Version 4 SHEET 1 1348 976 WIRE 144 -400 0 -400 WIRE 160 -400 144 -400 WIRE 256 -400 240 -400 WIRE 656 -400 256 -400 WIRE 144 -352 144 -400 WIRE 256 -352 256 -400 WIRE 64 -320 64 -336 WIRE 320 -320 320 -336 WIRE 496 -304 496 -320 WIRE 64 -240 64 -256 WIRE 144 -240 144 -272 WIRE 144 -240 64 -240 WIRE 176 -240 144 -240 WIRE 256 -240 256 -272 WIRE 256 -240 240 -240 WIRE 320 -240 320 -256 WIRE 320 -240 256 -240 WIRE 496 -224 496 -240 WIRE 496 -224 368 -224 WIRE 656 -208 656 -400 WIRE 144 -192 144 -240 WIRE 256 -192 256 -240 WIRE 368 -192 368 -224 WIRE 0 -128 0 -400 WIRE 0 -128 -192 -128 WIRE 48 -128 0 -128 WIRE 608 -128 464 -128 WIRE -192 -112 -192 -128 WIRE 496 -112 496 -224 WIRE -48 -32 -64 -32 WIRE 48 -32 32 -32 WIRE 496 -32 496 -48 WIRE 496 -32 464 -32 WIRE -192 -16 -192 -32 WIRE 496 -16 496 -32 WIRE -64 64 -64 -32 WIRE -48 64 -64 64 WIRE 48 64 32 64 WIRE 496 64 496 48 WIRE 496 64 464 64 WIRE 656 64 656 -112 WIRE 656 64 496 64 WIRE 848 64 656 64 WIRE 880 64 848 64 WIRE 992 64 960 64 WIRE 1040 64 992 64 WIRE 1136 64 1040 64 WIRE 1248 64 1136 64 WIRE 656 80 656 64 WIRE 1040 80 1040 64 WIRE 1136 80 1136 64 WIRE 1248 80 1248 64 WIRE -64 160 -64 64 WIRE -48 160 -64 160 WIRE 48 160 32 160 WIRE 608 160 464 160 WIRE 1040 176 1040 144 WIRE 1136 176 1136 144 WIRE 1248 176 1248 160 WIRE 656 192 656 176 WIRE -64 208 -64 160 WIRE 16 208 -64 208 WIRE 848 240 848 64 WIRE -64 256 -80 256 WIRE 16 256 16 208 WIRE 16 256 0 256 WIRE 48 256 16 256 WIRE 480 256 464 256 WIRE -64 352 -80 352 WIRE 16 352 0 352 WIRE 48 352 16 352 WIRE 496 352 464 352 WIRE 848 352 848 320 WIRE 848 352 496 352 WIRE 496 368 496 352 WIRE -272 416 -416 416 WIRE -128 416 -272 416 WIRE 16 416 16 352 WIRE 16 416 -128 416 WIRE -416 432 -416 416 WIRE -272 432 -272 416 WIRE -128 432 -128 416 WIRE 48 448 32 448 WIRE 496 448 496 432 WIRE 496 448 464 448 WIRE 992 448 992 64 WIRE 992 448 496 448 WIRE -304 512 -416 512 WIRE -160 512 -272 512 WIRE 32 512 32 448 WIRE 32 512 -128 512 WIRE -416 528 -416 512 WIRE -272 528 -272 512 WIRE -128 528 -128 512 WIRE 48 544 0 544 WIRE 496 544 496 448 WIRE 496 544 464 544 WIRE -416 624 -416 608 WIRE -272 624 -272 608 WIRE -128 624 -128 608 WIRE 48 640 32 640 WIRE 496 640 464 640 WIRE -160 656 -160 512 WIRE 0 656 0 544 WIRE 0 656 -160 656 WIRE -304 672 -304 512 WIRE 32 672 32 640 WIRE 32 672 -304 672 WIRE 192 720 192 704 WIRE 320 720 320 704 WIRE 320 800 320 784 FLAG 192 720 0 FLAG -192 -16 0 FLAG 320 -336 0 FLAG 64 -336 0 FLAG 496 -320 0 FLAG -80 352 0 FLAG -80 256 0 FLAG 320 800 0 FLAG -416 624 0 FLAG -128 624 0 FLAG -272 624 0 FLAG 480 256 0 FLAG 656 192 0 FLAG 1040 176 0 FLAG 1136 176 0 FLAG 1248 176 0 FLAG -192 -128 IN FLAG 1248 64 OUT FLAG 496 640 0 SYMBOL PowerProducts\\LTC3883 256 256 R0 SYMATTR InstName U1 SYMATTR SpiceLine VIN_ON=5.5 VIN_OFF=5 Vout=1.6 Ilim_range=1 OC_limit=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m SYMBOL voltage -192 -128 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res 144 -384 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 5m SYMBOL res 128 -368 R0 SYMATTR InstName R2 SYMATTR Value 100 SYMBOL res 240 -368 R0 WINDOW 0 32 22 Left 2 WINDOW 3 18 95 Left 2 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL cap 176 -224 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL cap 48 -256 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 10n SYMBOL cap 304 -256 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL cap 480 -240 M180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL cap 0 336 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 29 27 VTop 2 SYMATTR InstName C5 SYMATTR Value 1µ SYMBOL cap 0 240 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL cap 304 720 R0 WINDOW 3 41 35 Left 2 WINDOW 39 24 59 Left 2 SYMATTR InstName C7 SYMATTR Value 2200p SYMATTR SpiceLine Rser=4.99K Cpar=100p SYMBOL res -64 -16 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL res -64 80 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 10K SYMBOL res -64 176 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 5K SYMBOL res -432 416 R0 SYMATTR InstName R7 SYMATTR Value 20K SYMBOL res -432 512 R0 SYMATTR InstName R8 SYMATTR Value 12.7K SYMBOL res -144 416 R0 SYMATTR InstName R9 SYMATTR Value 24.9K SYMBOL res -144 512 R0 SYMATTR InstName R10 SYMATTR Value 9.09K SYMBOL res -288 416 R0 SYMATTR InstName R11 SYMATTR Value 10K SYMBOL res -288 512 R0 SYMATTR InstName R12 SYMATTR Value 23.2K SYMBOL nmos 608 -208 R0 SYMATTR InstName M1 SYMATTR Value BSC050N03LS SYMBOL nmos 608 80 R0 SYMATTR InstName M2 SYMATTR Value BSC011N03LS SYMBOL cap 480 -16 R0 SYMATTR InstName C8 SYMATTR Value .1µ SYMBOL schottky 480 -112 R0 SYMATTR InstName D1 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 864 80 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value .56µ SYMATTR SpiceLine Rser=1.8m SYMBOL res 832 224 R0 SYMATTR InstName R13 SYMATTR Value 1.4K SYMBOL cap 480 368 R0 SYMATTR InstName C9 SYMATTR Value .22µ SYMBOL polcap 1024 80 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 330µ SYMATTR InstName C10 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=6.3 Irms=6.6 Rser=0.006 Lser=0 mfg="KEMET" pn="T530Y337M006ATE006" type="Tantalum" SYMBOL cap 1120 80 R0 WINDOW 123 25 73 Left 2 WINDOW 3 34 41 Left 2 SYMATTR Value2 x2 SYMATTR InstName C11 SYMATTR Value 100µ SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R" SYMBOL res 1232 64 R0 SYMATTR InstName Rload SYMATTR Value 90m TEXT 752 616 Left 2 !.tran 1.5m startup