Version 4 SHEET 1 1260 680 WIRE 704 -1024 -832 -1024 WIRE -832 -960 -832 -1024 WIRE 704 -944 704 -1024 WIRE 704 -832 704 -864 WIRE 880 -832 704 -832 WIRE -1200 -800 -1280 -800 WIRE -1712 -768 -1760 -768 WIRE -1552 -768 -1712 -768 WIRE -1280 -752 -1280 -800 WIRE -688 -752 -752 -752 WIRE -592 -752 -688 -752 WIRE -448 -752 -528 -752 WIRE -288 -752 -448 -752 WIRE -112 -752 -288 -752 WIRE 432 -752 -112 -752 WIRE 800 -752 432 -752 WIRE -1200 -736 -1200 -800 WIRE -1200 -736 -1232 -736 WIRE -1184 -736 -1200 -736 WIRE -1712 -720 -1712 -768 WIRE -1184 -688 -1232 -688 WIRE -448 -688 -448 -752 WIRE -288 -672 -288 -752 WIRE -752 -656 -752 -752 WIRE -1712 -608 -1712 -640 WIRE -1712 -608 -1888 -608 WIRE -1280 -608 -1280 -672 WIRE -1168 -608 -1280 -608 WIRE -1088 -608 -1168 -608 WIRE -1552 -592 -1552 -768 WIRE -112 -592 -112 -752 WIRE -1888 -576 -1888 -608 WIRE -1712 -576 -1712 -608 WIRE -1600 -576 -1712 -576 WIRE -1712 -560 -1712 -576 WIRE -1280 -560 -1280 -608 WIRE -1168 -544 -1168 -608 WIRE -288 -544 -288 -592 WIRE -176 -544 -288 -544 WIRE -1872 -528 -1888 -528 WIRE -1600 -528 -1632 -528 WIRE -1936 -496 -2016 -496 WIRE -1872 -480 -1872 -528 WIRE -1872 -480 -1888 -480 WIRE -288 -480 -288 -544 WIRE 432 -480 432 -752 WIRE -1552 -464 -1552 -512 WIRE -1488 -464 -1552 -464 WIRE -1888 -448 -1888 -480 WIRE -1712 -448 -1712 -496 WIRE -1712 -448 -1888 -448 WIRE -1632 -448 -1632 -528 WIRE -1632 -448 -1712 -448 WIRE -1280 -448 -1280 -480 WIRE -1168 -448 -1168 -480 WIRE -1168 -448 -1280 -448 WIRE -832 -448 -832 -880 WIRE -752 -448 -752 -576 WIRE -752 -448 -832 -448 WIRE -1888 -432 -1888 -448 WIRE -1280 -432 -1280 -448 WIRE -832 -432 -832 -448 WIRE -448 -432 -448 -608 WIRE -352 -432 -448 -432 WIRE -112 -432 -112 -496 WIRE -112 -432 -352 -432 WIRE 368 -432 -112 -432 WIRE 704 -416 704 -832 WIRE -288 -336 -288 -384 WIRE 432 -336 432 -384 WIRE 432 -336 -288 -336 WIRE 656 -336 432 -336 WIRE 432 -288 432 -336 WIRE 800 -288 800 -752 WIRE -448 -240 -448 -432 WIRE -448 -240 -1200 -240 WIRE 368 -240 -448 -240 WIRE 96 -192 48 -192 WIRE 96 -128 96 -192 WIRE 432 -128 432 -192 WIRE 704 -128 704 -320 WIRE 704 -128 432 -128 WIRE 736 -128 704 -128 WIRE 800 -128 800 -224 WIRE 800 -128 736 -128 WIRE 880 -128 800 -128 WIRE 1024 -128 960 -128 WIRE 1072 -128 1024 -128 WIRE 1184 -128 1072 -128 WIRE 1200 -128 1184 -128 WIRE 256 -112 144 -112 WIRE 1072 -96 1072 -128 WIRE 1200 -96 1200 -128 WIRE 256 -80 256 -112 WIRE 704 -80 704 -128 WIRE 160 -64 144 -64 WIRE -112 -32 -176 -32 WIRE 96 -32 96 -48 WIRE 96 -32 -32 -32 WIRE 96 0 96 -32 WIRE -176 16 -176 -32 WIRE 256 16 256 0 WIRE 704 48 704 -16 WIRE 1072 48 1072 -32 WIRE 1072 48 704 48 WIRE 1200 48 1200 -16 WIRE 1200 48 1072 48 WIRE 704 64 704 48 WIRE 96 96 96 64 WIRE 160 96 160 -64 WIRE 160 96 96 96 WIRE -672 112 -832 112 WIRE -304 112 -576 112 WIRE -1200 160 -1200 -240 WIRE -448 160 -576 160 WIRE -32 176 -144 176 WIRE 80 176 -32 176 WIRE 96 176 96 96 WIRE 96 176 80 176 WIRE 240 176 96 176 WIRE 400 176 320 176 WIRE -832 208 -832 112 WIRE -832 208 -912 208 WIRE -448 224 -448 160 WIRE -1104 240 -1152 240 WIRE -976 240 -1104 240 WIRE -832 240 -912 240 WIRE -32 272 -32 176 WIRE 80 272 80 176 WIRE 304 272 304 224 WIRE 416 272 304 272 WIRE 496 272 416 272 WIRE 1024 272 1024 -128 WIRE 1024 272 576 272 WIRE -304 368 -304 112 WIRE -832 384 -832 240 WIRE -32 384 -32 336 WIRE 256 384 256 224 WIRE 416 384 416 272 WIRE -1200 576 -1200 256 WIRE -832 576 -832 464 WIRE -832 576 -1200 576 WIRE -448 576 -448 304 WIRE -448 576 -832 576 WIRE -304 576 -304 448 WIRE -304 576 -448 576 WIRE -32 576 -32 464 WIRE -32 576 -304 576 WIRE 80 576 80 352 WIRE 80 576 -32 576 WIRE 256 576 256 464 WIRE 256 576 80 576 WIRE 416 576 416 464 WIRE 416 576 256 576 WIRE 256 592 256 576 FLAG 256 592 0 FLAG 256 16 0 FLAG -144 176 IN- IOPIN -144 176 Out FLAG 704 64 0 FLAG -832 -432 0 FLAG -688 -752 VCC FLAG 48 -192 VCC IOPIN 48 -192 In FLAG 400 176 VCC IOPIN 400 176 In FLAG 736 -128 SW FLAG -832 -1024 VIN FLAG -1184 -736 VIN IOPIN -1184 -736 In FLAG -1184 -688 VD IOPIN -1184 -688 In FLAG -1280 -432 0 FLAG -1088 -608 IN+ IOPIN -1088 -608 Out FLAG -1760 -768 VCC IOPIN -1760 -768 In FLAG -2016 -496 PWMB IOPIN -2016 -496 In FLAG -1888 -432 0 FLAG -1488 -464 IN+ IOPIN -1488 -464 Out FLAG 880 -832 VD IOPIN 880 -832 Out FLAG -176 16 0 FLAG -1104 240 PWMB FLAG 1184 -128 VOUT SYMBOL g 224 176 R270 SYMATTR InstName G1 SYMATTR Value 750µ SYMBOL voltage 256 368 R0 WINDOW 3 -116 127 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 1 0 300u 1m 1) SYMATTR InstName V1 SYMBOL res 64 256 R0 SYMATTR InstName R1 SYMATTR Value 1.3Meg SYMBOL cap -48 272 R0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL res -48 368 R0 SYMATTR InstName R2 SYMATTR Value 15k SYMBOL diode 112 64 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMBOL g2 96 -32 R180 SYMATTR InstName G2 SYMATTR Value 4m SYMATTR Value2 ilimit=200uA SYMBOL voltage 256 -96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 0.8 SYMBOL bv -448 208 R0 WINDOW 3 -297 138 Left 2 SYMATTR Value V=if(V(IN+)>V(IN-),5V,0V) SYMATTR InstName B1 SYMBOL Digital\\srflop -624 64 M0 WINDOW 3 -111 145 Left 2 SYMATTR Value vhigh=5V vlow=0V SYMATTR InstName A1 SYMBOL voltage -304 352 R0 WINDOW 3 -130 108 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 0.1u 1n 1n 80n 2u) SYMATTR InstName V3 SYMBOL nmos 656 -416 R0 SYMATTR InstName M1 SYMATTR Value RSR025N05 SYMBOL schottky 720 -16 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value RB055L-30 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 864 -112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL cap 1056 -96 R0 SYMATTR InstName C2 SYMATTR Value 50µ SYMBOL res 1184 -112 R0 SYMATTR InstName R3 SYMATTR Value 2 SYMBOL cap 784 -288 R0 SYMATTR InstName C3 SYMATTR Value 0.047µ SYMBOL voltage -832 -976 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 12 SYMBOL npn 368 -480 R0 SYMATTR InstName Q1 SYMATTR Value 2SC4617 SYMBOL pnp 368 -192 M180 SYMATTR InstName Q2 SYMATTR Value 2SA1774 SYMBOL voltage -752 -672 R0 WINDOW 123 0 0 Left 0 WINDOW 39 20 124 Left 2 SYMATTR SpiceLine Rser=100 SYMATTR InstName V5 SYMATTR Value 6 SYMBOL diode -592 -736 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMBOL res -464 -704 R0 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL nmos -1152 160 M0 SYMATTR InstName M2 SYMATTR Value RHU002N06 SYMBOL res 592 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 23k SYMBOL res 400 480 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL g2 -1280 -656 R180 SYMATTR InstName G3 SYMATTR Value 2m SYMATTR SpiceLine Ilimit=30u SYMBOL res -1296 -576 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL current -1712 -720 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 10µ SYMBOL cap -1728 -560 R0 SYMATTR InstName C5 SYMATTR Value 20p SYMBOL g2 -1552 -496 M180 SYMATTR InstName G4 SYMATTR Value 12µ SYMBOL res 688 -960 R0 SYMATTR InstName R8 SYMATTR Value 10m SYMBOL res -16 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL npn -352 -480 R0 SYMATTR InstName Q3 SYMATTR Value 2N2369 SYMBOL res -304 -688 R0 SYMATTR InstName R10 SYMATTR Value 20k SYMBOL pnp -176 -496 M180 SYMATTR InstName Q4 SYMATTR Value 2N5771 SYMBOL cap -1184 -544 R0 SYMATTR InstName C4 SYMATTR Value 1p SYMBOL voltage -832 368 R0 WINDOW 3 -130 108 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 0.1u 1n 1n 1.95u 2u) SYMATTR InstName V6 SYMBOL Digital\\and -944 160 M0 WINDOW 3 -226 119 Left 2 SYMATTR Value vhigh=5V vlow=0V ROUT=100 SYMATTR InstName A2 SYMBOL nmos4 -1936 -576 R0 SYMATTR InstName M3 SYMATTR Value2 l=1u w=10u ad=30p as=30p pd=16u ps=16u m=1 TEXT -1880 664 Left 2 !.tran 1m