Version 4 SHEET 1 2484 792 WIRE 1600 -512 1600 -528 WIRE 1600 -416 1600 -432 WIRE -208 -352 -1152 -352 WIRE 560 -352 -208 -352 WIRE 688 -352 656 -352 WIRE 784 -352 752 -352 WIRE 896 -352 784 -352 WIRE 1840 -352 896 -352 WIRE 1920 -352 1840 -352 WIRE 896 -336 896 -352 WIRE 992 -336 896 -336 WIRE -208 -304 -208 -352 WIRE 992 -304 992 -336 WIRE 896 -240 896 -336 WIRE 1264 -240 1200 -240 WIRE 1392 -240 1328 -240 WIRE -336 -208 -816 -208 WIRE -1152 -192 -1152 -352 WIRE -1152 -192 -1232 -192 WIRE -1072 -192 -1152 -192 WIRE -208 -192 -208 -240 WIRE 992 -192 992 -224 WIRE 1712 -160 1504 -160 WIRE -1232 -144 -1232 -192 WIRE -1072 -144 -1072 -192 WIRE -816 -144 -816 -208 WIRE -816 -144 -912 -144 WIRE -912 -112 -912 -144 WIRE 560 -112 560 -352 WIRE 656 -112 656 -352 WIRE 1200 -112 1200 -240 WIRE 1216 -112 1200 -112 WIRE 1312 -112 1296 -112 WIRE 1392 -112 1392 -240 WIRE 1392 -112 1376 -112 WIRE -816 -96 -816 -144 WIRE -768 -96 -816 -96 WIRE -544 -96 -544 -112 WIRE -544 -96 -576 -96 WIRE -464 -96 -544 -96 WIRE 896 -80 896 -160 WIRE 992 -80 992 -128 WIRE 992 -80 896 -80 WIRE 112 -64 32 -64 WIRE -1232 -48 -1232 -80 WIRE -1232 -48 -1424 -48 WIRE 1472 -48 1472 -80 WIRE 1504 -48 1504 -160 WIRE 1504 -48 1472 -48 WIRE -768 -32 -816 -32 WIRE 112 -32 112 -64 WIRE 1840 -16 1840 -352 WIRE -1424 0 -1424 -48 WIRE -544 0 -544 -16 WIRE -544 0 -576 0 WIRE 784 0 784 -352 WIRE -912 16 -912 -48 WIRE -816 16 -816 -32 WIRE -816 16 -912 16 WIRE 1312 16 1312 0 WIRE 896 32 896 -80 WIRE 1008 32 896 32 WIRE 1200 32 1200 -112 WIRE 1200 32 1088 32 WIRE 1280 32 1200 32 WIRE 1392 48 1392 -112 WIRE 1392 48 1344 48 WIRE 1408 48 1392 48 WIRE 1504 48 1504 -48 WIRE 1504 48 1488 48 WIRE 1520 48 1504 48 WIRE -160 64 -240 64 WIRE 112 64 112 48 WIRE 1280 64 1232 64 WIRE -240 96 -240 64 WIRE 1232 96 1232 64 WIRE 32 112 32 -64 WIRE 560 128 560 -32 WIRE 896 128 896 32 WIRE -1424 144 -1424 80 WIRE -1072 144 -1072 -80 WIRE -1072 144 -1424 144 WIRE -1232 176 -1232 -48 WIRE -1072 176 -1072 144 WIRE -160 176 -160 64 WIRE -128 176 -160 176 WIRE 304 208 192 208 WIRE 512 208 384 208 WIRE -336 240 -336 -208 WIRE -128 240 -336 240 WIRE -1232 288 -1232 240 WIRE -1152 288 -1232 288 WIRE -1072 288 -1072 240 WIRE -1072 288 -1152 288 WIRE -320 304 -368 304 WIRE -192 304 -320 304 WIRE -128 304 -192 304 WIRE -320 320 -320 304 WIRE -464 336 -464 -96 WIRE -464 336 -480 336 WIRE 272 336 192 336 WIRE 304 336 272 336 WIRE 560 336 560 224 WIRE 560 336 384 336 WIRE -128 368 -256 368 WIRE 560 368 560 336 WIRE -544 384 -544 0 WIRE -544 384 -560 384 WIRE 272 400 272 336 WIRE -320 416 -320 400 WIRE -256 416 -256 368 WIRE -256 416 -320 416 WIRE -192 432 -192 304 WIRE -320 448 -320 416 WIRE -1152 544 -1152 288 WIRE -816 544 -816 16 WIRE -816 544 -1152 544 WIRE -320 544 -320 512 WIRE -320 544 -816 544 WIRE -192 544 -192 496 WIRE -192 544 -320 544 WIRE 16 544 -192 544 WIRE 32 544 32 432 WIRE 32 544 16 544 WIRE 272 544 272 464 WIRE 272 544 32 544 WIRE 560 544 560 448 WIRE 560 544 272 544 WIRE 656 544 656 -32 WIRE 784 544 784 64 WIRE 784 544 656 544 WIRE 896 544 896 208 WIRE 896 544 784 544 WIRE 1232 544 1232 176 WIRE 1232 544 896 544 WIRE 1312 544 1312 80 WIRE 1312 544 1232 544 WIRE 1840 544 1840 64 WIRE 1840 544 1312 544 WIRE 16 576 16 544 WIRE 784 576 784 544 WIRE -464 656 -464 336 WIRE 1648 656 1648 16 WIRE 1648 656 -464 656 WIRE -544 704 -544 384 WIRE 1712 704 1712 -160 WIRE 1712 704 -544 704 FLAG 112 64 0 FLAG 784 576 0 FLAG 16 576 0 FLAG -368 304 VREF FLAG -480 336 A FLAG -560 384 C FLAG 1600 -416 0 FLAG 1600 -528 5V FLAG 1312 0 5V FLAG 1648 16 5V FLAG 1472 -80 C FLAG -544 -112 A FLAG -544 -16 C FLAG -208 -192 0 