Version 4 SHEET 1 2728 2324 WIRE 1440 1216 1360 1216 WIRE 1632 1216 1440 1216 WIRE 1664 1216 1632 1216 WIRE 1984 1216 1952 1216 WIRE 2048 1216 1984 1216 WIRE 2144 1216 2112 1216 WIRE 1360 1232 1360 1216 WIRE 1632 1296 1632 1216 WIRE 1664 1296 1632 1296 WIRE 1984 1296 1984 1280 WIRE 1984 1296 1952 1296 WIRE 2032 1296 1984 1296 WIRE 2112 1296 2096 1296 WIRE 1360 1328 1360 1312 WIRE 1984 1344 1984 1296 WIRE 1536 1376 1488 1376 WIRE 1664 1376 1600 1376 WIRE 1568 1456 1552 1456 WIRE 1664 1456 1648 1456 WIRE 1984 1456 1984 1424 WIRE 1984 1456 1952 1456 WIRE 2048 1456 1984 1456 WIRE 2144 1456 2144 1216 WIRE 2144 1456 2112 1456 WIRE 2208 1456 2144 1456 WIRE 2304 1456 2208 1456 WIRE 2208 1472 2208 1456 WIRE 2304 1472 2304 1456 WIRE 1440 1536 1440 1216 WIRE 1664 1536 1440 1536 WIRE 1984 1536 1952 1536 WIRE 2144 1536 2144 1456 WIRE 2144 1536 1984 1536 WIRE 2208 1568 2208 1536 WIRE 2304 1568 2304 1552 WIRE 1664 1616 1616 1616 WIRE 1984 1616 1984 1600 WIRE 1984 1616 1952 1616 WIRE 2144 1616 2144 1536 WIRE 1984 1632 1984 1616 WIRE 1744 1696 1744 1680 WIRE 1872 1696 1872 1680 WIRE 1984 1712 1984 1696 WIRE 1520 1744 1504 1744 WIRE 1616 1744 1616 1616 WIRE 1616 1744 1600 1744 WIRE 2144 1744 2144 1696 WIRE 2144 1744 1616 1744 FLAG 1360 1328 0 FLAG 1504 1744 0 FLAG 2208 1568 0 FLAG 2304 1568 0 FLAG 1488 1456 0 FLAG 2304 1456 OUT FLAG 1872 1696 0 FLAG 1744 1696 0 FLAG 1488 1376 0 FLAG 2112 1296 0 FLAG 1984 1712 0 FLAG 1360 1216 IN SYMBOL ind 1968 1328 R0 SYMATTR InstName L1 SYMATTR Value 100µ SYMBOL VOLTAGE 1360 1216 R0 WINDOW 0 23 21 Left 2 WINDOW 3 24 92 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 8 SYMBOL res 2128 1600 R0 SYMATTR InstName R1 SYMATTR Value 309K SYMBOL res 1616 1728 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 50K SYMBOL cap 2192 1472 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMATTR SpiceLine Rser=10m SYMBOL cap 1552 1440 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 1000p SYMBOL res 1664 1440 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 68K SYMBOL cap 1600 1360 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 30 31 VTop 2 SYMATTR InstName C3 SYMATTR Value .002µ SYMBOL cap 1968 1280 M180 WINDOW 0 30 49 Left 2 WINDOW 3 25 14 Left 2 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL schottky 2048 1472 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 2096 1312 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL diode 2112 1232 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL diode 1968 1536 R0 WINDOW 0 37 27 Left 2 WINDOW 3 29 54 Left 2 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL cap 1968 1696 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C5 SYMATTR Value .01µ SYMBOL PowerProducts\\LT3433 1808 1440 R0 SYMATTR InstName U1 SYMBOL res 2288 1456 R0 SYMATTR InstName Rload SYMATTR Value 250 TEXT 2192 1736 Left 2 !.tran 2m startup