Version 4 SHEET 1 1856 1364 WIRE -480 208 -496 208 WIRE -480 320 -480 288 WIRE -480 448 -480 400 WIRE -480 512 -480 448 WIRE -480 544 -480 512 WIRE -480 640 -480 624 WIRE -464 288 -480 288 WIRE -448 448 -480 448 WIRE -384 208 -400 208 WIRE -336 576 -336 272 WIRE -336 672 -336 576 WIRE -336 688 -336 672 WIRE -336 768 -336 752 WIRE -288 384 -304 384 WIRE -288 448 -368 448 WIRE -288 512 -480 512 WIRE -288 576 -336 576 WIRE -272 160 -272 144 WIRE -240 64 -272 64 WIRE -176 672 -336 672 WIRE -160 64 -176 64 WIRE -80 -48 -96 -48 WIRE -64 64 -80 64 WIRE -64 80 -64 64 WIRE -64 192 -64 160 WIRE -64 208 -288 208 WIRE -64 208 -64 192 WIRE -64 224 -64 208 WIRE -64 320 -64 304 WIRE -64 672 -96 672 WIRE -64 688 -64 672 WIRE -64 768 -64 752 WIRE -48 192 -64 192 WIRE -32 384 -64 384 WIRE -32 384 -32 352 WIRE -32 576 -64 576 WIRE -32 672 -64 672 WIRE -32 672 -32 576 WIRE -16 64 -64 64 WIRE -16 352 -32 352 WIRE 0 672 -32 672 WIRE 16 -48 0 -48 WIRE 16 64 -16 64 WIRE 16 144 16 64 WIRE 16 352 -16 352 WIRE 16 352 16 240 WIRE 16 512 -64 512 WIRE 16 528 16 512 WIRE 16 608 16 592 WIRE 96 512 16 512 WIRE 96 672 80 672 WIRE 128 -48 96 -48 WIRE 128 -32 128 -48 WIRE 128 64 16 64 WIRE 128 64 128 48 WIRE 128 80 128 64 WIRE 128 160 128 144 WIRE 192 448 -64 448 WIRE 240 -48 128 -48 WIRE 240 64 240 -48 WIRE 240 80 240 64 WIRE 240 160 240 144 WIRE 288 448 272 448 WIRE 304 64 240 64 WIRE 336 64 304 64 WIRE 336 96 336 64 WIRE 336 288 336 176 WIRE 336 368 336 288 WIRE 336 480 336 464 WIRE 336 512 176 512 WIRE 336 512 336 480 WIRE 336 528 336 512 WIRE 336 624 336 608 WIRE 400 192 400 176 WIRE 416 96 400 96 WIRE 416 96 416 16 WIRE 432 16 416 16 WIRE 464 288 336 288 WIRE 464 304 464 288 WIRE 464 384 464 368 WIRE 464 480 336 480 WIRE 464 480 464 464 WIRE 480 96 416 96 WIRE 512 16 496 16 WIRE 624 16 592 16 WIRE 624 96 544 96 WIRE 624 96 624 16 WIRE 672 96 624 96 WIRE 672 112 672 96 WIRE 672 192 672 176 WIRE 784 96 672 96 WIRE 784 112 784 96 WIRE 784 208 784 192 WIRE 864 96 784 96 FLAG 240 160 0 FLAG 400 192 0 FLAG 672 192 0 FLAG -96 -48 0 FLAG 336 624 0 FLAG 16 608 0 FLAG -64 768 0 FLAG -336 768 0 FLAG 864 96 Out IOPIN 864 96 Out FLAG -480 640 0 FLAG -304 384 0 FLAG -272 160 0 FLAG 128 160 0 FLAG -16 64 Vc FLAG 784 208 0 FLAG -464 288 Out IOPIN -464 288 In FLAG 304 64 In FLAG 96 672 Out IOPIN 96 672 In FLAG -64 320 0 FLAG 16 416 0 FLAG -496 208 0 FLAG -16 352 Vcc SYMBOL voltage 16 -48 R90 WINDOW 123 0 0 Left 0 WINDOW 39 47 56 Left 0 WINDOW 0 -50 60 VCenter 0 WINDOW 3 48 58 VCenter 0 SYMATTR InstName V1 SYMATTR Value 30 SYMBOL ind2 320 80 R0 WINDOW 0 -7 42 Right 0 WINDOW 3 -5 69 Right 0 SYMATTR InstName L2 SYMATTR Value 10µ SYMATTR SpiceLine Rser=2m Rpar=4k SYMBOL ind2 416 192 R180 WINDOW 0 -3 68 Right 0 WINDOW 3 -1 39 Right 0 SYMATTR InstName L3 SYMATTR Value 2m8 SYMATTR SpiceLine Rser=.35 Rpar=900k SYMBOL nmos 288 368 R0 WINDOW 0 57 31 Left 0 WINDOW 3 58 75 Left 0 SYMATTR InstName M1 SYMATTR Value IRFP260 SYMBOL diode 480 112 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value UPSC600 SYMBOL res 320 512 R0 SYMATTR Value 60m SYMATTR InstName R4 SYMBOL UC3843A -176 480 R0 WINDOW 0 0 -87 Center 0 WINDOW 3 0 -64 Center 0 SYMATTR InstName X1 SYMBOL res 176 464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 