Version 4 SHEET 1 3084 2116 WIRE 2432 1280 1616 1280 WIRE 1696 1328 1504 1328 WIRE 1824 1328 1696 1328 WIRE 2080 1328 1952 1328 WIRE 2144 1328 2080 1328 WIRE 2432 1328 2432 1280 WIRE 2432 1328 2208 1328 WIRE 1504 1344 1504 1328 WIRE 2080 1344 2080 1328 WIRE 1824 1360 1824 1328 WIRE 1952 1360 1952 1328 WIRE 2224 1376 2160 1376 WIRE 2320 1376 2224 1376 WIRE 2432 1376 2432 1328 WIRE 2432 1376 2400 1376 WIRE 2496 1376 2432 1376 WIRE 2608 1376 2496 1376 WIRE 2224 1392 2224 1376 WIRE 2496 1392 2496 1376 WIRE 2608 1392 2608 1376 WIRE 1616 1408 1616 1280 WIRE 1696 1424 1696 1328 WIRE 1728 1424 1696 1424 WIRE 2080 1424 2080 1408 WIRE 2080 1424 2048 1424 WIRE 2160 1424 2160 1376 WIRE 2160 1424 2080 1424 WIRE 1504 1440 1504 1424 WIRE 2224 1472 2224 1456 WIRE 2496 1488 2496 1456 WIRE 2608 1488 2608 1472 WIRE 1616 1504 1616 1488 WIRE 1728 1504 1616 1504 WIRE 2096 1504 2048 1504 WIRE 2272 1504 2096 1504 WIRE 2432 1504 2432 1376 WIRE 2432 1504 2272 1504 WIRE 2096 1520 2096 1504 WIRE 2432 1536 2432 1504 WIRE 2272 1552 2272 1504 WIRE 2096 1584 2048 1584 WIRE 1504 1664 1440 1664 WIRE 1600 1664 1568 1664 WIRE 1728 1664 1600 1664 WIRE 2096 1664 2048 1664 WIRE 2272 1664 2272 1616 WIRE 2272 1664 2096 1664 WIRE 2432 1664 2432 1616 WIRE 2432 1664 2272 1664 WIRE 1440 1680 1440 1664 WIRE 1600 1680 1600 1664 WIRE 2432 1680 2432 1664 WIRE 1728 1744 1680 1744 WIRE 2096 1744 2096 1664 WIRE 2096 1744 2048 1744 WIRE 1680 1760 1680 1744 WIRE 1440 1776 1440 1760 WIRE 1600 1776 1600 1744 WIRE 2432 1776 2432 1760 WIRE 1888 1840 1888 1808 WIRE 1680 1856 1680 1824 FLAG 2224 1472 0 FLAG 2432 1776 0 FLAG 2496 1488 0 FLAG 2608 1488 0 FLAG 1888 1840 0 FLAG 1440 1776 0 FLAG 1504 1440 0 FLAG 1600 1776 0 FLAG 1680 1856 0 FLAG 2608 1376 OUT FLAG 1504 1328 IN SYMBOL ind 2304 1392 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL cap 1568 1648 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 1500p SYMBOL cap 2064 1408 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value .33µ SYMBOL schottky 2208 1456 M180 WINDOW 0 36 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMBOL polcap 2480 1392 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMATTR SpiceLine Rser=.1 SYMBOL RES 2416 1520 R0 SYMATTR InstName R1 SYMATTR Value 165K SYMBOL res 2416 1664 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL diode 2208 1312 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL VOLTAGE 1504 1328 R0 SYMATTR InstName V1 SYMATTR Value 14 SYMBOL cap 2080 1520 R0 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL cap 1584 1680 R0 SYMATTR InstName C6 SYMATTR Value 330p SYMBOL res 1424 1664 R0 SYMATTR InstName R3 SYMATTR Value 26K SYMBOL cap 1664 1760 R0 SYMATTR InstName C7 SYMATTR Value 1000p SYMBOL RES 1600 1504 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL cap 2256 1552 R0 SYMATTR InstName C8 SYMATTR Value 10p SYMBOL PowerProducts\\LT1977 1888 1584 R0 SYMATTR InstName U1 SYMBOL res 2592 1376 R0 SYMATTR InstName Rload SYMATTR Value 5 TEXT 2144 1752 Left 2 !.tran 1.5m startup