Version 4 SHEET 1 2528 1112 WIRE 1184 592 1088 592 WIRE 1376 592 1184 592 WIRE 1504 592 1376 592 WIRE 1696 592 1584 592 WIRE 1088 608 1088 592 WIRE 1376 656 1376 592 WIRE 1584 656 1552 656 WIRE 1888 656 1584 656 WIRE 1584 672 1584 656 WIRE 1088 704 1088 688 WIRE 1696 704 1696 592 WIRE 1776 704 1696 704 WIRE 1888 704 1888 656 WIRE 1888 704 1840 704 WIRE 2000 704 1888 704 WIRE 2112 704 2000 704 WIRE 1184 720 1184 592 WIRE 1216 720 1184 720 WIRE 1552 720 1552 656 WIRE 1552 720 1536 720 WIRE 1696 720 1696 704 WIRE 2000 720 2000 704 WIRE 2112 720 2112 704 WIRE 1888 736 1888 704 WIRE 1584 752 1584 736 WIRE 1216 800 960 800 WIRE 1648 800 1536 800 WIRE 2000 816 2000 784 WIRE 2112 816 2112 800 WIRE 1888 832 1888 816 WIRE 1888 832 1824 832 WIRE 1888 848 1888 832 WIRE 1056 880 992 880 WIRE 1152 880 1136 880 WIRE 1216 880 1152 880 WIRE 1696 880 1696 816 WIRE 1696 880 1536 880 WIRE 992 896 992 880 WIRE 1152 896 1152 880 WIRE 1696 896 1696 880 WIRE 1888 944 1888 928 WIRE 1376 960 1376 944 WIRE 992 992 992 960 WIRE 1152 992 1152 960 WIRE 1696 992 1696 976 WIRE 960 1040 960 800 WIRE 1824 1040 1824 832 WIRE 1824 1040 960 1040 FLAG 2112 704 OUT FLAG 1088 704 0 FLAG 2000 816 0 FLAG 2112 816 0 FLAG 1888 944 0 FLAG 992 992 0 FLAG 1376 960 0 FLAG 1696 992 0 FLAG 1584 752 0 FLAG 1088 592 IN FLAG 1152 992 0 SYMBOL IND 1488 608 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 12µ SYMBOL NMOS 1648 720 R0 WINDOW 0 60 20 Left 2 WINDOW 3 60 84 Left 2 SYMATTR InstName Q1 SYMATTR Value Si9804DY SYMBOL VOLTAGE 1088 592 R0 SYMATTR InstName V1 SYMATTR Value 3.3 SYMBOL cap 1136 896 R0 SYMATTR InstName C1 SYMATTR Value 150p SYMBOL cap 976 896 R0 SYMATTR InstName C2 SYMATTR Value .015µ SYMBOL RES 1680 880 R0 SYMATTR InstName R1 SYMATTR Value 14m SYMBOL res 1872 832 R0 SYMATTR InstName R2 SYMATTR Value 12.4K SYMBOL res 1872 720 R0 SYMATTR InstName R3 SYMATTR Value 37.4K SYMBOL res 1152 864 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 25K SYMBOL cap 1568 672 R0 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL polcap 1984 720 R0 SYMATTR InstName C5 SYMATTR Value 440µ SYMATTR SpiceLine Rser=0.065 SYMBOL POWERPRODUCTS\\LT1619 1376 800 R0 SYMATTR InstName U1 SYMBOL schottky 1776 720 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBR735 SYMBOL res 2096 704 R0 SYMATTR InstName Rload SYMATTR Value 3 TEXT 1880 992 Left 2 !.tran 4m startup