Version 4 SHEET 1 1488 1168 WIRE -656 -672 -672 -672 WIRE -256 -672 -656 -672 WIRE 96 -672 -256 -672 WIRE 752 -672 96 -672 WIRE 400 -624 192 -624 WIRE 464 -624 400 -624 WIRE 576 -624 528 -624 WIRE 752 -608 752 -672 WIRE 96 -592 96 -672 WIRE 192 -592 192 -624 WIRE -256 -528 -256 -672 WIRE -192 -528 -256 -528 WIRE -64 -528 -112 -528 WIRE 704 -528 448 -528 WIRE 512 -432 448 -432 WIRE 576 -432 512 -432 WIRE 672 -432 640 -432 WIRE 720 -432 672 -432 WIRE 512 -416 512 -432 WIRE 512 -336 512 -352 WIRE 512 -336 448 -336 WIRE 752 -336 752 -512 WIRE 752 -336 512 -336 WIRE 800 -336 752 -336 WIRE 928 -336 880 -336 WIRE 944 -336 928 -336 WIRE 1040 -336 1024 -336 WIRE 1088 -336 1040 -336 WIRE 1152 -336 1088 -336 WIRE 1264 -336 1152 -336 WIRE 1280 -336 1264 -336 WIRE 752 -320 752 -336 WIRE 1280 -320 1280 -336 WIRE 1152 -304 1152 -336 WIRE 704 -240 448 -240 WIRE 1152 -224 1152 -240 WIRE 1280 -224 1280 -240 WIRE 752 -192 752 -224 WIRE -160 -144 -192 -144 WIRE -64 -144 -96 -144 WIRE 512 -144 448 -144 WIRE 928 -144 928 -336 WIRE 928 -144 512 -144 WIRE 512 -128 512 -144 WIRE -160 -48 -192 -48 WIRE -64 -48 -96 -48 WIRE 512 -48 512 -64 WIRE 512 -48 448 -48 WIRE 1040 -48 1040 -336 WIRE 1040 -48 512 -48 WIRE 1088 -48 1088 -336 WIRE -544 32 -544 16 WIRE 1088 48 1088 32 WIRE 1088 48 448 48 WIRE 1088 64 1088 48 WIRE -544 128 -544 112 WIRE -224 128 -544 128 WIRE 800 128 752 128 WIRE 832 128 800 128 WIRE -544 144 -544 128 WIRE 496 144 448 144 WIRE 592 144 560 144 WIRE 752 160 752 128 WIRE 1088 160 1088 144 WIRE -672 240 -672 -672 WIRE -544 240 -544 224 WIRE -544 240 -672 240 WIRE -352 240 -544 240 WIRE -224 240 -224 128 WIRE -64 240 -224 240 WIRE 704 240 448 240 WIRE -352 256 -352 240 WIRE -672 272 -672 240 WIRE -64 336 -304 336 WIRE 512 336 448 336 WIRE 576 336 512 336 WIRE 688 336 640 336 WIRE 720 336 688 336 WIRE -672 352 -672 336 WIRE 512 352 512 336 WIRE -288 432 -320 432 WIRE -240 432 -288 432 WIRE -160 432 -176 432 WIRE -64 432 -160 432 WIRE 512 432 512 416 WIRE 512 432 448 432 WIRE 752 432 752 256 WIRE 752 432 512 432 WIRE 800 432 752 432 WIRE 928 432 880 432 WIRE 944 432 928 432 WIRE 1040 432 1024 432 WIRE 1088 432 1040 432 WIRE 1152 432 1088 432 WIRE 1264 432 1152 432 WIRE 1280 432 1264 432 WIRE -160 448 -160 432 WIRE 752 448 752 432 WIRE 1280 448 1280 432 WIRE 1152 464 1152 432 WIRE -656 528 -784 528 WIRE -640 528 -656 528 WIRE -544 528 -560 528 WIRE -480 528 -544 528 WIRE -352 528 -352 352 WIRE -352 528 -400 528 WIRE -160 528 -160 512 WIRE -160 528 -352 528 WIRE -64 528 -160 528 WIRE 704 528 448 528 WIRE -352 544 -352 528 WIRE 1152 544 1152 528 WIRE 1280 544 1280 528 WIRE -784 560 -784 528 WIRE 752 560 752 544 WIRE -64 624 -304 624 WIRE 512 624 448 624 WIRE 928 624 928 432 WIRE 928 624 512 624 WIRE 512 640 512 624 WIRE -352 656 -352 640 WIRE -784 672 -784 640 WIRE -544 720 -544 528 WIRE -160 720 -544 720 WIRE -64 720 -160 720 WIRE 512 720 512 704 WIRE 512 720 448 720 WIRE 1040 720 1040 432 WIRE 1040 720 512 720 WIRE 1088 720 1088 432 WIRE -160 736 -160 720 WIRE -656 816 -656 528 WIRE -160 816 -160 800 WIRE -160 816 -656 816 WIRE -64 816 -160 816 WIRE 1088 816 1088 800 WIRE 1088 816 448 816 WIRE 1088 832 1088 816 WIRE -160 912 -192 912 WIRE -64 912 -96 912 WIRE 496 912 448 912 WIRE 592 912 560 912 WIRE 1088 928 1088 912 WIRE 144 1008 144 976 WIRE 240 1008 240 976 WIRE 336 1008 336 976 FLAG -784 672 0 FLAG -352 656 0 FLAG -672 352 0 FLAG -544 16 0 FLAG -192 -48 0 FLAG -192 -144 0 FLAG 576 -624 0 FLAG 144 1008 0 FLAG 240 1008 0 FLAG 336 1008 0 FLAG -192 912 0 FLAG 752 -192 0 FLAG 1152 -224 0 FLAG 1280 -224 0 FLAG 1088 160 0 FLAG 592 144 0 FLAG 752 560 0 FLAG 1152 544 0 FLAG 1280 544 0 FLAG 1088 928 0 FLAG 592 912 0 FLAG -784 528 IN FLAG 1264 -336 OUT1 FLAG 1264 432 OUT2 FLAG -656 -672 OUT3 