Version 4 SHEET 1 2768 680 WIRE 864 -528 864 -544 WIRE -416 -496 -848 -496 WIRE -848 -480 -848 -496 WIRE 864 -448 864 -464 WIRE 864 -448 688 -448 WIRE -576 -432 -672 -432 WIRE -416 -432 -416 -496 WIRE -416 -432 -496 -432 WIRE -320 -432 -416 -432 WIRE -176 -432 -240 -432 WIRE 864 -432 864 -448 WIRE -848 -384 -848 -400 WIRE -672 -368 -672 -432 WIRE -448 -368 -672 -368 WIRE -176 -368 -176 -432 WIRE -176 -368 -384 -368 WIRE -80 -368 -176 -368 WIRE 80 -368 -32 -368 WIRE 128 -368 80 -368 WIRE 224 -368 192 -368 WIRE 288 -368 224 -368 WIRE 416 -368 352 -368 WIRE 544 -368 416 -368 WIRE 576 -368 544 -368 WIRE 640 -368 576 -368 WIRE 704 -368 640 -368 WIRE 1072 -368 1024 -368 WIRE 1072 -352 1072 -368 WIRE -80 -336 -80 -368 WIRE -32 -336 -32 -368 WIRE 224 -336 224 -368 WIRE 416 -336 416 -368 WIRE 576 -336 576 -368 WIRE 640 -272 640 -368 WIRE 704 -272 640 -272 WIRE 1072 -272 1072 -288 WIRE 1072 -272 1024 -272 WIRE 576 -256 576 -272 WIRE 1072 -256 1072 -272 WIRE 224 -240 224 -272 WIRE -672 -224 -672 -368 WIRE -80 -224 -80 -256 WIRE -80 -224 -672 -224 WIRE -32 -224 -32 -256 WIRE -672 -192 -672 -224 WIRE -480 -192 -672 -192 WIRE -176 -192 -176 -368 WIRE -176 -192 -368 -192 WIRE 80 -176 80 -368 WIRE 128 -176 80 -176 WIRE 416 -176 416 -272 WIRE 416 -176 192 -176 WIRE 704 -176 416 -176 WIRE 1072 -176 1024 -176 WIRE 416 -160 416 -176 WIRE -544 -128 -576 -128 WIRE -448 -128 -368 -192 WIRE -448 -128 -480 -128 WIRE -400 -128 -480 -192 WIRE -368 -128 -400 -128 WIRE -272 -128 -304 -128 WIRE 416 -80 416 -96 WIRE 544 -80 544 -368 WIRE 560 -80 544 -80 WIRE 704 -80 640 -80 WIRE 1072 -80 1024 -80 WIRE 1216 -80 1072 -80 WIRE 1312 -80 1216 -80 WIRE 1216 -64 1216 -80 WIRE 1312 -64 1312 -80 WIRE -576 -16 -576 -128 WIRE -544 -16 -576 -16 WIRE -448 -16 -448 -128 WIRE -448 -16 -480 -16 WIRE -400 -16 -400 -128 WIRE -368 -16 -400 -16 WIRE -272 -16 -272 -128 WIRE -272 -16 -304 -16 WIRE -672 16 -672 -192 WIRE -176 16 -176 -192 WIRE 544 16 544 -80 WIRE 560 16 544 16 WIRE 704 16 640 16 WIRE 1072 16 1072 0 WIRE 1072 16 1024 16 WIRE 1216 16 1216 0 WIRE 1312 16 1312 0 WIRE 1072 32 1072 16 WIRE -576 96 -576 -16 WIRE -576 96 -624 96 WIRE -544 96 -576 96 WIRE -448 96 -448 -16 WIRE -448 96 -464 96 WIRE -400 96 -400 -16 WIRE -384 96 -400 96 WIRE -272 96 -272 -16 WIRE -272 96 -304 96 WIRE -224 96 -272 96 WIRE 688 112 688 -448 WIRE 704 112 688 112 WIRE 1072 112 1024 112 WIRE -576 128 -576 96 WIRE -272 128 -272 96 WIRE 704 208 688 208 WIRE 1040 208 1024 208 WIRE 1136 208 1120 208 WIRE -672 224 -672 112 WIRE -576 224 -576 192 WIRE -272 224 -272 192 WIRE -176 224 -176 112 WIRE 864 288 864 272 FLAG 864 288 0 FLAG -848 -384 0 FLAG -32 -224 0 FLAG 224 -240 0 FLAG -272 224 0 FLAG -176 224 0 FLAG -576 224 0 FLAG -672 224 0 FLAG 416 -80 0 FLAG 576 -256 0 FLAG 864 -544 0 FLAG 688 208 0 FLAG 1136 208 0 FLAG 1216 16 0 FLAG 1312 16 0 FLAG 640 -368 IN SYMBOL voltage -848 -496 R0 WINDOW 123 24 138 Left 2 WINDOW 39 38 55 Left 2 SYMATTR Value 5 SYMATTR InstName V1 SYMBOL res -400 112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL