Version 4 SHEET 1 2248 2612 WIRE 1440 2160 1264 2160 WIRE 1744 2160 1728 2160 WIRE 1824 2160 1808 2160 WIRE 1264 2176 1264 2160 WIRE 1440 2256 1360 2256 WIRE 1872 2256 1728 2256 WIRE 1984 2256 1872 2256 WIRE 1360 2272 1360 2256 WIRE 1984 2272 1984 2256 WIRE 1264 2288 1264 2256 WIRE 1872 2288 1872 2256 WIRE 1360 2352 1360 2336 WIRE 1440 2352 1360 2352 WIRE 1792 2352 1728 2352 WIRE 1792 2368 1792 2352 WIRE 1872 2368 1872 2352 WIRE 1984 2368 1984 2352 WIRE 1440 2448 1408 2448 WIRE 1792 2448 1792 2432 WIRE 1792 2448 1728 2448 FLAG 1264 2288 0 FLAG 1408 2448 0 FLAG 1872 2368 0 FLAG 1984 2368 0 FLAG 1984 2256 OUT FLAG 1824 2160 0 FLAG 1264 2160 IN SYMBOL cap 1776 2368 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap 1344 2272 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL cap 1856 2288 R0 SYMATTR InstName C3 SYMATTR Value 10µ SYMBOL RES 1968 2256 R0 SYMATTR InstName Rload SYMATTR Value 18 SYMBOL VOLTAGE 1264 2160 R0 SYMATTR InstName V1 SYMATTR Value 4 SYMBOL cap 1808 2144 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value .01µ SYMBOL PowerProducts\\LTC1911-1.5 1584 2304 R0 SYMATTR InstName U1 TEXT 1776 2504 Left 0 !.tran 10m startup