Version 4 SHEET 1 1412 1168 WIRE -1728 -1024 -2016 -1024 WIRE -640 -1024 -1728 -1024 WIRE -1728 -1008 -1728 -1024 WIRE -1728 -912 -1728 -928 WIRE -1728 -912 -1920 -912 WIRE -1728 -880 -1728 -912 WIRE -1840 -768 -1856 -768 WIRE -1728 -768 -1728 -800 WIRE -1728 -768 -1744 -768 WIRE -1536 -768 -1728 -768 WIRE -1424 -768 -1440 -768 WIRE -1040 -768 -1424 -768 WIRE -960 -768 -1040 -768 WIRE -848 -768 -960 -768 WIRE -848 -752 -848 -768 WIRE -1728 -704 -1728 -768 WIRE -1712 -704 -1728 -704 WIRE -1616 -704 -1648 -704 WIRE -1376 -704 -1616 -704 WIRE -1216 -704 -1312 -704 WIRE -1216 -656 -1216 -704 WIRE -1216 -656 -1328 -656 WIRE -1184 -656 -1216 -656 WIRE -1168 -656 -1184 -656 WIRE -1088 -656 -1104 -656 WIRE -848 -656 -848 -672 WIRE -960 -640 -960 -768 WIRE -2016 -624 -2016 -1024 WIRE -1920 -624 -1920 -912 WIRE -1824 -624 -1824 -720 WIRE -1728 -624 -1728 -704 WIRE -1616 -624 -1616 -704 WIRE -1520 -624 -1520 -720 WIRE -1424 -624 -1424 -768 WIRE -1328 -624 -1328 -656 WIRE -1008 -560 -1248 -560 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-1216 208 -1248 208 WIRE -1040 208 -1040 32 WIRE -1040 208 -1216 208 WIRE -864 208 -1040 208 WIRE -752 208 -784 208 WIRE -736 208 -752 208 WIRE -640 208 -656 208 WIRE -576 208 -576 -368 WIRE -576 208 -640 208 WIRE -1040 224 -1040 208 WIRE -1088 304 -1248 304 WIRE -1040 336 -1040 320 WIRE -752 400 -752 208 WIRE -752 400 -1248 400 WIRE -2208 496 -2224 496 WIRE -2112 496 -2128 496 WIRE -640 496 -640 208 WIRE -640 496 -1248 496 WIRE -1584 576 -1584 560 WIRE -1968 592 -1968 560 WIRE -1872 592 -1872 560 WIRE -1392 592 -1392 560 WIRE -560 592 -560 -256 WIRE -560 592 -1392 592 WIRE -1776 640 -1776 560 WIRE -1680 672 -1680 560 WIRE -1584 672 -1584 656 WIRE -1584 672 -1680 672 WIRE -1872 688 -1872 656 WIRE -1584 688 -1584 672 WIRE -1776 736 -1776 704 WIRE -1584 784 -1584 768 WIRE -2224 816 -2224 496 WIRE -1488 816 -1488 560 WIRE -1488 816 -2224 816 WIRE -1440 816 -1488 816 WIRE -576 816 -576 208 WIRE -576 816 -1360 816 FLAG -848 -656 0 FLAG -1088 -656 0 FLAG -960 -240 0 FLAG -416 -256 0 FLAG -848 -768 IN FLAG -416 -368 OUT FLAG -1040 336 0 FLAG -2224 -368 0 FLAG -512 -240 0 FLAG -1968 592 0 FLAG -1776 736 0 FLAG -1872 688 0 FLAG -1584 784 0 FLAG -2128 -272 0 FLAG -1856 -768 0 SYMBOL voltage -848 -768 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap -1104 -640 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL nmos -1008 -640 R0 SYMATTR InstName Q1 SYMATTR Value RJK0305DPB SYMBOL nmos -1008 -352 R0 SYMATTR InstName Q2 SYMATTR Value RJK0301DPB SYMBOL cap -1200 -448 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL schottky -1200 -544 R0 SYMATTR InstName D1 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind -880 -352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value .6µ SYMATTR SpiceLine Rser=4m SYMBOL res -752 -352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 2m SYMBOL nmos -1088 -64 R0 SYMATTR InstName Q3 SYMATTR Value RJK0305DPB SYMBOL nmos -1088 224 R0 SYMATTR InstName Q4 SYMATTR Value RJK0301DPB SYMBOL cap -1232 128 R0 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL schottky -1232 32 R0 SYMATTR InstName D2 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind -880 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value .6µ SYMATTR SpiceLine Rser=4m SYMBOL res -752 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 2m SYMBOL res -2112 -384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL cap -528 -352 R0 WINDOW 123 25 59 Left 2 WINDOW 3 34 32 Left 2 SYMATTR Value2 x4 SYMATTR Value 470µ SYMATTR InstName C4 SYMATTR SpiceLine Rser=10m SYMBOL PowerProducts\\LTC3829 -1680 -32 R0 SYMATTR InstName U1 SYMBOL cap -1888 592 R0 SYMATTR InstName C5 SYMATTR Value .001µ SYMBOL cap -1792 640 R0 WINDOW 3 35 34 Left 2 WINDOW 39 19 67 Left 2 SYMATTR Value 680p SYMATTR SpiceLine Rser=5K SYMATTR InstName C6 SYMBOL res -2112 480 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 75 SYMBOL res -1344 800 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 100 SYMBOL res -1600 560 R0 SYMATTR InstName R6 SYMATTR Value 20K SYMBOL res -1600 672 R0 SYMATTR InstName R7 SYMATTR Value 20K SYMBOL nmos -1440 -720 M270 WINDOW 0 81 47 VTop 2 WINDOW 3 51 47 VTop 2 SYMATTR InstName Q5 SYMATTR Value RJK0305DPB SYMBOL nmos -1744 -720 M270 WINDOW 0 88 58 VTop 2 WINDOW 3 56 59 VTop 2 SYMATTR InstName Q6 SYMATTR Value RJK0301DPB SYMBOL cap -1648 -688 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C7 SYMATTR Value .1µ SYMBOL schottky -1312 -688 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind -1744 -784 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L3 SYMATTR Value .6µ SYMATTR SpiceLine Rser=4m SYMBOL res -1744 -912 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 2m SYMBOL res -432 -368 R0 SYMATTR InstName Rload SYMATTR Value 20m TEXT -544 656 Left 2 !.tran 750u startup