res -448 112 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL zener -592 192 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value BZX84C15L SYMATTR Description Diode SYMATTR Type diode SYMBOL zener -256 192 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value BZX84C15L SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos -624 16 M0 SYMATTR InstName M2 SYMATTR Value Si4470DY SYMBOL nmos -224 16 R0 SYMATTR InstName M1 SYMATTR Value Si4470DY SYMBOL cap -480 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL cap -368 -32 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 10n SYMBOL schottky -544 -112 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky -304 -112 M270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -384 -384 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 280n SYMATTR SpiceLine Rser=8m SYMBOL ind -592 -416 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 68µ SYMATTR SpiceLine Rser=.95 SYMBOL ind -336 -416 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 68µ SYMATTR SpiceLine Rser=.95 SYMBOL ind2 -96 -352 R0 WINDOW 0 -2 38 Right 2 WINDOW 3 0 73 Right 2 SYMATTR InstName L3 SYMATTR Value 5.4µ SYMATTR Type ind SYMATTR SpiceLine Rser=80m SYMBOL ind2 -16 -352 M0 WINDOW 0 -1 39 Right 2 WINDOW 3 0 74 Right 2 SYMATTR InstName L4 SYMATTR Value 48.6µ SYMATTR Type ind SYMATTR SpiceLine Rser=.24 Cpar=250p SYMBOL schottky 288 -352 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D6 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 208 -272 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 400 -272 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D7 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 400 -160 R0 SYMATTR InstName C6 SYMATTR Value 100p SYMBOL cap 128 -160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 10n SYMATTR SpiceLine Rser=10m SYMBOL cap 128 -352 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 21.3n SYMATTR SpiceLine Rser=10m SYMBOL cap 560 -336 R0 SYMATTR InstName C7 SYMATTR Value 10µ SYMATTR SpiceLine Rser=10m SYMBOL res 544 -64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 470K SYMBOL res 544 32 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 470K SYMBOL cap 848 -528 R0 SYMATTR InstName C8 SYMATTR Value 2.2µ SYMBOL res 1024 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 3.01K SYMBOL res 1056 16 R0 SYMATTR InstName R7 SYMATTR Value 1.35Meg SYMBOL res 1056 -96 R0 SYMATTR InstName R8 SYMATTR Value 1.01Meg SYMBOL ind 1056 -272 R0 SYMATTR InstName L5 SYMATTR Value 33µ SYMATTR SpiceLine Rser=.1 SYMBOL cap 1056 -352 R0 SYMATTR InstName C9 SYMATTR Value .022µ SYMBOL cap 1200 -64 R0 SYMATTR InstName C10 SYMATTR Value 10µ SYMATTR SpiceLine Rser=10m SYMBOL cap 1296 -64 R0 WINDOW 123 25 65 Left 2 WINDOW 3 40 36 Left 2 SYMATTR Value2 ic=2.9 SYMATTR Value 1m SYMATTR InstName BATT SYMBOL PowerProducts\\LTC4120 864 -80 R0 WINDOW 39 0 172 Center 2 SYMATTR InstName U1 TEXT -56 -368 Bottom 2 !K1 L3 L4 .18 TEXT 1200 272 Left 2 !.tran 10m startup