Version 4 SHEET 1 2720 1336 WIRE 992 880 992 800 WIRE 992 912 992 880 WIRE 1008 800 992 800 WIRE 1072 880 992 880 WIRE 1136 800 1088 800 WIRE 1200 720 1200 592 WIRE 1200 880 1136 880 WIRE 1200 1040 1200 880 WIRE 1232 720 1200 720 WIRE 1232 800 1200 800 WIRE 1232 880 1200 880 WIRE 1392 656 1392 560 WIRE 1392 1008 1392 944 WIRE 1616 720 1552 720 WIRE 1616 880 1552 880 WIRE 1616 880 1616 784 WIRE 1664 592 1200 592 WIRE 1664 704 1664 592 WIRE 1696 800 1552 800 WIRE 1744 560 1392 560 WIRE 1744 592 1744 560 WIRE 1744 704 1664 704 WIRE 1744 704 1744 672 WIRE 1744 720 1744 704 WIRE 1744 880 1616 880 WIRE 1744 880 1744 816 WIRE 1744 912 1744 880 WIRE 1744 1008 1744 976 WIRE 1792 880 1744 880 WIRE 1888 560 1744 560 WIRE 1888 592 1888 560 WIRE 1888 704 1744 704 WIRE 1888 704 1888 656 WIRE 1904 880 1872 880 WIRE 1904 896 1904 880 WIRE 1904 992 1904 960 WIRE 1904 1040 1200 1040 WIRE 1904 1040 1904 992 WIRE 2016 560 1888 560 WIRE 2016 624 2016 560 WIRE 2016 768 2016 688 WIRE 2016 880 1904 880 WIRE 2016 896 2016 880 WIRE 2016 992 1904 992 WIRE 2016 992 2016 976 WIRE 2016 1008 2016 992 WIRE 2016 1104 2016 1088 WIRE 2128 560 2016 560 WIRE 2128 624 2128 560 WIRE 2128 768 2128 688 WIRE 2144 880 2016 880 WIRE 2144 960 2144 880 WIRE 2144 1104 2144 1024 WIRE 2256 560 2128 560 WIRE 2256 624 2256 560 WIRE 2256 768 2256 704 WIRE 2256 880 2144 880 WIRE 2256 960 2256 880 WIRE 2256 1104 2256 1024 WIRE 2384 880 2256 880 WIRE 2384 960 2384 880 WIRE 2384 1104 2384 1040 FLAG 2256 560 IN FLAG 2384 880 OUT FLAG 2016 768 0 FLAG 2256 768 0 FLAG 2144 1104 0 FLAG 2384 1104 0 FLAG 2016 1104 0 FLAG 992 912 0 FLAG 1744 1008 0 FLAG 1392 1008 0 FLAG 2128 768 0 FLAG 2256 1104 0 SYMBOL IND 1776 896 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=0.02 SYMBOL NMOS 1696 720 R0 SYMATTR InstName M1 SYMATTR Value Si4412DY SYMBOL VOLTAGE 2256 608 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMATTR SpiceLine RSER=.01 SYMBOL cap 1136 864 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL cap 1200 784 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 470p SYMBOL RES 1728 688 M180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R1 SYMATTR Value 0.033 SYMBOL res 2000 992 R0 SYMATTR InstName R4 SYMATTR Value 11K SYMBOL res 2000 880 R0 SYMATTR InstName R3 SYMATTR Value 35.7K SYMBOL res 1104 784 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 6.8K SYMBOL schottky 1728 976 M180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value MBRS340 SYMBOL cap 1600 720 R0 WINDOW 3 26 55 Left 0 SYMATTR Value .1µ SYMATTR InstName C3 SYMBOL cap 1888 896 R0 SYMATTR InstName C5 SYMATTR Value 100p SYMBOL cap 1872 592 R0 SYMATTR InstName C7 SYMATTR Value 1000p SYMBOL LOAD2 2384 960 R0 SYMATTR InstName Iload SYMATTR Value 3000mA SYMATTR SpiceLine LOAD SYMBOL polcap 2240 960 R0 SYMATTR InstName C9 SYMATTR Value 100µ SYMATTR SpiceLine Rser=50m SYMBOL polcap 2128 960 R0 SYMATTR InstName C6 SYMATTR Value 100µ SYMATTR SpiceLine Rser=50m SYMBOL polcap 2112 624 R0 SYMATTR InstName C8 SYMATTR Value 22µ SYMBOL polcap 2000 624 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMBOL POWERPRODUCTS\\LTC1624 1392 800 R0 SYMATTR InstName U1 TEXT 1392 1080 Left 0 !.tran 100 steady nodiscard startup