Texas Instruments LP8725 Handleiding

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LP8725

www.ti.com

SNVS618G–DECEMBER2009–REVISEDMAY2013

LP8725PowerManagementUnitforApplicationor

MultimediaProcessorsandSubsystems

CheckforSamples:LP8725

1

FEATURES

KEYSPECIFICATIONS

2

•TwoHigh-EfficiencyStep-DownDC-DC

•190mVtyp.DropoutVoltageondigitalLDOs

Converters,I

OUT

=600mA,Witha4-MHz@300mA

SwitchingFrequencyUsingSmall1-µH

•2%typ.OutputVoltageAccuracyondigital

Inductors,WithOptionsupto800mA

andanalogLDOs

•ThreeDigitalLDOsforupto300-mALoad

•10μVrmsOutputNoiseonanalogLDOs

CurrentEach

•±2%typ.OutputVoltageBucksupto93%

•TwoLow-NoiseAnalog300-mALDOs

efficiency

•TwoLow-InputLow-OutputRegulators,

•30-bumpDSBGApackage(0.5mmpitch)

I

OUT

=300mA

•I

2

C-CompatibleInterfaceforControlofInternalDESCRIPTION

Registers

Thisdeviceisamulti-functionprogrammablePower

ManagementUnit(PMU),optimizedforsubblock

•AdjustableStartupSequenceThroughSerial

powersolutions.Thisdeviceintegratestwohighly

InterfaceorConfiguration

efficient600-mAstep-downDC-DCconverters

•ThermalShutdownProtection

configurableupto800-mAloadwithDynamicVoltage

Scaling(DVS)viatheserialinterface,twolow-noise

APPLICATIONS

analogLDOs,threedigitalLDOsforupto300mA

loadcurrenteach,twoLow-InputLow-Output(LILO)

•MultimediaProcessors

regulators,andanI

2

C-compatibleserialinterfaceto

•PortableHandheldProducts

allowahostcontrolleraccesstotheinternalcontrol

registers.Thedevicealsofeaturesprogrammable

power-onsequencing.LDOregulatorsprovidehigh

PSRRandlownoiseideallysuitedforsupplying

powertobothanaloganddigitalloads.

ThedevicecanbeconfiguredeitherasaSub_PMU

formodules(forexample,cameraormultimedia

modules)orasastand-alonePMUthatpowersthe

processoritself.

1

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2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

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ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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