Version 4 SHEET 1 2520 1844 WIRE 1584 1264 1504 1264 WIRE 1648 1264 1584 1264 WIRE 1760 1264 1728 1264 WIRE 1504 1280 1504 1264 WIRE 1760 1312 1760 1264 WIRE 1584 1360 1584 1264 WIRE 1616 1360 1584 1360 WIRE 1968 1360 1904 1360 WIRE 2064 1360 1968 1360 WIRE 2144 1360 2064 1360 WIRE 2240 1360 2144 1360 WIRE 1504 1376 1504 1360 WIRE 2240 1376 2240 1360 WIRE 1968 1392 1968 1360 WIRE 2144 1392 2144 1360 WIRE 2064 1408 2064 1360 WIRE 2144 1472 2144 1456 WIRE 2240 1472 2240 1456 WIRE 1488 1520 1456 1520 WIRE 1616 1520 1568 1520 WIRE 1968 1520 1968 1472 WIRE 1968 1520 1904 1520 WIRE 2064 1520 2064 1472 WIRE 2064 1520 1968 1520 WIRE 1968 1536 1968 1520 WIRE 1760 1600 1760 1568 WIRE 1968 1632 1968 1616 FLAG 1760 1600 0 FLAG 1504 1376 0 FLAG 1968 1632 0 FLAG 2144 1472 0 FLAG 2240 1472 0 FLAG 1456 1520 0 FLAG 2240 1360 OUT FLAG 1504 1264 IN SYMBOL ind 1632 1280 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 15µ SYMBOL VOLTAGE 1504 1264 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL cap 2128 1456 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C1 SYMATTR Value 2.2µ SYMBOL res 1952 1376 R0 SYMATTR InstName R1 SYMATTR Value 261K SYMBOL res 1952 1520 R0 SYMATTR InstName R2 SYMATTR Value 30.1K SYMBOL PowerProducts\\LT3461 1760 1440 R0 SYMATTR InstName U1 SYMBOL res 2224 1360 R0 SYMATTR InstName Rload SYMATTR Value 300 SYMBOL cap 2048 1472 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 15p SYMBOL VOLTAGE 1584 1520 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V2 SYMATTR Value PWL(0 0 1m 5) TEXT 2088 1584 Left 2 !.tran 600u startup