Version 4 SHEET 1 1000 852 WIRE -480 -176 -560 -176 WIRE -384 -176 -480 -176 WIRE -352 -176 -384 -176 WIRE -256 -176 -288 -176 WIRE -112 -176 -256 -176 WIRE 112 -176 -16 -176 WIRE 240 -176 112 -176 WIRE 304 -176 240 -176 WIRE 416 -176 384 -176 WIRE 448 -176 416 -176 WIRE 528 -176 512 -176 WIRE 560 -176 528 -176 WIRE 656 -176 624 -176 WIRE 736 -176 656 -176 WIRE 832 -176 736 -176 WIRE -560 -160 -560 -176 WIRE -16 -160 -16 -176 WIRE -480 -144 -480 -176 WIRE 240 -144 240 -176 WIRE 736 -144 736 -176 WIRE 832 -144 832 -176 WIRE -256 -128 -256 -176 WIRE 528 -128 528 -176 WIRE -384 -96 -384 -176 WIRE -112 -80 -112 -176 WIRE -560 -64 -560 -80 WIRE -480 -64 -480 -80 WIRE -16 -64 -16 -80 WIRE 736 -48 736 -80 WIRE 832 -48 832 -64 WIRE -256 -32 -256 -64 WIRE 112 -32 112 -176 WIRE 240 -32 240 -64 WIRE 656 -32 656 -176 WIRE 528 -16 528 -48 WIRE -384 32 -384 -16 WIRE -304 32 -384 32 WIRE -256 32 -304 32 WIRE -208 32 -224 32 WIRE -112 32 -112 -16 WIRE -112 32 -128 32 WIRE 0 32 -112 32 WIRE 416 32 416 -176 WIRE 416 32 352 32 WIRE -384 64 -384 32 WIRE -304 64 -304 32 WIRE -256 96 -256 32 WIRE 0 96 -256 96 WIRE 656 96 656 48 WIRE 656 96 352 96 WIRE 656 112 656 96 WIRE -384 160 -384 144 WIRE -304 160 -304 128 WIRE -304 160 -384 160 WIRE 0 160 -304 160 WIRE 368 160 352 160 WIRE 496 160 432 160 WIRE 656 208 656 192 WIRE -224 224 -224 32 WIRE -224 224 -400 224 WIRE 0 224 -224 224 WIRE 416 224 352 224 WIRE 496 224 480 224 WIRE -224 240 -224 224 WIRE 0 288 -16 288 WIRE 368 288 352 288 WIRE 496 288 432 288 WIRE -224 352 -224 304 WIRE 0 352 -224 352 WIRE 768 352 352 352 WIRE 864 352 768 352 WIRE 864 368 864 352 WIRE 768 384 768 352 WIRE -496 416 -576 416 WIRE -400 416 -400 224 WIRE -400 416 -496 416 WIRE -352 416 -400 416 WIRE -224 416 -272 416 WIRE 0 416 -224 416 WIRE 592 416 352 416 WIRE 672 416 592 416 WIRE -576 432 -576 416 WIRE -224 432 -224 416 WIRE -496 448 -496 416 WIRE 592 448 592 416 WIRE 672 448 672 416 WIRE -400 464 -400 416 WIRE 0 480 -192 480 WIRE 544 480 352 480 WIRE 768 480 768 448 WIRE 864 480 864 448 WIRE -224 512 -224 496 WIRE -576 528 -576 512 WIRE -496 528 -496 512 WIRE 592 528 592 512 WIRE -112 544 -144 544 WIRE 0 544 -48 544 WIRE 400 544 352 544 WIRE 496 544 464 544 WIRE -400 560 -400 544 WIRE -192 560 -192 480 WIRE -192 560 -400 560 WIRE 544 560 544 480 WIRE 672 560 672 528 WIRE 672 560 544 560 WIRE 672 576 672 560 WIRE -400 592 -400 560 WIRE 0 608 -176 608 WIRE 416 608 352 608 WIRE -176 624 -176 608 WIRE 416 624 416 608 WIRE 672 672 672 656 WIRE -400 688 -400 672 WIRE 112 704 112 672 WIRE 240 704 240 672 WIRE -176 720 -176 688 WIRE 416 720 416 688 FLAG -16 -64 0 FLAG 528 -16 0 FLAG 736 -48 0 FLAG 656 208 0 FLAG 832 -48 0 FLAG 832 -176 AVDD FLAG 496 288 0 FLAG 496 224 0 FLAG 496 160 0 FLAG -256 -32 0 FLAG -480 -64 0 FLAG -560 -64 0 FLAG -560 -176 OFF FLAG -224 512 0 FLAG -400 688 0 FLAG -496 528 0 FLAG -576 528 0 FLAG -576 416 Vlogic FLAG 112 704 0 FLAG 240 704 0 FLAG -144 544 0 FLAG -176 720 0 FLAG 496 544 0 FLAG 416 720 0 FLAG 864 480 0 FLAG 768 480 0 FLAG 672 672 0 FLAG 592 528 0 FLAG 864 352 ON SYMBOL voltage -16 -176 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL ind 224 -160 R0 SYMATTR InstName L1 SYMATTR Value 33µ SYMATTR SpiceLine Rpar=25K SYMBOL ind 288 -160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 