Version 4
SHEET 1 3492 2040
WIRE 1264 624 1040 624
WIRE 1744 624 1264 624
WIRE 2416 624 1744 624
WIRE 2720 624 2416 624
WIRE 2864 624 2720 624
WIRE 2992 624 2864 624
WIRE 1040 656 1040 624
WIRE 1616 688 1520 688
WIRE 1968 688 1616 688
WIRE 2288 688 1968 688
WIRE 2544 688 2352 688
WIRE 2864 688 2864 624
WIRE 1744 752 1744 624
WIRE 1968 752 1968 688
WIRE 2192 752 2192 720
WIRE 2416 752 2416 624
WIRE 1040 768 1040 736
WIRE 2992 784 2992 624
WIRE 1520 816 1520 688
WIRE 1664 832 1648 832
WIRE 2864 832 2864 768
WIRE 2864 832 2496 832
WIRE 2928 832 2864 832
WIRE 1664 912 1648 912
WIRE 2992 912 2992 880
WIRE 2992 912 2496 912
WIRE 3104 912 2992 912
WIRE 2992 928 2992 912
WIRE 3104 928 3104 912
WIRE 1664 992 1648 992
WIRE 2512 992 2496 992
WIRE 1264 1008 1264 624
WIRE 1264 1008 1008 1008
WIRE 2720 1008 2720 624
WIRE 2880 1008 2720 1008
WIRE 2992 1024 2992 1008
WIRE 3104 1024 3104 992
WIRE 1008 1040 1008 1008
WIRE 2880 1040 2880 1008
WIRE 1424 1072 1408 1072
WIRE 1520 1072 1520 880
WIRE 1520 1072 1488 1072
WIRE 1664 1072 1520 1072
WIRE 2544 1072 2544 688
WIRE 2544 1072 2496 1072
WIRE 2560 1072 2544 1072
WIRE 2640 1072 2624 1072
WIRE 1360 1120 1056 1120
WIRE 2832 1120 2672 1120
WIRE 1264 1152 1264 1008
WIRE 1360 1152 1360 1120
WIRE 1664 1152 1360 1152
WIRE 2672 1152 2672 1120
WIRE 2672 1152 2496 1152
WIRE 2720 1152 2720 1008
WIRE 1664 1232 1312 1232
WIRE 2672 1232 2496 1232
WIRE 912 1280 896 1280
WIRE 1008 1280 1008 1136
WIRE 1008 1280 992 1280
WIRE 1264 1280 1264 1248
WIRE 1264 1280 1008 1280
WIRE 2720 1280 2720 1248
WIRE 2880 1280 2880 1136
WIRE 2880 1280 2720 1280
WIRE 2912 1280 2880 1280
WIRE 3008 1280 2992 1280
WIRE 1264 1312 1264 1280
WIRE 1408 1312 1408 1072
WIRE 1408 1312 1264 1312
WIRE 1664 1312 1408 1312
WIRE 2640 1312 2640 1072
WIRE 2640 1312 2496 1312
WIRE 2720 1312 2720 1280
WIRE 2720 1312 2640 1312
WIRE 1008 1328 1008 1280
WIRE 2880 1328 2880 1280
WIRE 1664 1392 1312 1392
WIRE 2672 1392 2496 1392
WIRE 1008 1440 1008 1392
WIRE 1264 1440 1264 1408
WIRE 2720 1440 2720 1408
WIRE 2880 1440 2880 1392
WIRE 896 1472 896 1280
WIRE 1424 1472 896 1472
WIRE 1664 1472 1424 1472
WIRE 2560 1472 2496 1472
WIRE 3008 1472 3008 1280
WIRE 3008 1472 2560 1472
WIRE 896 1552 752 1552
WIRE 1424 1552 1424 1536
WIRE 1424 1552 896 1552
WIRE 1664 1552 1424 1552
WIRE 2560 1552 2560 1536
WIRE 2560 1552 2496 1552
WIRE 3008 1552 2560 1552
WIRE 752 1568 752 1552
WIRE 896 1584 896 1552
WIRE 1664 1632 1648 1632
WIRE 3008 1632 3008 1552
WIRE 3008 1632 2496 1632
WIRE 3184 1632 3008 1632
WIRE 3008 1648 3008 1632
WIRE 3184 1648 3184 1632
WIRE 752 1664 752 1648
WIRE 896 1664 896 1648
WIRE 1616 1712 1616 688
WIRE 1664 1712 1616 1712
WIRE 2512 1712 2496 1712
WIRE 3008 1744 3008 1712
WIRE 3184 1744 3184 1728
WIRE 1664 1792 1584 1792
WIRE 2544 1792 2496 1792
WIRE 1584 1872 1584 1856
WIRE 1584 1872 1456 1872
WIRE 2544 1872 2544 1856
WIRE 2672 1872 2544 1872
WIRE 1456 1888 1456 1872
WIRE 1584 1888 1584 1872
WIRE 1760 1888 1760 1872
WIRE 1920 1888 1920 1872
WIRE 2080 1888 2080 1872
WIRE 2240 1888 2240 1872
WIRE 2400 1888 2400 1872
WIRE 2544 1888 2544 1872
WIRE 2672 1888 2672 1872
WIRE 1760 1968 1760 1952
WIRE 1920 1968 1920 1952
WIRE 2400 1968 2400 1952
WIRE 1456 1984 1456 1952
WIRE 1584 1984 1584 1968
WIRE 2544 1984 2544 1968
WIRE 2672 1984 2672 1952
FLAG 1920 1968 0
FLAG 2080 1888 0
FLAG 1760 1968 0
FLAG 2400 1968 0
FLAG 2240 1888 0
FLAG 2720 1440 0
FLAG 2880 1440 0
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FLAG 1008 1440 0
FLAG 896 1664 0
