Version 4 SHEET 1 3332 1928 WIRE 1360 784 1232 784 WIRE 1840 784 1360 784 WIRE 2672 784 1840 784 WIRE 2736 784 2672 784 WIRE 2832 784 2736 784 WIRE 1232 800 1232 784 WIRE 2080 848 1520 848 WIRE 2160 848 2080 848 WIRE 2560 848 2224 848 WIRE 2736 848 2736 784 WIRE 1232 896 1232 880 WIRE 1520 912 1520 848 WIRE 1840 912 1840 784 WIRE 2080 912 2080 848 WIRE 2320 912 2320 880 WIRE 2832 944 2832 784 WIRE 1664 992 1616 992 WIRE 2736 992 2736 928 WIRE 2736 992 2496 992 WIRE 2768 992 2736 992 WIRE 1360 1072 1360 784 WIRE 1520 1072 1520 976 WIRE 1664 1072 1520 1072 WIRE 2832 1072 2832 1040 WIRE 2832 1072 2496 1072 WIRE 2944 1072 2832 1072 WIRE 2832 1088 2832 1072 WIRE 2944 1088 2944 1072 WIRE 1664 1152 1408 1152 WIRE 2560 1152 2560 848 WIRE 2560 1152 2496 1152 WIRE 2672 1152 2672 784 WIRE 2832 1184 2832 1168 WIRE 2944 1184 2944 1152 WIRE 1120 1200 1088 1200 WIRE 1232 1200 1200 1200 WIRE 1360 1200 1360 1168 WIRE 1360 1200 1232 1200 WIRE 1520 1200 1520 1136 WIRE 1520 1200 1360 1200 WIRE 1360 1232 1360 1200 WIRE 1520 1232 1520 1200 WIRE 1664 1232 1520 1232 WIRE 2624 1232 2496 1232 WIRE 1232 1264 1232 1200 WIRE 2560 1280 2560 1216 WIRE 2672 1280 2672 1248 WIRE 2672 1280 2560 1280 WIRE 2800 1280 2672 1280 WIRE 2832 1280 2800 1280 WIRE 2944 1280 2912 1280 WIRE 1664 1312 1408 1312 WIRE 2560 1312 2560 1280 WIRE 2560 1312 2496 1312 WIRE 2672 1312 2672 1280 WIRE 2800 1328 2800 1280 WIRE 1232 1360 1232 1328 WIRE 1360 1360 1360 1328 WIRE 1088 1392 1088 1200 WIRE 1456 1392 1088 1392 WIRE 1664 1392 1456 1392 WIRE 2624 1392 2496 1392 WIRE 2672 1440 2672 1408 WIRE 2800 1440 2800 1392 WIRE 1456 1472 1456 1456 WIRE 1456 1472 1088 1472 WIRE 1616 1472 1616 992 WIRE 1616 1472 1456 1472 WIRE 1664 1472 1616 1472 WIRE 2560 1472 2496 1472 WIRE 2944 1472 2944 1280 WIRE 2944 1472 2560 1472 WIRE 1088 1552 1088 1472 WIRE 1088 1552 944 1552 WIRE 1200 1552 1088 1552 WIRE 1344 1552 1280 1552 WIRE 1664 1552 1344 1552 WIRE 2560 1552 2560 1536 WIRE 2560 1552 2496 1552 WIRE 2944 1552 2560 1552 WIRE 944 1568 944 1552 WIRE 1088 1568 1088 1552 WIRE 1344 1568 1344 1552 WIRE 1664 1632 1648 1632 WIRE 2720 1632 2496 1632 WIRE 2800 1632 2720 1632 WIRE 2944 1632 2944 1552 WIRE 2944 1632 2880 1632 WIRE 3056 1632 2944 1632 WIRE 2720 1648 2720 1632 WIRE 2944 1648 2944 1632 WIRE 3056 1648 3056 1632 WIRE 944 1664 944 1648 WIRE 1088 1664 1088 1632 WIRE 1344 1664 1344 1648 WIRE 1664 1712 1568 1712 WIRE 2544 1712 2496 1712 WIRE 2720 1744 2720 1728 WIRE 2944 1744 2944 1712 WIRE 3056 1744 3056 1728 WIRE 1568 1792 1568 1776 WIRE 1568 1792 1456 1792 WIRE 2544 1792 2544 1776 WIRE 2672 1792 2544 1792 WIRE 1456 1808 1456 1792 WIRE 1568 1808 1568 1792 WIRE 1760 1808 1760 1792 WIRE 1920 1808 1920 1792 WIRE 2080 1808 2080 1792 WIRE 2240 1808 2240 1792 WIRE 2400 1808 2400 1792 WIRE 2544 1808 2544 1792 WIRE 2672 1808 2672 1792 WIRE 1760 1888 1760 1872 WIRE 1920 1888 1920 1872 WIRE 2400 1888 2400 1872 WIRE 1456 1904 1456 1872 WIRE 1568 1904 1568 1888 WIRE 2544 1904 2544 1888 WIRE 2672 1904 2672 1872 FLAG 1920 1888 0 FLAG 2080 1808 0 FLAG 1760 1888 0 FLAG 2400 1888 0 FLAG 2240 1808 0 FLAG 2672 1440 0 FLAG 2800 1440 0 FLAG 1360 1360 0 FLAG 1232 1360 0 FLAG 1088 1664 0 FLAG 2944 1744 0 FLAG 2544 1904 0 FLAG 2672 1904 0 FLAG 1568 1904 0 FLAG 