Version 4 SHEET 1 4980 2452 WIRE 3680 1552 3312 1552 WIRE 3888 1552 3680 1552 WIRE 3888 1568 3888 1552 WIRE 3104 1616 2992 1616 WIRE 3184 1616 3104 1616 WIRE 3360 1616 3184 1616 WIRE 3712 1616 3648 1616 WIRE 3808 1616 3776 1616 WIRE 2992 1632 2992 1616 WIRE 3104 1632 3104 1616 WIRE 3184 1632 3184 1616 WIRE 3888 1664 3888 1648 WIRE 3312 1680 3312 1552 WIRE 3360 1680 3312 1680 WIRE 3744 1680 3648 1680 WIRE 3744 1712 3744 1680 WIRE 2992 1728 2992 1712 WIRE 3104 1728 3104 1696 WIRE 3184 1744 3184 1712 WIRE 3360 1744 3184 1744 WIRE 3680 1744 3680 1552 WIRE 3680 1744 3648 1744 WIRE 3184 1760 3184 1744 WIRE 3360 1808 3312 1808 WIRE 3744 1808 3744 1776 WIRE 3744 1808 3648 1808 WIRE 3184 1856 3184 1840 FLAG 3312 1808 0 FLAG 3808 1616 0 FLAG 3888 1664 0 FLAG 3104 1728 0 FLAG 3184 1856 0 FLAG 2992 1728 0 FLAG 3888 1552 IN FLAG 2992 1616 OUT SYMBOL PowerProducts\\LTC1682 3504 1712 R0 SYMATTR InstName U1 SYMBOL cap 3728 1712 R0 SYMATTR InstName C1 SYMATTR Value .22µ SYMBOL cap 3712 1632 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 4.7µ SYMBOL voltage 3888 1552 R0 SYMATTR InstName V1 SYMATTR Value 3.3 SYMBOL cap 3088 1632 R0 SYMATTR InstName C3 SYMATTR Value 2µ SYMBOL res 3168 1616 R0 SYMATTR InstName R1 SYMATTR Value 300K SYMBOL res 3168 1744 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL res 2976 1616 R0 SYMATTR InstName R3 SYMATTR Value 1K TEXT 3696 1840 Left 2 !.tran 1m startup