33 SYMBOL res 80 528 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL cap 0 528 R0 SYMATTR InstName C4 SYMATTR Value 47p SYMBOL cap -352 688 R0 SYMATTR InstName C5 SYMATTR Value 100n SYMBOL res -80 656 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 1.2Meg SYMBOL cap -80 688 R0 SYMATTR InstName C6 SYMATTR Value 510p SYMBOL res -496 304 R0 SYMATTR InstName R7 SYMATTR Value 1.2Meg SYMBOL res -496 528 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL ind2 -256 160 R180 WINDOW 0 49 68 Left 0 WINDOW 3 47 40 Left 0 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=.35 SYMBOL diode -240 80 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL res -176 80 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R10 SYMATTR Value 4.7 SYMBOL load2 784 112 R0 WINDOW 0 48 17 Left 0 WINDOW 3 -96 131 Center 0 WINDOW 123 0 0 Left 0 WINDOW 39 49 71 Left 0 SYMATTR InstName I1 SYMATTR Value PWL(1m 200m 1m01 10 50m 10 50m1 200m) SYMATTR SpiceLine load SYMBOL res 0 -32 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R11 SYMATTR Value 100m SYMBOL cap 448 304 R0 SYMATTR InstName C13 SYMATTR Value 1n SYMBOL res 448 368 R0 SYMATTR InstName R15 SYMATTR Value 33 SYMBOL polcap 256 80 M0 SYMATTR InstName C1 SYMATTR Value 4700µ SYMATTR SpiceLine V=35 Irms=2.03 Rser=0.033 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPR1V472MRH" type="Al electrolytic" ppPkg=1 SYMBOL polcap 656 112 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMATTR SpiceLine V=100 Irms=115m Rser=0.68 MTBF=1000 Lser=0 mfg="Nichicon" pn="UPR2A220MPH" type="Al electrolytic" ppPkg=1 SYMBOL cap 432 32 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C8 SYMATTR Value 22p SYMBOL res 496 32 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R3 SYMATTR Value 2k2 SYMBOL res 96 656 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R9 SYMATTR Value 3.3Meg SYMBOL res 112 -48 R0 SYMATTR InstName R12 SYMATTR Value 33k SYMBOL npn -288 272 M270 WINDOW 0 56 47 VCenter 0 WINDOW 3 88 44 VCenter 0 SYMATTR InstName Q1 SYMATTR Value 2N4401 SYMBOL pnp -48 240 M180 WINDOW 0 56 63 Left 0 WINDOW 3 58 37 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N4403 SYMBOL res -80 64 R0 WINDOW 0 39 27 Left 0 WINDOW 3 36 64 Left 0 SYMATTR InstName R13 SYMATTR Value 10k SYMBOL res -48 320 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R17 SYMATTR Value 220k SYMBOL cap 0 352 R0 WINDOW 0 35 14 Left 0 WINDOW 3 40 46 Left 0 SYMATTR InstName C9 SYMATTR Value 1µ SYMBOL res -384 192 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R18 SYMATTR Value 10k SYMBOL res -352 432 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 1.2Meg SYMBOL polcap 144 80 M0 SYMATTR InstName C3 SYMATTR Value 33µ SYMATTR SpiceLine V=35 Irms=170m Rser=1 MTBF=5000 Lser=0 mfg="Nichicon" pn="UPG1V330MPH" type="Al electrolytic" ppPkg=1 TEXT 448 560 Left 0 !.tran 0 1 0 1m uic TEXT 120 240 Left 0 !K1 L2 L3 L1 .985 TEXT 200 696 Left 0 !.model IRFP260 VDMOS(Rg=6 Rs=26.8m Rd=.1m Vto=4.36 Kp=24.97\n+ Cgdmax=3n Cgdmin=150p Cgs=3.5n Cjo=3.2n Is=1e-32\n+ mfg=International_Rectifier Vds=200 Ron=40m) TEXT 448 624 Left 0 !.ic V(In)=19.4 V(Vc)=18 V(Vcc)=17 V(Out)=300 TEXT 448 592 Left 0 !.options method=gear trtol=3 reltol=.03