1456 1904 0 FLAG 944 1664 0 FLAG 3056 1744 0 FLAG 2832 1184 0 FLAG 1232 896 0 FLAG 2720 1744 0 FLAG 2944 1184 0 FLAG 1344 1664 0 FLAG 944 1552 OUT1 FLAG 3056 1632 OUT2 FLAG 1232 784 IN SYMBOL cap 1744 1808 R0 SYMATTR InstName C1 SYMATTR Value .01µ SYMBOL cap 1904 1808 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL cap 2384 1808 R0 SYMATTR InstName C3 SYMATTR Value .01µ SYMBOL NMOS 2624 1152 R0 SYMATTR InstName Q1 SYMATTR Value Si4410DY SYMBOL nmos 2624 1312 R0 SYMATTR InstName Q2 SYMATTR Value Si4410DY SYMBOL ind 2816 1296 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMBOL schottky 2784 1392 M180 WINDOW 0 24 72 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMBOL RES 2928 1456 R0 SYMATTR InstName R1 SYMATTR Value .03 SYMBOL cap 2544 1152 R0 SYMATTR Value .1µ SYMATTR InstName C4 SYMBOL schottky 2160 864 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N5818 SYMBOL schottky 1504 912 R0 SYMATTR InstName D3 SYMATTR Value 1N5818 SYMBOL nmos 1408 1072 M0 WINDOW 0 30 -6 Right 2 WINDOW 3 34 102 Right 2 SYMATTR InstName Q3 SYMATTR Value Si4410DY SYMBOL nmos 1408 1232 M0 WINDOW 0 -2 29 Right 2 WINDOW 3 33 102 Right 2 SYMATTR InstName Q4 SYMATTR Value Si4410DY SYMBOL ind 1216 1216 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 10µ SYMBOL schottky 1216 1328 M180 WINDOW 0 24 72 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value 1N5818 SYMBOL res 1072 1376 R0 SYMATTR InstName R2 SYMATTR Value .03 SYMBOL cap 1504 1072 R0 WINDOW 0 33 18 Left 2 WINDOW 3 26 59 Left 2 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL polcap 1072 1568 R0 SYMATTR InstName C6 SYMATTR Value 220µ SYMBOL polcap 2928 1648 R0 SYMATTR InstName C7 SYMATTR Value 220µ SYMBOL res 2528 1792 R0 SYMATTR InstName R3 SYMATTR Value 10K SYMBOL cap 2528 1712 R0 SYMATTR InstName C8 SYMATTR Value 1000p SYMBOL cap 2656 1808 R0 SYMATTR InstName C9 SYMATTR Value 470p SYMBOL res 1552 1792 R0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL cap 1552 1712 R0 WINDOW 0 26 17 Left 2 WINDOW 3 27 57 Left 2 SYMATTR InstName C10 SYMATTR Value 1000p SYMBOL cap 1440 1808 R0 SYMATTR InstName C11 SYMATTR Value 470p SYMBOL cap 2544 1472 R0 WINDOW 0 39 24 Left 2 WINDOW 3 32 58 Left 2 SYMATTR InstName C12 SYMATTR Value 1000p SYMBOL cap 1440 1392 R0 WINDOW 0 33 19 Left 2 SYMATTR InstName C13 SYMATTR Value 1000p SYMBOL PNP 2768 1040 M180 WINDOW 0 55 62 Left 2 WINDOW 3 57 26 Left 2 SYMATTR InstName Q5 SYMATTR Value 2N2907 SYMBOL res 2816 1072 R0 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL res 2720 832 R0 SYMATTR InstName R6 SYMATTR Value 1K SYMBOL VOLTAGE 1232 784 R0 SYMATTR InstName V1 SYMATTR Value 20 SYMBOL RES 2704 1632 R0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL RES 2896 1616 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 177K SYMBOL polcap 2928 1088 R0 SYMATTR InstName C14 SYMATTR Value 1µ SYMBOL POWERPRODUCTS\\LTC1438-ADJ 2080 1312 R0 SYMATTR InstName U1 SYMBOL RES 1328 1552 R0 SYMATTR InstName R9 SYMATTR Value 100K SYMBOL RES 1184 1536 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 177K SYMBOL res 928 1552 R0 SYMATTR InstName Rload1 SYMATTR Value 5 SYMBOL res 3040 1632 R0 SYMATTR InstName Rload2 SYMATTR Value 5 TEXT 2824 1856 Left 2 !.tran 6m startup