Version 4 SHEET 1 2472 1616 WIRE 1728 1152 1488 1152 WIRE 1904 1152 1728 1152 WIRE 1488 1168 1488 1152 WIRE 1904 1168 1904 1152 WIRE 1728 1216 1728 1152 WIRE 1488 1264 1488 1248 WIRE 1584 1280 1568 1280 WIRE 1904 1280 1904 1248 WIRE 1904 1280 1872 1280 WIRE 1968 1280 1904 1280 WIRE 2064 1280 2032 1280 WIRE 2176 1280 2064 1280 WIRE 2272 1280 2176 1280 WIRE 2064 1296 2064 1280 WIRE 2176 1296 2176 1280 WIRE 2272 1296 2272 1280 WIRE 2176 1392 2176 1360 WIRE 2272 1392 2272 1376 WIRE 1408 1408 1360 1408 WIRE 1520 1408 1488 1408 WIRE 1584 1408 1520 1408 WIRE 2064 1408 2064 1376 WIRE 2064 1408 1872 1408 WIRE 1360 1424 1360 1408 WIRE 1520 1424 1520 1408 WIRE 2064 1424 2064 1408 WIRE 1728 1488 1728 1472 WIRE 1360 1504 1360 1488 WIRE 1520 1504 1520 1488 WIRE 2064 1520 2064 1504 FLAG 1728 1488 0 FLAG 2064 1520 0 FLAG 2176 1392 0 FLAG 2272 1392 0 FLAG 1520 1504 0 FLAG 1360 1504 0 FLAG 1488 1264 0 FLAG 1488 1152 IN FLAG 2272 1280 OUT SYMBOL ind 1888 1152 R0 SYMATTR InstName L1 SYMATTR Value 6.8µ SYMATTR SpiceLine Rpar=10K SYMBOL schottky 1968 1296 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMBOL RES 2048 1280 R0 SYMATTR InstName R1 SYMATTR Value 90.9K SYMBOL res 2048 1408 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL cap 2160 1296 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap 1504 1488 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL cap 1344 1424 R0 SYMATTR InstName C3 SYMATTR Value 6800p SYMBOL res 1504 1392 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 6.8K SYMBOL VOLTAGE 1488 1152 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL PowerProducts\\LT1961 1728 1344 R0 SYMATTR InstName U1 SYMBOL res 2256 1280 R0 SYMATTR InstName Rload SYMATTR Value 24 TEXT 1808 1512 Left 2 !.tran 500u startup