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FLAG 2512 1712 0
FLAG 2544 1984 0
FLAG 2672 1984 0
FLAG 1584 1984 0
FLAG 1456 1984 0
FLAG 752 1664 0
FLAG 3184 1744 0
FLAG 2992 1024 0
FLAG 1040 768 0
FLAG 3104 1024 0
FLAG 752 1552 OUT1
FLAG 3184 1632 OUT2
FLAG 1040 624 IN
SYMBOL cap 1744 1888 R0
SYMATTR InstName C1
SYMATTR Value .01ľ
SYMBOL cap 1904 1888 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 2384 1888 R0
SYMATTR InstName C3
SYMATTR Value .01ľ
SYMBOL NMOS 2832 1040 R0
WINDOW 0 60 -4 Left 0
WINDOW 3 56 44 Left 0
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 2672 1152 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL nmos 2672 1312 R0
SYMATTR InstName Q3
SYMATTR Value Si4410DY
SYMBOL ind 2896 1296 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 10ľ
SYMBOL schottky 2864 1392 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL RES 2992 1456 R0
SYMATTR InstName R1
SYMATTR Value .03
SYMBOL cap 2560 1088 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
WINDOW 38 0 32 VBottom 0
WINDOW 39 0 32 VBottom 0
WINDOW 40 0 32 VBottom 0
WINDOW 123 0 32 VBottom 0
SYMATTR InstName C4
SYMATTR Value .1ľ
SYMBOL schottky 2288 704 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL schottky 1504 816 R0
SYMATTR InstName D3
SYMATTR Value 1N5818
SYMBOL nmos 1056 1040 M0
WINDOW 0 1 22 Right 0
WINDOW 3 4 98 Right 0
SYMATTR InstName Q4
SYMATTR Value Si4410DY
SYMBOL nmos 1312 1152 M0
WINDOW 0 3 37 Right 0
WINDOW 3 34 99 Right 0
SYMATTR InstName Q5
SYMATTR Value Si4410DY
SYMBOL nmos 1312 1312 M0
WINDOW 0 -2 33 Right 0
WINDOW 3 34 102 Right 0
SYMATTR InstName Q6
SYMATTR Value Si4410DY
SYMBOL ind 1008 1296 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 10ľ
SYMBOL schottky 992 1392 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMATTR Value 1N5818
SYMBOL res 880 1456 R0
SYMATTR InstName R2
SYMATTR Value .03
SYMBOL cap 1488 1088 M270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
WINDOW 38 0 32 VBottom 0
WINDOW 39 0 32 VBottom 0
WINDOW 40 0 32 VBottom 0
WINDOW 123 0 32 VBottom 0
SYMATTR InstName C5
SYMATTR Value .1ľ
SYMBOL polcap 880 1584 R0
SYMATTR InstName C6
SYMATTR Value 220ľ
SYMBOL polcap 2992 1648 R0
SYMATTR InstName C7
SYMATTR Value 220ľ
SYMBOL res 2528 1872 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 2528 1792 R0
WINDOW 3 24 60 Left 0
SYMATTR Value 1000p
SYMATTR InstName C8
SYMBOL cap 2656 1888 R0
SYMATTR InstName C9
SYMATTR Value 470p
SYMBOL res 1568 1872 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap 1568 1792 R0
WINDOW 3 23 59 Left 0
WINDOW 0 31 19 Left 0
SYMATTR Value 1000p
SYMATTR InstName C10
SYMBOL cap 1440 1888 R0
SYMATTR InstName C11
SYMATTR Value 470p
SYMBOL cap 2544 1472 R0
WINDOW 0 33 17 Left 0
WINDOW 3 22 59 Left 0
SYMATTR InstName C12
SYMATTR Value 1000p
SYMBOL cap 1408 1472 R0
WINDOW 0 33 17 Left 0
WINDOW 3 24 59 Left 0
SYMATTR InstName C13
SYMATTR Value 1000p
SYMBOL PNP 2928 880 M180
WINDOW 0 84 80 Left 0
WINDOW 3 84 28 Left 0
SYMATTR InstName Q7
SYMATTR Value 2N2907
SYMBOL res 2976 912 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 2848 672 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL VOLTAGE 1040 640 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL POWERPRODUCTS\\LTC1439 2080 1312 R0
SYMATTR InstName U1
SYMBOL polcap 3088 928 R0
SYMATTR InstName C14
SYMATTR Value 1ľ
SYMBOL res 736 1552 R0
SYMATTR InstName Rload1
SYMATTR Value 100
SYMBOL res 3168 1632 R0
SYMATTR InstName Rload2
SYMATTR Value 100
TEXT 2000 2024 Left 0 !.tran 7m startup