Texas Instruments LM10502 Handleiding

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LM10502

www.ti.com

SNVS884B–AUGUST2012–REVISEDMAY2013

LM10502DualBuck+LDOPowerManagementUnit

CheckforSamples:LM10502

1

FEATURES

DESCRIPTION

TheLM10502areadvancedPMUseachcontaining

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•TwoHighlyEfficientProgrammableBuck

twoconfigurable,high-efficiencybuckregulatorsfor

Regulators

supplyingvariablevoltages.Thedeviceisidealfor

–IntegratedFETswithLowR

DSON

supportingASICandSOCdesignsforSolid-State

–BucksOperatewithTheirPhasesShiftedto

andFlashdrives.

ReducetheInputCurrentRippleand

TheLM10502operatecooperativelywiththe

CapacitorSize

applicationASICtooptimizethesupplyvoltagefor

–ProgrammableOutputVoltageviatheSPI

low-powerconditionsandPowerSavingmodesvia

interfacetheSPIinterface.Italsosupportsa250mALDOand

aprogrammableInterruptComparatortomonitorVIN.

–OvervoltageandUndervoltageLockout

–AutomaticInternalSoftStartwithPower-on

Reset

–CurrentOverloadandThermalShutdown

Protection

–PFMModeforLow-Load,High-Efficiency

Operation

•Low-DropoutLDO3.0V,250mA

•SPI-ProgrammableInterruptComparator(2.0V

to4.0V)toMonitorVIN

APPLICATIONS

•Solid-StateDrives

KEYSPECIFICATIONS

•LM10502-ProgrammableBuckRegulators:

–Buck1:1.1Vto3.6V;1A

–Buck2:0.7Vto1.335V;1A

•±3%FeedbackVoltageAccuracy

•Upto95%EfficientBuckRegulators

•2MHzSwitchingFrequencyforSmaller

InductorSize

•2.5x2.5mm,0.5mmPitchDSBGAPackage

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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2012–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties