Version 4 SHEET 1 1144 1440 WIRE 624 -480 -2208 -480 WIRE -960 -368 -1312 -368 WIRE -272 -368 -960 -368 WIRE -16 -368 -208 -368 WIRE -16 -320 -16 -368 WIRE -960 -304 -960 -368 WIRE -960 -208 -960 -240 WIRE -16 -192 -16 -240 WIRE -464 -96 -608 -96 WIRE -368 -96 -464 -96 WIRE -16 -96 -368 -96 WIRE 208 -96 48 -96 WIRE 480 -96 272 -96 WIRE 624 -96 624 -480 WIRE 624 -96 480 -96 WIRE -608 -32 -608 -96 WIRE -464 -32 -464 -96 WIRE -16 16 -16 -96 WIRE 48 16 48 -96 WIRE -608 80 -608 32 WIRE -608 80 -816 80 WIRE -816 112 -816 80 WIRE 480 112 480 -96 WIRE 624 112 624 -96 WIRE -368 128 -368 -96 WIRE -1312 176 -1312 -368 WIRE -1008 192 -1264 192 WIRE -2208 208 -2208 -480 WIRE -2208 208 -2608 208 WIRE -1568 208 -1840 208 WIRE -1488 208 -1568 208 WIRE -816 224 -816 192 WIRE -464 224 -464 32 WIRE -464 224 -816 224 WIRE -1216 240 -1264 240 WIRE -16 240 -16 96 WIRE -608 272 -608 80 WIRE -464 272 -464 224 WIRE -1568 288 -1568 208 WIRE -1312 320 -1312 256 WIRE -1104 320 -1312 320 WIRE -1008 320 -1104 320 WIRE -64 320 -144 320 WIRE -1312 368 -1312 320 WIRE -1104 384 -1104 320 WIRE -16 384 -16 336 WIRE -16 384 -64 384 WIRE -16 416 -16 384 WIRE -2208 528 -2208 208 WIRE -1840 528 -1840 208 WIRE -1568 528 -1568 368 WIRE -1312 528 -1312 448 WIRE -1312 528 -1568 528 WIRE -1216 528 -1216 240 WIRE -1216 528 -1312 528 WIRE -1104 528 -1104 448 WIRE -1104 528 -1216 528 WIRE -608 528 -608 336 WIRE -464 528 -464 336 WIRE -464 528 -608 528 WIRE -368 528 -368 192 WIRE -368 528 -464 528 WIRE -16 528 -16 496 WIRE -16 528 -368 528 WIRE 48 528 48 96 WIRE 480 528 480 176 WIRE 480 528 48 528 WIRE 624 528 624 192 WIRE 624 528 480 528 WIRE 624 544 624 528 WIRE -1568 560 -1568 528 WIRE -608 576 -608 528 WIRE -2208 848 -2208 608 WIRE -2112 848 -2208 848 WIRE -1840 848 -1840 608 WIRE -1840 848 -1920 848 WIRE -1744 848 -1840 848 WIRE -2608 880 -2608 208 WIRE -1040 880 -1536 880 WIRE -784 880 -944 880 WIRE -352 880 -400 880 WIRE -1040 928 -1168 928 WIRE -2336 944 -2464 944 WIRE -2224 944 -2336 944 WIRE -2112 944 -2224 944 WIRE -1840 944 -1920 944 WIRE -352 960 -352 880 WIRE -2464 976 -2464 944 WIRE -784 976 -784 880 WIRE -496 976 -784 976 WIRE -400 976 -496 976 WIRE -1536 992 -1536 880 WIRE -1424 992 -1536 992 WIRE -1312 992 -1360 992 WIRE -1168 992 -1168 928 WIRE -1168 992 -1248 992 WIRE -1312 1024 -1392 1024 WIRE -2336 1056 -2336 944 WIRE -400 1056 -400 1024 WIRE -2608 1072 -2608 960 WIRE -2464 1072 -2464 1040 WIRE -2464 1072 -2608 1072 WIRE -2384 1072 -2464 1072 WIRE -2224 1072 -2224 944 WIRE -1536 1072 -1536 992 WIRE -352 1072 -352 1040 WIRE -144 1072 -144 320 WIRE -144 1072 -352 1072 WIRE -352 1104 -352 1072 WIRE -2384 1120 -2464 1120 WIRE -496 1120 -496 976 WIRE -400 1120 -496 1120 WIRE -2608 1184 -2608 1072 WIRE -2464 1184 -2464 1120 WIRE -2224 1184 -2224 1136 WIRE -2224 1184 -2464 1184 WIRE -1392 1200 -1392 1024 WIRE -2464 1232 -2464 1184 WIRE -2608 1344 -2608 1264 WIRE -2464 1344 -2464 1312 WIRE -2464 1344 -2608 1344 WIRE -2336 1344 -2336 1136 WIRE -2336 1344 -2464 1344 WIRE -1840 1344 -1840 944 WIRE -1840 1344 -2336 1344 WIRE -1536 1344 -1536 1152 WIRE -1536 1344 -1840 1344 WIRE -1392 1344 -1392 1280 WIRE -1392 1344 -1536 1344 WIRE -400 1344 -400 1168 WIRE -400 1344 -1392 1344 WIRE -352 1344 -352 1184 WIRE -352 1344 -400 1344 WIRE -2608 1392 -2608 1344 FLAG 624 544 0 FLAG -16 -192 0 FLAG -960 -208 0 FLAG -2608 1392 0 FLAG -1744 848 IN- IOPIN -1744 848 Out FLAG -1008 192 VS IOPIN -1008 192 In FLAG -1008 320 IN+ IOPIN -1008 320 Out FLAG -400 1056 0 FLAG -64 384 VS IOPIN -64 384 Out FLAG -1488 208 VCC IOPIN -1488 208 Out FLAG -400 880 VCC IOPIN -400 880 In FLAG -1568 560 0 FLAG -608 576 0 SYMBOL voltage -816 96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=2 SYMATTR InstName V1 SYMATTR Value SINE(0 141 50 0) SYMBOL cap 464 112 R0 SYMATTR InstName C1 SYMATTR Value 470µ SYMBOL res 608 96 R0 SYMATTR InstName RL SYMATTR Value 2.5 SYMBOL diode -448 32 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -65 -4 Left 2 SYMATTR InstName D2 SYMATTR Value GSD2004W-V SYMBOL cap -384 128 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMATTR SpiceLine Rser=50m SYMBOL ind2 -32 0 R0 WINDOW 0 -29 22 Left 2 WINDOW 3 -57 100 Left 2 SYMATTR InstName L1 SYMATTR Value 2.2m SYMBOL ind2 64 112 R180 WINDOW 0 -35 99 Left 2 WINDOW 3 -45 17 Left 2 SYMATTR InstName L2 SYMATTR Value 22µ SYMATTR SpiceLine Rser=1m SYMBOL nmos -64 240 R0 SYMATTR InstName M1 SYMATTR Value BSC42DN25NS3 SYMBOL schottky 208 -80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D5 SYMATTR Value RBR5L30A SYMATTR Description Diode SYMATTR Type diode SYMBOL ind2 0 -224 R180 WINDOW 0 -35 99 Left 2 WINDOW 3 -45 17 Left 2 SYMATTR InstName L3 SYMATTR Value 47µ SYMATTR SpiceLine Rser=1m SYMBOL diode -208 -384 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D6 SYMBOL cap -976 -304 R0 SYMATTR InstName C3 SYMATTR Value 10µ SYMBOL res -32 400 R0 SYMATTR InstName Rs SYMATTR Value 0.5 SYMBOL bv -1392 1184 M0 WINDOW 3 -199 114 Left 2 SYMATTR Value V=if(V(IN+)>V(IN-),5V,0V) SYMATTR InstName B1 SYMBOL Digital\\srflop -992 832 R0 WINDOW 3 -111 145 Left 2 SYMATTR Value vhigh=5V vlow=0V SYMATTR InstName A1 SYMBOL voltage -1536 1056 M0 WINDOW 3 -196 104 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 5 5m 10n 10n 80n 30u) SYMATTR InstName V4 SYMBOL Digital\\and -1280 944 R0 WINDOW 3 -101 119 Left 2 SYMATTR Value vhigh=5V vlow=0V SYMATTR InstName A3 SYMBOL Digital\\inv -1424 928 R0 SYMATTR InstName A4 SYMATTR SpiceLine vhigh=5V vlow=0V SYMBOL g2 -1312 272 R180 SYMATTR InstName G1 SYMATTR Value 1m SYMATTR SpiceLine Ilimit=30u SYMBOL res -1328 352 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL cap -1120 384 R0 SYMATTR InstName C6 SYMATTR Value 4p SYMBOL sw -352 1056 M180 SYMATTR InstName S1 SYMATTR Value SW_DRVH SYMBOL sw -352 1088 R0 SYMATTR InstName S2 SYMATTR Value SW_DRVL SYMBOL voltage -1568 272 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL Optos\\PC817C -2016 896 R0 SYMATTR InstName U1 SYMBOL res -2624 864 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -2624 1168 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res -2224 512 R0 SYMATTR InstName R3 SYMATTR Value 1.5k SYMBOL cap -2480 976 R0 WINDOW 3 -16 56 Left 2 SYMATTR Value 0.022µ SYMATTR InstName C7 SYMBOL res -1856 512 R0 SYMATTR InstName R4 SYMATTR Value 4k SYMBOL voltage -2464 1216 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value PULSE(0 2.5 5m 1m 1m 1 1) SYMBOL g2 -2336 1152 M180 SYMATTR InstName G2 SYMATTR Value 40 SYMBOL diode -2240 1072 R0 SYMATTR InstName D8 SYMBOL diode -592 32 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -65 -4 Left 2 SYMATTR InstName D1 SYMATTR Value GSD2004W-V SYMBOL diode -592 336 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -65 -4 Left 2 SYMATTR InstName D3 SYMATTR Value GSD2004W-V SYMBOL diode -448 336 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -65 -4 Left 2 SYMATTR InstName D4 SYMATTR Value GSD2004W-V TEXT -2552 1400 Left 2 !.tran 0 7.1m 7m TEXT -40 -128 Left 2 !K L1 L2 L3 1 TEXT -312 1368 Left 2 !.Model SW_DRVH SW(Ron=1 Roff=10meg Vt=2.25 vh=0.25) TEXT -312 1400 Left 2 !.Model SW_DRVL SW(Ron=1 Roff=10meg Vt=-2.25 vh=0.25)