10µ SYMBOL cap 448 -160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL schottky 560 -160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 512 -144 R0 SYMATTR InstName L3 SYMATTR Value 10µ SYMBOL res 640 -48 R0 SYMATTR InstName R1 SYMATTR Value 88.7K SYMBOL cap 720 -144 R0 WINDOW 39 26 72 Left 2 SYMATTR InstName C3 SYMATTR Value 10µ SYMBOL res 640 96 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL res 816 -160 R0 SYMATTR InstName R3 SYMATTR Value 24 SYMBOL cap 368 176 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 150p SYMBOL cap 416 240 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 150p SYMBOL cap 368 304 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C6 SYMATTR Value 150p SYMBOL cap -128 -80 R0 SYMATTR InstName C7 SYMATTR Value .47µ SYMBOL schottky -272 -128 R0 SYMATTR InstName D2 SYMATTR Value MBR0520L SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky -352 -160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value MBR0520L SYMATTR Description Diode SYMATTR Type diode SYMBOL res -400 48 R0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL res -400 -112 R0 SYMATTR InstName R5 SYMATTR Value 44.2K SYMBOL cap -320 64 R0 SYMATTR InstName C8 SYMATTR Value 10p SYMBOL cap -496 -144 R0 WINDOW 39 24 65 Left 2 SYMATTR InstName C9 SYMATTR Value 2.2µ SYMBOL res -576 -176 R0 SYMATTR InstName R6 SYMATTR Value 100 SYMBOL ind -224 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 10µ SYMBOL schottky -240 240 R0 SYMATTR InstName D4 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -240 352 R0 WINDOW 0 36 19 Left 2 WINDOW 3 34 49 Left 2 SYMATTR InstName C10 SYMATTR Value .22µ SYMBOL ind -256 432 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L5 SYMATTR Value 4.7µ SYMBOL schottky -208 496 R180 WINDOW 0 8 62 Right 2 WINDOW 3 21 3 Left 2 SYMATTR InstName D5 SYMATTR Value B520C SYMATTR Description Diode SYMATTR Type diode SYMBOL res -416 576 R0 SYMATTR InstName R7 SYMATTR Value 10K SYMBOL res -416 448 R0 SYMATTR InstName R8 SYMATTR Value 16.2K SYMBOL cap -512 448 R0 WINDOW 39 26 65 Left 2 SYMATTR Value 22µ SYMATTR InstName C11 SYMBOL res -592 416 R0 SYMATTR InstName R9 SYMATTR Value 2 SYMBOL cap -48 528 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 55 90 VTop 2 SYMATTR InstName C12 SYMATTR Value 2200p SYMATTR SpiceLine Rser=18K Cpar=100p SYMBOL cap -192 624 R0 WINDOW 0 21 9 Left 2 WINDOW 3 41 35 Left 2 WINDOW 39 29 71 Left 2 SYMATTR InstName C13 SYMATTR Value 2200p SYMATTR SpiceLine Rser=6.8K Cpar=100p SYMBOL cap 400 528 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 54 93 VTop 2 SYMATTR InstName C14 SYMATTR Value 680p SYMATTR SpiceLine Rser=27K Cpar=100p SYMBOL cap 432 624 M0 WINDOW 0 8 5 Right 2 WINDOW 3 -9 35 Right 2 WINDOW 39 5 69 Right 2 SYMATTR InstName C15 SYMATTR Value 3000p SYMATTR SpiceLine Rser=5K Cpar=100p SYMBOL res 848 352 R0 SYMATTR InstName R10 SYMATTR Value 1K SYMBOL cap 752 384 R0 SYMATTR InstName C16 SYMATTR Value .47µ SYMBOL res 656 432 R0 SYMATTR InstName R11 SYMATTR Value 274K SYMBOL res 656 560 R0 SYMATTR InstName R12 SYMATTR Value 10K SYMBOL cap 576 448 R0 SYMATTR Value 2.2µ SYMATTR InstName C17 SYMBOL PowerProducts\\LT1943 176 320 R0 SYMATTR InstName U1 TEXT 600 768 Left 2 !.tran 1m startup