Version 4 SHEET 1 2984 1720 WIRE 2000 1200 1824 1200 WIRE 2384 1200 2000 1200 WIRE 1824 1216 1824 1200 WIRE 2384 1216 2384 1200 WIRE 1824 1312 1824 1296 WIRE 2384 1312 2384 1296 WIRE 2448 1312 2384 1312 WIRE 2560 1312 2512 1312 WIRE 2672 1312 2560 1312 WIRE 2784 1312 2672 1312 WIRE 2560 1328 2560 1312 WIRE 2672 1328 2672 1312 WIRE 2784 1328 2784 1312 WIRE 2000 1344 2000 1200 WIRE 2336 1392 2144 1392 WIRE 1856 1424 1760 1424 WIRE 2560 1424 2560 1408 WIRE 2560 1424 2464 1424 WIRE 2672 1424 2672 1392 WIRE 2784 1424 2784 1408 WIRE 1760 1440 1760 1424 WIRE 2560 1440 2560 1424 WIRE 2384 1456 2384 1408 WIRE 2384 1456 2144 1456 WIRE 2208 1472 2176 1472 WIRE 2304 1472 2208 1472 WIRE 2384 1472 2384 1456 WIRE 2304 1488 2304 1472 WIRE 2176 1520 2176 1472 WIRE 2176 1520 2144 1520 WIRE 2208 1520 2208 1472 WIRE 2560 1536 2560 1520 WIRE 1760 1552 1760 1520 WIRE 1856 1552 1760 1552 WIRE 2384 1568 2384 1552 WIRE 1760 1584 1760 1552 WIRE 2176 1584 2144 1584 WIRE 2304 1584 2304 1568 WIRE 1760 1664 1760 1648 WIRE 2176 1664 2176 1584 WIRE 2208 1664 2208 1584 WIRE 2208 1664 2176 1664 WIRE 2304 1664 2304 1648 WIRE 2304 1664 2208 1664 WIRE 2464 1664 2464 1424 WIRE 2464 1664 2304 1664 WIRE 2000 1680 2000 1632 FLAG 2384 1568 0 FLAG 2000 1680 0 FLAG 1824 1312 0 FLAG 2672 1424 0 FLAG 2560 1536 0 FLAG 1760 1664 0 FLAG 2784 1424 0 FLAG 2784 1312 OUT FLAG 1824 1200 IN SYMBOL NMOS 2336 1312 R0 WINDOW 0 -8 16 Right 2 WINDOW 3 36 108 Right 2 SYMATTR InstName Q1 SYMATTR Value Si4410DY SYMBOL RES 2368 1456 R0 SYMATTR InstName R1 SYMATTR Value .1 SYMBOL res 1744 1424 R0 SYMATTR InstName R2 SYMATTR Value 6.2K SYMBOL cap 1744 1648 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C1 SYMATTR Value 500p SYMBOL cap 2192 1520 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL ind 2368 1200 R0 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL VOLTAGE 1824 1200 R0 SYMATTR InstName V1 SYMATTR Value 17 SYMBOL schottky 2448 1296 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMBOL polcap 2656 1328 R0 SYMATTR SpiceLine Rser=25m SYMATTR InstName C3 SYMATTR Value 390µ SYMBOL res 2544 1312 R0 SYMATTR InstName R3 SYMATTR Value 90K SYMBOL res 2544 1424 R0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL cap 2288 1584 R0 SYMATTR InstName C4 SYMATTR Value 250p SYMBOL res 2288 1472 R0 SYMATTR InstName R5 SYMATTR Value 3K SYMBOL PowerProducts\\LT1247 2000 1488 R0 SYMATTR InstName U1 SYMBOL res 2768 1312 R0 SYMATTR InstName Rload SYMATTR Value 10 TEXT 2520 1624 Left 2 !.tran 2m startup