FLAG 800 128 OUT3 FLAG 400 -624 IntVcc FLAG 672 -432 IntVcc FLAG 688 336 IntVcc FLAG -288 432 IntVcc SYMBOL voltage -784 544 R0 SYMATTR InstName V1 SYMATTR Value 6 SYMBOL ind -496 544 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1.2µ SYMBOL res -544 544 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 2m SYMBOL nmos -304 256 M0 SYMATTR InstName Q1 SYMATTR Value BSC027N04LS SYMBOL nmos -304 544 M0 SYMATTR InstName Q2 SYMATTR Value BSC018N04LS SYMBOL cap -688 272 R0 WINDOW 3 30 52 Left 2 SYMATTR Value 220µ SYMATTR SpiceLine Rser=1m SYMATTR InstName C1 SYMBOL cap -176 448 R0 SYMATTR InstName C2 SYMATTR Value 0.1µ SYMBOL res -560 128 R0 SYMATTR InstName R2 SYMATTR Value 499K SYMBOL res -560 16 R0 SYMATTR InstName R3 SYMATTR Value 68.1K SYMBOL cap -96 -64 R90 WINDOW 0 -14 17 VRight 2 WINDOW 3 46 -10 VRight 2 SYMATTR InstName C3 SYMATTR Value 0.0047µ SYMBOL cap -96 -160 R90 WINDOW 0 -14 17 VRight 2 WINDOW 3 46 -10 VRight 2 SYMATTR InstName C4 SYMATTR Value 0.0047µ SYMBOL cap 464 -640 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 4.7µ SYMBOL cap -176 736 R0 SYMATTR InstName C6 SYMATTR Value 0.001µ SYMBOL schottky -240 416 M90 WINDOW 3 32 32 VTop 2 WINDOW 0 0 32 VBottom 2 SYMATTR Value BAT54 SYMATTR InstName D1 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -96 896 R90 WINDOW 0 -14 17 VRight 2 WINDOW 3 46 3 VRight 2 WINDOW 39 72 -27 VRight 2 SYMATTR InstName C7 SYMATTR Value 0.01µ SYMATTR SpiceLine Rser=3.6K Cpar=820p SYMBOL nmos 704 -608 R0 SYMATTR InstName Q3 SYMATTR Value BSZ097N04LS SYMBOL nmos 704 -320 R0 SYMATTR InstName Q4 SYMATTR Value BSZ097N04LS SYMBOL cap 496 -416 R0 SYMATTR InstName C9 SYMATTR Value 0.1µ SYMBOL schottky 640 -448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 784 -320 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 4.9µ SYMATTR SpiceLine Rser=4m SYMBOL res 928 -320 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 6m SYMBOL cap 1136 -304 R0 WINDOW 3 31 53 Left 2 SYMATTR Value 220µ SYMATTR SpiceLine Rser=5m SYMATTR InstName C10 SYMBOL cap 496 -128 R0 SYMATTR InstName C11 SYMATTR Value 0.001µ SYMBOL res 1072 48 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 357K SYMBOL res 1072 160 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 68.1K SYMBOL cap 496 128 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 53 32 VTop 2 WINDOW 123 74 32 VTop 2 SYMATTR InstName C12 SYMATTR Value 1500p SYMATTR SpiceLine Rser=15K SYMATTR Value2 Cpar=100p SYMBOL nmos 704 160 R0 WINDOW 3 52 100 Left 2 SYMATTR Value BSZ097N04LS SYMATTR InstName Q5 SYMBOL nmos 704 448 R0 SYMATTR InstName Q6 SYMATTR Value BSZ097N04LS SYMBOL cap 496 352 R0 SYMATTR InstName C13 SYMATTR Value 0.1µ SYMBOL schottky 640 320 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 784 448 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 6.5µ SYMATTR SpiceLine Rser=4m SYMBOL res 928 448 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 8m SYMBOL cap 1136 464 R0 WINDOW 3 33 53 Left 2 SYMATTR Value 68µ SYMATTR SpiceLine Rser=3m SYMATTR InstName C14 SYMBOL cap 496 640 R0 SYMATTR InstName C15 SYMATTR Value 0.001µ SYMBOL res 1072 816 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 649K SYMBOL res 1072 928 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R9 SYMATTR Value 68.1K SYMBOL cap 496 896 M90 WINDOW 0 -14 11 VRight 2 WINDOW 3 46 0 VRight 2 WINDOW 39 71 -40 VRight 2 SYMATTR InstName C16 SYMATTR Value 2200p SYMATTR SpiceLine Rser=15K Cpar=68p SYMBOL res 1264 -336 R0 SYMATTR InstName Rload1 SYMATTR Value 1 SYMBOL res 1264 432 R0 SYMATTR InstName Rload2 SYMATTR Value 2.8 SYMBOL res -96 -544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 100K SYMBOL LTC3859AL 192 192 R0 SYMATTR InstName U1 TEXT 152 1064 Left 2 !.tran 1m startup