FLAG 1920 -352 VOUT FLAG -240 96 0 SYMBOL voltage -1424 -16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 132 Left 2 SYMATTR SpiceLine Rser=0.05 SYMATTR InstName V1 SYMATTR Value SINE(0 330 50) SYMBOL ind2 544 -128 R0 WINDOW 3 -61 20 Left 2 WINDOW 0 -34 82 Left 2 SYMATTR Value 500µ SYMATTR InstName L1 SYMATTR Type ind SYMATTR SpiceLine Rser=0.1 SYMBOL res 544 352 R0 SYMATTR InstName R1 SYMATTR Value 0.94 SYMBOL res 400 320 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 560 SYMBOL res 400 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 2r2 SYMBOL res -304 416 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 3k3 SYMBOL voltage 112 -48 R0 WINDOW 123 0 0 Left 2 WINDOW 39 38 51 Left 2 SYMATTR SpiceLine Rser=0.05 SYMATTR InstName V2 SYMATTR Value 17.1 SYMBOL schottky 688 -336 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 768 0 R0 SYMATTR InstName C1 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.1 SYMBOL ind2 672 -16 R180 WINDOW 0 -27 18 Left 2 WINDOW 3 -62 120 Left 2 SYMATTR InstName L2 SYMATTR Value 350µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.1 SYMBOL nmos 512 128 R0 WINDOW 3 -34 -23 Left 2 SYMATTR Value SPA11N60C3 SYMATTR InstName M1 SYMBOL cap 256 400 R0 SYMATTR InstName C2 SYMATTR Value 330p SYMATTR SpiceLine Rser=0.04 SYMBOL cap -336 448 R0 SYMATTR InstName C3 SYMATTR Value 4n7 SYMBOL cap -208 432 R0 SYMATTR InstName C4 SYMATTR Value 3µ3 SYMATTR SpiceLine Rser=0.04 SYMBOL res 880 -256 R0 WINDOW 0 -46 45 Left 2 WINDOW 3 -51 -4 Left 2 SYMATTR InstName R7 SYMATTR Value 27500 SYMBOL res 880 112 R0 WINDOW 0 -37 23 Left 2 WINDOW 3 -56 99 Left 2 SYMATTR InstName R8 SYMATTR Value 2500 SYMBOL Optos\\CNY17-2 -672 -32 M0 SYMATTR InstName U2 SYMBOL Opamps\\LT1006 1312 -16 R0 SYMATTR InstName U3 SYMBOL voltage 1232 80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 110 Left 2 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V3 SYMATTR Value 2.5 SYMBOL voltage 1600 -528 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 30 Left 2 SYMATTR SpiceLine Rser=0.1 SYMATTR InstName V4 SYMATTR Value 5 SYMBOL res 1312 -128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R14 SYMATTR Value 10k SYMBOL cap 1376 -128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 100n SYMATTR SpiceLine Rser=0.05 SYMBOL res 1504 32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R15 SYMATTR Value 470 SYMBOL res 1824 -32 R0 SYMATTR InstName R13 SYMATTR Value 40 SYMBOL PowerProducts\\LT1243 32 272 R0 SYMATTR InstName U1 SYMBOL diode -1216 -80 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value MUR460 SYMBOL diode -1216 240 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D3 SYMATTR Value MUR460 SYMBOL diode -1056 -80 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value MUR460 SYMBOL diode -1056 240 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value MUR460 SYMBOL cap -224 -304 R0 SYMATTR InstName C8 SYMATTR Value 3µ3 SYMATTR SpiceLine Rser=0.04 SYMBOL cap 1328 -256 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C9 SYMATTR Value 470p SYMATTR SpiceLine Rser=0.04 SYMBOL res 976 -320 R0 SYMATTR InstName R9 SYMATTR Value 5k1 SYMBOL cap 976 -192 R0 SYMATTR InstName C5 SYMATTR Value 10n SYMATTR SpiceLine Rser=0.04 SYMBOL cap -928 -112 R0 SYMATTR InstName C6 SYMATTR Value 33n SYMATTR SpiceLine Rser=0.04 SYMBOL res 992 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 22k TEXT 448 -176 Left 2 !K L1 L2 1 TEXT 456 776 Left 2 !.tran 0 100m 0 startup TEXT 1864 -40 Left 4 ;LOAD TEXT 256 -312 Left 2 ;Leakage omitted\nfor simulation speed's\nsake. TEXT 1296 -440 Left 2 ;.ic V(VOUT) = 30V