Version 4 SHEET 1 2492 1272 WIRE -272 -448 -368 -448 WIRE 224 -448 -272 -448 WIRE 624 -448 224 -448 WIRE 816 -448 624 -448 WIRE -368 -384 -368 -448 WIRE 624 -384 624 -448 WIRE -368 -272 -368 -304 WIRE 224 -272 224 -448 WIRE 624 -272 624 -304 WIRE -272 -208 -272 -448 WIRE -176 -208 -272 -208 WIRE 816 -208 816 -448 WIRE 816 -208 736 -208 WIRE -384 -112 -416 -112 WIRE -176 -112 -304 -112 WIRE 880 -112 736 -112 WIRE 1040 -112 960 -112 WIRE 1216 -112 1040 -112 WIRE 1312 -112 1216 -112 WIRE 1040 -96 1040 -112 WIRE 1216 -80 1216 -112 WIRE 1312 -80 1312 -112 WIRE -416 -16 -416 -112 WIRE -176 -16 -416 -16 WIRE 1040 -16 1040 -32 WIRE 1040 -16 736 -16 WIRE 1040 0 1040 -16 WIRE 1216 16 1216 -16 WIRE 1312 16 1312 0 WIRE -480 80 -576 80 WIRE -384 80 -480 80 WIRE -176 80 -384 80 WIRE 816 80 816 -208 WIRE 816 80 736 80 WIRE -576 96 -576 80 WIRE -480 96 -480 80 WIRE -384 96 -384 80 WIRE 1040 96 1040 80 WIRE -176 176 -384 176 WIRE 880 176 736 176 WIRE 1040 176 960 176 WIRE 1216 176 1040 176 WIRE 1312 176 1216 176 WIRE -576 192 -576 176 WIRE -480 192 -480 160 WIRE -384 192 -384 176 WIRE 1040 192 1040 176 WIRE 1216 208 1216 176 WIRE 1312 208 1312 176 WIRE -272 272 -272 -208 WIRE -176 272 -272 272 WIRE 1040 272 1040 256 WIRE 1040 272 736 272 WIRE -384 288 -384 272 WIRE 1040 288 1040 272 WIRE 1216 304 1216 272 WIRE 1312 304 1312 288 WIRE -384 368 -480 368 WIRE -176 368 -384 368 WIRE 816 368 816 80 WIRE 816 368 736 368 WIRE -480 384 -480 368 WIRE -384 384 -384 368 WIRE 1040 384 1040 368 WIRE -176 464 -384 464 WIRE 880 464 736 464 WIRE 1040 464 960 464 WIRE 1216 464 1040 464 WIRE 1312 464 1216 464 WIRE -480 480 -480 448 WIRE -384 480 -384 464 WIRE 1040 480 1040 464 WIRE 1216 496 1216 464 WIRE 1312 496 1312 464 WIRE -272 560 -272 272 WIRE -176 560 -272 560 WIRE 1040 560 1040 544 WIRE 1040 560 736 560 WIRE -384 576 -384 560 WIRE 1040 576 1040 560 WIRE 1216 592 1216 560 WIRE 1312 592 1312 576 WIRE -336 656 -368 656 WIRE -224 656 -272 656 WIRE -176 656 -224 656 WIRE 1040 672 1040 656 WIRE -336 752 -368 752 WIRE -224 752 -272 752 WIRE -176 752 -224 752 WIRE 768 752 736 752 WIRE -32 880 -32 816 WIRE -32 880 -80 880 WIRE 16 880 -32 880 WIRE 144 880 144 816 WIRE 144 880 96 880 WIRE -32 912 -32 880 WIRE 144 912 144 880 WIRE -32 1008 -32 976 WIRE 144 1024 144 992 FLAG -368 -272 0 FLAG 1216 16 0 FLAG 1312 16 0 FLAG 1040 96 0 FLAG 1216 304 0 FLAG 1312 304 0 FLAG 1040 384 0 FLAG 1216 592 0 FLAG 1312 592 0 FLAG 1040 672 0 FLAG 768 752 0 FLAG -576 192 0 FLAG -480 192 0 FLAG -384 288 0 FLAG -480 480 0 FLAG -384 576 0 FLAG 144 1024 0 FLAG -32 1008 0 FLAG -368 656 0 FLAG -368 752 0 FLAG -368 -448 IN FLAG 1312 -112 OUT1 FLAG 1312 176 OUT2 FLAG 1312 464 OUT3 FLAG -576 80 OUT4 FLAG -480 368 LDO2 FLAG -224 656 LDO3 FLAG -224 752 LDO4 FLAG -80 880 LDO1 SYMBOL PowerProducts\\LTC3589 288 272 R0 WINDOW 39 273 798 Center 2 WINDOW 40 423 846 Center 2 SYMATTR SpiceLine2 Vref3=.5 Freq3=0 Mode3=0 Vref3_slew=0 DVDT3=0 Phase3=0 OVEN3=1 Vref_LDO2=.6 LDO2_slew=3 OVEN_LDO2=1 OVEN_LDO3=1 LDO4_ref=0 OVEN_LDO4=1 Mode_BB=0 OVEN_BB=1 SYMATTR InstName U1 SYMBOL voltage -368 -400 R0 SYMATTR InstName V1 