 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -1424 48 R90 WINDOW 0 -13 37 VRight 0 WINDOW 3 57 42 VRight 0 SYMATTR InstName Rbuf SYMATTR Value 47 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -1280 96 R0 WINDOW 0 43 50 VLeft 0 WINDOW 3 61 62 Right 0 SYMATTR InstName Rbmin SYMATTR Value 22 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL polcap -816 -176 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 -640 -176 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 -688 -192 M270 WINDOW 0 62 10 VBottom 0 WINDOW 3 62 65 VBottom 0 SYMATTR InstName Lf SYMATTR Value 100µ SYMATTR SpiceLine Ipk=10 Rser=0.02 Rpar=0 Cpar=0 SYMBOL polcap -1456 -144 R90 WINDOW 0 35 62 VTop 0 WINDOW 3 -31 74 VTop 0 SYMATTR InstName Cstart 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 -1104 16 R0 WINDOW 0 -61 8 Left 0 WINDOW 3 35 31 Left 0 SYMATTR InstName Csnub SYMATTR Value 1n5 SYMATTR SpiceLine Rser=10 SYMBOL diode -1712 -144 R0 WINDOW 0 -12 46 VRight 0 WINDOW 3 -12 -28 VRight 0 SYMATTR InstName D2 SYMATTR Value 1N914 SYMBOL ind2 -1168 -176 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=.8 Rpar=1430 Cpar=5p SYMBOL ind2 -1072 -64 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=0.015 Rpar=110 SYMBOL diode -992 -192 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName Drect SYMATTR Value MBR735 SYMBOL npn3 -1232 16 R0 WINDOW 3 31 59 Left 0 WINDOW 0 34 34 Left 0 SYMATTR Value BU508 SYMATTR InstName Qout SYMBOL 555_ALL -1856 -96 R0 WINDOW 38 -86 79 Left 0 SYMATTR InstName U1 SYMBOL cap -1040 -160 R0 WINDOW 0 97 30 Right 0 WINDOW 3 104 58 Right 0 SYMATTR InstName Csint SYMATTR Value 100n SYMBOL res -864 48 R180 WINDOW 0 -8 73 Right 0 WINDOW 3 -9 45 Right 0 SYMATTR InstName Rd1 SYMATTR Value 22K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -1408 -48 R0 WINDOW 0 -47 65 Left 0 WINDOW 3 -47 90 Left 0 SYMATTR InstName Rlim SYMATTR Value 2R2 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL cap -1072 -48 R90 WINDOW 0 15 61 VBottom 0 WINDOW 3 -10 5 VTop 0 SYMATTR InstName Cps SYMATTR Value 10p SYMBOL polcap -1904 160 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 -1184 128 R0 WINDOW 0 0 58 Right 0 WINDOW 3 -2 84 Right 0 SYMATTR InstName Re SYMATTR Value 100m SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -560 -208 R0 WINDOW 0 -64 35 Left 0 WINDOW 3 -66 63 Left 0 SYMATTR InstName RLoad SYMATTR Value {RL} SYMBOL cap -1728 144 M0 WINDOW 0 70 30 Right 0 WINDOW 3 82 51 Right 0 SYMATTR InstName Cf SYMATTR Value 10n TEXT -1120 -216 VRight 0 !K1 LP LS .995 TEXT -2050 -270 Left 0 !.tran 4m startup TEXT -1472 -160 Left 0 ;x100V TEXT -1064 168 VRight 0 ;x250V TEXT -640 -96 Left 0 ;3Rmin TEXT -720 8 Left 0 ;Varilla de ferrite,\nbobinada a tope.\nLargo=50mm,\ndiámetro=8mm.\nLP=904uH=170esp,\ndiam=0.25mm.\nLS=50uH=40esp. y\ndiam=1mm. TEXT -1384 -192 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 -2056 256 Left 0 ;El modelo TLC555 de Helmut, no funciona correctamente; (problemas con Ctrl). TEXT -1168 256 Left 0 ;.step param val 80n 120n 20n TEXT -1112 -496 Left 0 !.meas tran ta FIND time WHEN V(out555)=5 td=3m rise=1\n.meas tran tb FIND time WHEN V(out555)=5 td=3m rise=11\n.meas tran Frec PARAM 10/(tb-ta)\n.Meas tran Tc FIND time WHEN V(Out555)=5 td=3m fall=1\n.Meas tran Td FIND time WHEN V(Out555)=5 td=3m fall=2\n.Meas tran T1 Param (Tc-Ta)\n.Meas tran T2 Param (Td-Ta)\n.Meas tran Ton Param If (T1>0, T1, T2)\n.Meas tran Duty% Param Ton*Frec*100 TEXT -2048 -304 Left 0 !.step param RL List 120 12 6 4 TEXT -1856 -472 Left 0 !.meas tran Pin avg(V(Pin)*I(VLocom)) from td=3m\n.meas tran Pout avg(V(Out)*I(RLoad)) from td=3m\n.meas tran Eff% Param (Pout/Pin)*-100\n.meas tran PdQ avg(V(High)*Ic(Qout)+V(N003)*Ib(Qout)) from td=3m