Version 4 SHEET 1 2856 1824 WIRE 2112 1184 1952 1184 WIRE 1952 1200 1952 1184 WIRE 2112 1232 2112 1184 WIRE 1952 1296 1952 1280 WIRE 1536 1360 1520 1360 WIRE 1616 1360 1600 1360 WIRE 1712 1360 1696 1360 WIRE 2112 1360 2112 1312 WIRE 2112 1360 2032 1360 WIRE 2192 1360 2112 1360 WIRE 2304 1360 2288 1360 WIRE 2352 1360 2304 1360 WIRE 2464 1360 2352 1360 WIRE 2112 1376 2112 1360 WIRE 2352 1376 2352 1360 WIRE 2464 1376 2464 1360 WIRE 1632 1456 1616 1456 WIRE 1712 1456 1696 1456 WIRE 2064 1456 2032 1456 WIRE 2352 1472 2352 1440 WIRE 2464 1472 2464 1456 WIRE 2112 1488 2112 1472 WIRE 1712 1552 1584 1552 WIRE 2272 1552 2272 1408 WIRE 2272 1552 2032 1552 WIRE 1712 1648 1696 1648 WIRE 2080 1648 2032 1648 WIRE 2304 1648 2304 1360 WIRE 2304 1648 2080 1648 WIRE 1792 1728 1792 1712 WIRE 1952 1728 1952 1712 WIRE 1488 1760 1472 1760 WIRE 1584 1760 1584 1552 WIRE 1584 1760 1568 1760 WIRE 1600 1760 1584 1760 WIRE 2080 1760 2080 1648 WIRE 2080 1760 1680 1760 FLAG 1952 1728 0 FLAG 1792 1728 0 FLAG 2112 1488 0 FLAG 1472 1760 0 FLAG 1616 1456 0 FLAG 1520 1360 0 FLAG 1952 1296 0 FLAG 2352 1472 0 FLAG 2464 1472 0 FLAG 2464 1360 OUT FLAG 1696 1648 0 FLAG 1952 1184 IN SYMBOL NMOS 2064 1376 R0 SYMATTR InstName Q1 SYMATTR Value Si9804DY SYMBOL PMOS 2192 1408 R270 WINDOW 0 98 39 VCenter 2 WINDOW 3 67 41 VCenter 2 SYMATTR InstName Q2 SYMATTR Value Si9803DY SYMBOL cap 1696 1440 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .001µ SYMBOL cap 1600 1344 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 220p SYMBOL RES 1696 1744 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 316K SYMBOL res 1584 1744 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL res 1712 1344 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 5K SYMBOL ind 2096 1216 R0 SYMATTR InstName L1 SYMATTR Value 1.8µ SYMBOL VOLTAGE 1952 1184 R0 SYMATTR InstName V1 SYMATTR Value 2.5 SYMBOL cap 2336 1376 R0 SYMATTR InstName C4 SYMATTR Value 200µ SYMATTR SpiceLine Rser=50m SYMBOL res 2448 1360 R0 SYMATTR InstName Rload SYMATTR Value 20 SYMBOL PowerProducts\\LTC1700 1872 1504 R0 SYMATTR InstName U1 TEXT 2208 1704 Left 2 !.tran 1.5m startup