SYMATTR Value 3.3 SYMBOL res 608 -400 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL ind 864 -96 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1µ SYMBOL cap 1200 -80 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMBOL res 1296 -96 R0 SYMATTR InstName R2 SYMATTR Value 1 SYMBOL res 1024 -16 R0 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL ind 864 192 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 1.5µ SYMBOL cap 1200 208 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMBOL res 1296 192 R0 SYMATTR InstName R5 SYMATTR Value 1 SYMBOL res 1024 272 R0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL ind 864 480 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 1.5µ SYMBOL cap 1200 496 R0 SYMATTR InstName C3 SYMATTR Value 22µ SYMBOL res 1296 480 R0 SYMATTR InstName R8 SYMATTR Value 1 SYMBOL res 1024 560 R0 SYMATTR InstName R10 SYMATTR Value 100K SYMBOL ind -288 -96 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 2.7µ SYMATTR Value2 Rser=10m SYMBOL cap -496 96 R0 SYMATTR InstName C4 SYMATTR Value 22µ SYMBOL res -592 80 R0 SYMATTR InstName R11 SYMATTR Value 5 SYMBOL res -400 80 R0 SYMATTR InstName R12 SYMATTR Value 3Meg SYMBOL res -400 176 R0 SYMATTR InstName R13 SYMATTR Value 1Meg SYMBOL cap -464 448 R180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C5 SYMATTR Value 1µ SYMBOL res -400 368 R0 SYMATTR InstName R14 SYMATTR Value 1Meg SYMBOL res -400 464 R0 SYMATTR InstName R15 SYMATTR Value 1Meg SYMBOL cap -272 640 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL cap -272 736 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 1µ SYMBOL cap -48 912 R0 SYMATTR InstName C8 SYMATTR Value 1µ SYMBOL res 112 864 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 1Meg SYMBOL res 128 1008 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R17 SYMATTR Value 1Meg SYMBOL cap 1024 -96 R0 WINDOW 123 30 62 Left 2 WINDOW 3 41 33 Left 2 SYMATTR Value2 Rpar=100K SYMATTR InstName C9 SYMATTR Value 10p SYMBOL cap 1024 192 R0 WINDOW 123 28 62 Left 2 WINDOW 3 38 32 Left 2 SYMATTR Value2 Rpar=100K SYMATTR InstName C10 SYMATTR Value 10p SYMBOL cap 1024 480 R0 WINDOW 123 26 59 Left 2 WINDOW 3 43 33 Left 2 SYMATTR Value2 Rpar=100K SYMATTR InstName C11 SYMATTR Value 10p TEXT 1136 904 Left 2 !.tran .7m startup TEXT 1536 -56 Left 2 ;The following I2C functions have been modeled:\n \n\nVrefx : Sets the reference voltage for the regulator\nFreqx : Sets the switching frequency ( 0 => 2.25MHz, 1 => 1.225MHz)\nModex : Sets the operation mode of buck regulators\n 0 - Pulse Skip Mode, 1 - Burst Mode, 2 - Forced Continuous Mode\nVrefx_slew: Sets the slew rate of reference votlage\n 0 - 0.88mV/us, 1 - 1.75mV/us, 2 - 3.5mV/us, 3 - 7mV/us\nDVDTx : Sets the slew of switching edge\n 0 - 1ns, 1 - 2ns, 2 - 4ns, 3 - 8ns\nPhasex : Sets the phase of switching\n 0 - switch on Clock Phase 1, 1 - switch on Clock Phase 2\nOVENx : Output Voltage Enable\n \nLDO2_slew: Sets the slew rate of LDO2\n 0 - 0.88mV/us, 1 - 1.75mV/us, 2 - 3.5mV/us, 3 - 7mV/us\nLDO4_ref : Sets output voltage of LDO4\n 0 - 2.8V, 1 - 2.5V, 2 - 1.8V, 3 - 3.3V