Version 4
SHEET 1 3492 2096
WIRE 1280 624 1136 624
WIRE 1744 624 1280 624
WIRE 2416 624 1744 624
WIRE 2768 624 2416 624
WIRE 2848 624 2768 624
WIRE 3008 624 2848 624
WIRE 1136 640 1136 624
WIRE 1616 688 1488 688
WIRE 1968 688 1616 688
WIRE 2288 688 1968 688
WIRE 2544 688 2352 688
WIRE 2848 688 2848 624
WIRE 1136 736 1136 720
WIRE 1744 752 1744 624
WIRE 1968 752 1968 688
WIRE 2192 752 2192 720
WIRE 2416 752 2416 624
WIRE 3008 784 3008 624
WIRE 1488 832 1488 688
WIRE 1664 832 1648 832
WIRE 2848 832 2848 768
WIRE 2848 832 2496 832
WIRE 2944 832 2848 832
WIRE 1280 896 1280 624
WIRE 1280 896 1056 896
WIRE 1664 912 1648 912
WIRE 3008 912 3008 880
WIRE 3008 912 2496 912
WIRE 3136 912 3008 912
WIRE 3008 928 3008 912
WIRE 3136 928 3136 912
WIRE 2768 960 2768 624
WIRE 2912 960 2768 960
WIRE 1664 992 1648 992
WIRE 2528 992 2496 992
WIRE 3008 1024 3008 1008
WIRE 3136 1024 3136 992
WIRE 2912 1040 2912 960
WIRE 1056 1056 1056 896
WIRE 1408 1072 1392 1072
WIRE 1488 1072 1488 896
WIRE 1488 1072 1472 1072
WIRE 1664 1072 1488 1072
WIRE 2544 1072 2544 688
WIRE 2544 1072 2496 1072
WIRE 2560 1072 2544 1072
WIRE 2656 1072 2624 1072
WIRE 2864 1120 2704 1120
WIRE 1344 1136 1104 1136
WIRE 1280 1152 1280 896
WIRE 1344 1152 1344 1136
WIRE 1664 1152 1344 1152
WIRE 2704 1152 2704 1120
WIRE 2704 1152 2496 1152
WIRE 2768 1152 2768 960
WIRE 1664 1232 1328 1232
WIRE 2720 1232 2496 1232
WIRE 944 1280 912 1280
WIRE 1056 1280 1056 1152
WIRE 1056 1280 1024 1280
WIRE 1280 1280 1280 1248
WIRE 1280 1280 1056 1280
WIRE 2768 1280 2768 1248
WIRE 2912 1280 2912 1136
WIRE 2912 1280 2768 1280
WIRE 2960 1280 2912 1280
WIRE 3072 1280 3040 1280
WIRE 1280 1312 1280 1280
WIRE 1392 1312 1392 1072
WIRE 1392 1312 1280 1312
WIRE 1664 1312 1392 1312
WIRE 2656 1312 2656 1072
WIRE 2656 1312 2496 1312
WIRE 2768 1312 2768 1280
WIRE 2768 1312 2656 1312
WIRE 1056 1328 1056 1280
WIRE 2912 1328 2912 1280
WIRE 1664 1392 1328 1392
WIRE 2720 1392 2496 1392
WIRE 1056 1440 1056 1392
WIRE 1280 1440 1280 1408
WIRE 2768 1440 2768 1408
WIRE 2912 1440 2912 1392
WIRE 912 1472 912 1280
WIRE 1408 1472 912 1472
WIRE 1664 1472 1408 1472
WIRE 2560 1472 2496 1472
WIRE 3072 1472 3072 1280
WIRE 3072 1472 2560 1472
WIRE 912 1552 784 1552
WIRE 1408 1552 1408 1536
WIRE 1408 1552 912 1552
WIRE 1664 1552 1408 1552
WIRE 2560 1552 2560 1536
WIRE 2560 1552 2496 1552
WIRE 3072 1552 2560 1552
WIRE 784 1568 784 1552
WIRE 912 1568 912 1552
WIRE 1664 1632 1648 1632
WIRE 3072 1632 3072 1552
WIRE 3072 1632 2496 1632
WIRE 3184 1632 3072 1632
WIRE 3072 1648 3072 1632
WIRE 3184 1648 3184 1632
WIRE 784 1664 784 1648
WIRE 912 1664 912 1632
WIRE 1616 1712 1616 688
WIRE 1664 1712 1616 1712
WIRE 2544 1712 2496 1712
WIRE 3072 1744 3072 1712
WIRE 3184 1744 3184 1728
WIRE 1664 1792 1568 1792
WIRE 2576 1792 2496 1792
WIRE 1568 1872 1568 1856
WIRE 1568 1872 1440 1872
WIRE 2576 1872 2576 1856
WIRE 2704 1872 2576 1872
WIRE 1440 1888 1440 1872
WIRE 1568 1888 1568 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 2576 1888 2576 1872
WIRE 2704 1888 2704 1872
WIRE 1760 1968 1760 1952
WIRE 1920 1968 1920 1952
WIRE 2400 1968 2400 1952
WIRE 1440 1984 1440 1952
WIRE 1568 1984 1568 1968
WIRE 2576 1984 2576 1968
WIRE 2704 1984 2704 1952
FLAG 1920 1968 0
FLAG 2080 1888 0
FLAG 1760 1968 0
FLAG 2400 1968 0
FLAG 2240 1888 0
FLAG 2768 1440 0
FLAG 2912 1440 0
FLAG 1280 1440 0
FLAG 1056 1440 0
FLAG 912 1664 0
