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
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2009–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP8725 |
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