Version 4 SHEET 1 1588 1464 WIRE 704 -1024 48 -1024 WIRE 48 -960 48 -1024 WIRE 704 -944 704 -1024 WIRE 704 -832 704 -864 WIRE 880 -832 704 -832 WIRE -560 -784 -640 -784 WIRE -1072 -752 -1120 -752 WIRE -912 -752 -1072 -752 WIRE 192 -752 128 -752 WIRE 288 -752 192 -752 WIRE 496 -752 352 -752 WIRE 800 -752 496 -752 WIRE -640 -736 -640 -784 WIRE -560 -720 -560 -784 WIRE -560 -720 -592 -720 WIRE -544 -720 -560 -720 WIRE 128 -720 128 -752 WIRE -1072 -704 -1072 -752 WIRE -544 -672 -592 -672 WIRE 496 -624 496 -752 WIRE 800 -624 800 -752 WIRE 448 -608 352 -608 WIRE -1072 -592 -1072 -624 WIRE -1072 -592 -1248 -592 WIRE -640 -592 -640 -656 WIRE -528 -592 -640 -592 WIRE -448 -592 -528 -592 WIRE 704 -592 704 -832 WIRE -912 -576 -912 -752 WIRE 48 -576 48 -880 WIRE 128 -576 128 -640 WIRE 128 -576 48 -576 WIRE -1248 -560 -1248 -592 WIRE -1072 -560 -1072 -592 WIRE -960 -560 -1072 -560 WIRE 48 -560 48 -576 WIRE -1072 -544 -1072 -560 WIRE -640 -544 -640 -592 WIRE -528 -528 -528 -592 WIRE 448 -528 448 -560 WIRE -1232 -512 -1248 -512 WIRE -960 -512 -992 -512 WIRE 496 -512 496 -544 WIRE 656 -512 496 -512 WIRE -1296 -480 -1376 -480 WIRE 496 -480 496 -512 WIRE -1232 -464 -1232 -512 WIRE -1232 -464 -1248 -464 WIRE -48 -464 -208 -464 WIRE 64 -464 -48 -464 WIRE 352 -464 352 -608 WIRE 352 -464 128 -464 WIRE 448 -464 352 -464 WIRE -912 -448 -912 -496 WIRE -848 -448 -912 -448 WIRE -1248 -432 -1248 -464 WIRE -1072 -432 -1072 -480 WIRE -1072 -432 -1248 -432 WIRE -992 -432 -992 -512 WIRE -992 -432 -1072 -432 WIRE -640 -432 -640 -464 WIRE -528 -432 -528 -464 WIRE -528 -432 -640 -432 WIRE 64 -432 -144 -432 WIRE -1248 -416 -1248 -432 WIRE -640 -416 -640 -432 WIRE 448 -384 448 -416 WIRE 496 -336 496 -400 WIRE 704 -336 704 -496 WIRE 704 -336 496 -336 WIRE 736 -336 704 -336 WIRE 800 -336 800 -560 WIRE 800 -336 736 -336 WIRE 880 -336 800 -336 WIRE 1024 -336 960 -336 WIRE 1152 -336 1024 -336 WIRE 1264 -336 1152 -336 WIRE 1280 -336 1264 -336 WIRE 496 -304 384 -304 WIRE -48 -272 -48 -464 WIRE 64 -272 -48 -272 WIRE 496 -256 496 -304 WIRE -144 -240 -144 -432 WIRE -144 -240 -192 -240 WIRE 64 -240 -144 -240 WIRE 352 -240 128 -240 WIRE 448 -240 352 -240 WIRE 704 -224 704 -336 WIRE 800 -208 800 -336 WIRE 1152 -192 1152 -336 WIRE 1280 -192 1280 -336 WIRE 448 -160 448 -192 WIRE 496 -144 496 -176 WIRE 656 -144 496 -144 WIRE 496 -112 496 -144 WIRE 352 -96 352 -240 WIRE 448 -96 352 -96 WIRE 448 48 448 -48 WIRE 496 48 496 -32 WIRE 496 48 448 48 WIRE 704 48 704 -128 WIRE 704 48 496 48 WIRE 800 48 800 -144 WIRE 800 48 704 48 WIRE 1152 48 1152 -128 WIRE 1152 48 800 48 WIRE 1280 48 1280 -112 WIRE 1280 48 1152 48 WIRE 704 64 704 48 WIRE -672 112 -832 112 WIRE -304 112 -576 112 WIRE -448 160 -576 160 WIRE -32 176 -144 176 WIRE 80 176 -32 176 WIRE 240 176 80 176 WIRE 400 176 320 176 WIRE -1040 208 -1376 208 WIRE -976 208 -1040 208 WIRE -832 208 -832 112 WIRE -832 208 -912 208 WIRE -448 224 -448 160 WIRE -976 240 -1376 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 -336 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 -1328 400 -1376 400 WIRE -1216 416 -1264 416 WIRE -1168 416 -1216 416 WIRE -1040 416 -1040 208 WIRE -1040 416 -1088 416 WIRE -1216 448 -1216 416 WIRE -1216 576 -1216 512 WIRE -832 576 -832 464 WIRE -832 576 -1216 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 -144 176 IN- IOPIN -144 176 Out FLAG 704 64 0 FLAG 48 -560 0 FLAG 192 -752 VCC FLAG 400 176 VCC IOPIN 400 176 In FLAG 736 -336 SW FLAG 48 -1024 VIN FLAG -544 -720 VIN IOPIN -544 -720 In FLAG -544 -672 VD IOPIN -544 -672 In FLAG -640 -416 0 FLAG -448 -592 IN+ IOPIN -448 -592 Out FLAG -1120 -752 VCC IOPIN -1120 -752 In FLAG -1376 -480 PWMB IOPIN -1376 -480 In FLAG -1248 -416 0 FLAG -848 -448 IN+ IOPIN -848 -448 Out FLAG 880 -832 VD IOPIN 880 -832 Out FLAG -1376 240 PWMB IOPIN -1376 240 Out FLAG 1264 -336 VOUT FLAG 448 -528 0 FLAG 448 -384 0 FLAG 448 -160 0 FLAG 384 -304 VCC IOPIN 384 -304 In FLAG -1376 208 PWM IOPIN -1376 208 Out FLAG -1376 400 PWMD IOPIN -1376 400 Out FLAG -208 -464 PWM IOPIN -208 -464 In FLAG -192 -240 PWMD IOPIN -192 -240 In 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 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 -592 R0 SYMATTR InstName M1 SYMATTR Value RSR025N05 SYMBOL ind 864 -320 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL cap 1136 -192 R0 SYMATTR InstName C2 SYMATTR Value 50µ SYMBOL res 1264 -208 R0 SYMATTR InstName R3 SYMATTR Value 2 SYMBOL cap 784 -624 R0 SYMATTR InstName C3 SYMATTR Value 0.047µ SYMBOL voltage 48 -976 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 12 SYMBOL voltage 128 -736 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 288 -736 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 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 -640 -640 R180 SYMATTR InstName G3 SYMATTR Value 2m SYMATTR SpiceLine Ilimit=30u SYMBOL res -656 -560 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL current -1072 -704 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 10µ SYMBOL cap -1088 -544 R0 SYMATTR InstName C5 SYMATTR Value 20p SYMBOL g2 -912 -480 M180 SYMATTR InstName G4 SYMATTR Value 12µ SYMBOL res 688 -960 R0 SYMATTR InstName R8 SYMATTR Value 10m SYMBOL cap -544 -528 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 SYMATTR InstName A2 SYMBOL nmos4 -1296 -560 R0 SYMATTR InstName M3 SYMATTR Value2 l=1u w=10u ad=30p as=30p pd=16u ps=16u m=1 SYMBOL sw 496 -528 M180 SYMATTR InstName S1 SYMATTR Value SW_DRVH SYMBOL sw 496 -496 R0 SYMATTR InstName S2 SYMATTR Value SW_DRVL SYMBOL nmos 656 -224 R0 WINDOW 3 -33 109 Left 2 SYMATTR InstName M4 SYMATTR Value RSR025N05 SYMBOL sw 496 -160 M180 SYMATTR InstName S3 SYMATTR Value SW_DRVH SYMBOL res -1072 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 15k SYMBOL cap -1232 448 R0 SYMATTR InstName C6 SYMATTR Value 3p SYMBOL Digital\\buf -1264 352 M0 WINDOW 3 -1 127 Left 2 SYMATTR InstName A3 SYMATTR Value vhigh=5V vlow=0V SYMBOL Digital\\and 96 -512 R0 WINDOW 3 -114 125 Left 2 SYMATTR Value vhigh=5V vlow=0V SYMATTR InstName A4 SYMBOL Digital\\or 96 -320 R0 WINDOW 3 -112 132 Left 2 SYMATTR InstName A5 SYMATTR Value vhigh=5V vlow=0V SYMBOL sw 496 -128 R0 SYMATTR InstName S4 SYMATTR Value SW_DRVL SYMBOL schottky 816 -144 R180 WINDOW 0 -41 68 Left 2 WINDOW 3 -150 38 Left 2 SYMATTR InstName D1 SYMATTR Value RB055L-30 SYMATTR Description Diode SYMATTR Type diode TEXT -1568 608 Left 2 !.tran 1m TEXT 832 -1040 Left 2 !.Model SW_DRVH SW(Ron=1 Roff=10meg Vt=2.25 vh=0.25) TEXT 832 -1008 Left 2 !.Model SW_DRVL SW(Ron=1 Roff=10meg Vt=-2.25 vh=0.25)