FLAG 3072 1744 0
FLAG 2544 1712 0
FLAG 2576 1984 0
FLAG 2704 1984 0
FLAG 1568 1984 0
FLAG 1440 1984 0
FLAG 784 1664 0
FLAG 3184 1744 0
FLAG 3008 1024 0
FLAG 1136 736 0
FLAG 3136 1024 0
FLAG 784 1552 OUT1
FLAG 3184 1632 OUT2
FLAG 1136 624 IN
SYMBOL POWERPRODUCTS\\LTC1539 2080 1312 R0
SYMATTR InstName U1
SYMBOL cap 1744 1888 R0
SYMATTR InstName C1
SYMATTR Value .01µ
SYMBOL cap 1904 1888 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap 2384 1888 R0
SYMATTR InstName C3
SYMATTR Value .01µ
SYMBOL NMOS 2864 1040 R0
WINDOW 0 56 23 Left 2
WINDOW 3 60 77 Left 2
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 2720 1152 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL nmos 2720 1312 R0
SYMATTR InstName Q3
SYMATTR Value Si4410DY
SYMBOL ind 2944 1296 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL schottky 2896 1392 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL RES 3056 1456 R0
SYMATTR InstName R1
SYMATTR Value .03
SYMBOL cap 2560 1088 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value .1µ
SYMBOL schottky 2288 704 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 38 0 32 VBottom 2
WINDOW 39 0 32 VBottom 2
WINDOW 40 0 32 VBottom 2
WINDOW 123 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL schottky 1472 832 R0
SYMATTR InstName D3
SYMATTR Value 1N5818
SYMBOL nmos 1104 1056 M0
WINDOW 0 35 -13 Right 2
WINDOW 3 30 103 Right 2
SYMATTR InstName Q4
SYMATTR Value Si4410DY
SYMBOL nmos 1328 1152 M0
SYMATTR InstName Q5
SYMATTR Value Si4410DY
SYMBOL nmos 1328 1312 M0
SYMATTR InstName Q6
SYMATTR Value Si4410DY
SYMBOL ind 1040 1296 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 10µ
SYMBOL schottky 1072 1392 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value 1N5818
SYMBOL res 896 1456 R0
SYMATTR InstName R2
SYMATTR Value .03
SYMBOL cap 1472 1088 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 38 0 32 VBottom 2
WINDOW 39 0 32 VBottom 2
WINDOW 40 0 32 VBottom 2
WINDOW 123 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value .1µ
SYMBOL polcap 896 1568 R0
SYMATTR InstName C6
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=50m
SYMBOL polcap 3056 1648 R0
SYMATTR InstName C7
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=50m
SYMBOL res 2560 1872 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 2560 1792 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL cap 2688 1888 R0
SYMATTR InstName C9
SYMATTR Value 470p
SYMBOL res 1552 1872 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap 1552 1792 R0
WINDOW 0 29 17 Left 2
SYMATTR InstName C10
SYMATTR Value 1000p
SYMBOL cap 1424 1888 R0
SYMATTR InstName C11
SYMATTR Value 470p
SYMBOL cap 2544 1472 R0
WINDOW 0 33 17 Left 2
SYMATTR InstName C12
SYMATTR Value 1000p
SYMBOL cap 1392 1472 R0
WINDOW 0 31 19 Left 2
SYMATTR InstName C13
SYMATTR Value 1000p
SYMBOL res 768 1664 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL res 3168 1744 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL PNP 2944 880 M180
WINDOW 0 84 80 Left 2
WINDOW 3 84 28 Left 2
SYMATTR InstName Q7
SYMATTR Value 2N2907
SYMBOL res 2992 912 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 2832 672 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL VOLTAGE 1136 624 R0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL polcap 3120 928 R0
SYMATTR InstName C14
SYMATTR Value 1µ
TEXT 2744 1688 Left 2 !.tran 7m startup