Version 4 SHEET 1 1204 948 WIRE -320 -432 -448 -432 WIRE 64 -432 -320 -432 WIRE 656 -432 64 -432 WIRE -448 -416 -448 -432 WIRE 512 -416 -128 -416 WIRE 768 -416 512 -416 WIRE -160 -400 -240 -400 WIRE 208 -400 -160 -400 WIRE 528 -400 208 -400 WIRE 768 -400 768 -416 WIRE -240 -384 -240 -400 WIRE 64 -368 64 -432 WIRE 208 -368 208 -400 WIRE 352 -368 352 -384 WIRE -448 -320 -448 -336 WIRE -240 -304 -240 -320 WIRE 768 -304 768 -320 WIRE -128 -288 -128 -416 WIRE -112 -288 -128 -288 WIRE -16 -288 -32 -288 WIRE 464 -288 432 -288 WIRE -128 -192 -128 -288 WIRE -16 -192 -128 -192 WIRE 512 -192 512 -416 WIRE 512 -192 432 -192 WIRE 528 -192 528 -400 WIRE -320 -176 -320 -432 WIRE -160 -176 -160 -400 WIRE 656 -176 656 -432 WIRE -16 -96 -272 -96 WIRE 608 -96 432 -96 WIRE -464 0 -496 0 WIRE -320 0 -320 -80 WIRE -320 0 -384 0 WIRE -272 0 -320 0 WIRE -160 0 -160 -112 WIRE -160 0 -208 0 WIRE -16 0 -160 0 WIRE 528 0 528 -128 WIRE 528 0 432 0 WIRE 560 0 528 0 WIRE 656 0 656 -80 WIRE 656 0 624 0 WIRE 704 0 656 0 WIRE 832 0 784 0 WIRE -320 96 -320 0 WIRE -16 96 -320 96 WIRE 656 96 656 0 WIRE 656 96 432 96 WIRE -320 112 -320 96 WIRE 656 112 656 96 WIRE -16 192 -272 192 WIRE 608 192 432 192 WIRE -320 224 -320 208 WIRE 656 224 656 208 WIRE -496 288 -496 0 WIRE -16 288 -496 288 WIRE 832 288 832 0 WIRE 832 288 432 288 WIRE -496 384 -496 368 WIRE -16 384 -496 384 WIRE 832 384 832 368 WIRE 832 384 432 384 WIRE -496 416 -496 384 WIRE -480 416 -496 416 WIRE -320 416 -416 416 WIRE 688 416 672 416 WIRE 832 416 832 384 WIRE 832 416 752 416 WIRE -496 480 -496 416 WIRE -496 480 -624 480 WIRE -416 480 -496 480 WIRE -320 480 -320 416 WIRE -320 480 -336 480 WIRE -16 480 -320 480 WIRE 672 480 672 416 WIRE 672 480 432 480 WIRE 720 480 672 480 WIRE 832 480 832 416 WIRE 832 480 800 480 WIRE 944 480 832 480 WIRE -624 496 -624 480 WIRE -496 496 -496 480 WIRE -320 496 -320 480 WIRE 672 496 672 480 WIRE 832 496 832 480 WIRE 944 496 944 480 WIRE -160 576 -176 576 WIRE -16 576 -96 576 WIRE 496 576 432 576 WIRE 576 576 560 576 WIRE -624 592 -624 576 WIRE -496 592 -496 560 WIRE -320 592 -320 576 WIRE 672 592 672 576 WIRE 832 592 832 560 WIRE 944 592 944 576 WIRE -112 672 -128 672 WIRE -16 672 -48 672 WIRE 448 672 432 672 WIRE 544 672 512 672 WIRE 64 752 64 736 WIRE 208 752 208 736 WIRE 352 752 352 736 FLAG 656 224 0 FLAG 352 752 0 FLAG 64 752 0 FLAG 672 592 0 FLAG 544 672 0 FLAG 576 576 0 FLAG -320 224 0 FLAG -320 592 0 FLAG -128 672 0 FLAG -448 -320 0 FLAG -240 -304 0 FLAG 464 -288 0 FLAG 832 592 0 FLAG -496 592 0 FLAG -176 576 0 FLAG -624 592 0 FLAG 944 592 0 FLAG 208 752 0 FLAG -448 -432 IN FLAG -624 480 OUT1 FLAG 944 480 OUT2 FLAG 768 -304 0 FLAG 768 -416 RUN SYMBOL voltage -448 -432 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL cap 560 16 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL ind 688 16 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 7.2µ SYMATTR SpiceLine Rpar=2K SYMBOL res 816 272 R0 SYMATTR InstName R1 SYMATTR Value .008 SYMBOL schottky 512 -192 R0 WINDOW 3 32 63 Left 2 SYMATTR Value BAT54 SYMATTR InstName D1 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 816 464 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 422K SYMBOL res 656 480 R0 SYMATTR InstName R3 SYMATTR Value 44.2K SYMBOL cap 512 656 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .001µ SYMBOL nmos -272 -176 M0 SYMATTR InstName Q3 SYMATTR Value Si7884DP SYMBOL cap -208 16 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL ind -368 16 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 3.3µ SYMATTR SpiceLine Rpar=2K SYMBOL res -512 272 R0 WINDOW 0 41 45 Left 2 SYMATTR InstName R5 SYMATTR Value .006 SYMBOL schottky -176 -176 R0 WINDOW 3 32 63 Left 2 SYMATTR Value BAT54 SYMATTR InstName D2 SYMATTR Description Diode SYMATTR Type diode SYMBOL res -432 464 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 215K SYMBOL res -336 480 R0 SYMATTR InstName R7 SYMATTR Value 68.1K SYMBOL cap -112 656 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value .001µ SYMBOL cap -256 -384 R0 SYMATTR InstName C6 SYMATTR Value 4.7µ SYMBOL cap 816 496 R0 SYMATTR InstName C7 SYMATTR Value 150µ SYMATTR SpiceLine Rser=50m SYMBOL cap -512 496 R0 WINDOW 3 25 61 Left 2 SYMATTR Value 150µ SYMATTR InstName C8 SYMATTR SpiceLine Rser=50m SYMBOL cap -96 592 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 WINDOW 39 -15 70 VBottom 2 SYMATTR InstName C9 SYMATTR Value 820p SYMATTR SpiceLine Rser=15K Cpar=150p SYMBOL res -640 480 R0 SYMATTR InstName Rload1 SYMATTR Value .66 SYMBOL res 928 480 R0 SYMATTR InstName Rload2 SYMATTR Value 2.4 SYMBOL nmos -272 112 M0 SYMATTR InstName Q1 SYMATTR Value Si7884DP SYMBOL nmos 608 -176 R0 SYMATTR InstName Q2 SYMATTR Value Si7884DP SYMBOL nmos 608 112 R0 SYMATTR InstName Q4 SYMATTR Value Si7884DP SYMBOL voltage 768 -416 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap 496 592 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 5 25 VBottom 2 WINDOW 39 -15 66 VBottom 2 SYMATTR InstName C3 SYMATTR Value 680p SYMATTR SpiceLine Rser=27K Cpar=100p SYMBOL cap -416 400 R90 WINDOW 0 14 -10 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C10 SYMATTR Value 15p SYMBOL cap 752 400 R90 WINDOW 0 14 -2 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C11 SYMATTR Value 39p SYMBOL res -16 -304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL PowerProducts\\LTC3868-1 208 192 R0 SYMATTR InstName U1 TEXT 648 704 Left 2 !.tran 1m startup