Texas Instruments LP3879 Bruksanvisning
Sidor 23 ej kategoriserat
Läs bruksanvisningen för Texas Instruments LP3879 gratis online eller ladda ner PDF:en. Bruksanvisningen har visats 6 gånger. Fråga om modellen? Ställ en fråga
LP3879
www.ti.com
SNVS396B–MAY2006–REVISEDAPRIL2013
LP3879Micropower800mALowNoise"CeramicStable"VoltageRegulatorforLow
VoltageApplications
CheckforSamples:LP3879
1
FEATURES
DESCRIPTION
TheLP3879isa800mAfixed-outputvoltage
2
•StandardOutputVoltage:1.00V,1.20V
regulatordesignedtoprovidehighperformanceand
•CustomVoltagesAvailablefrom1.0Vto1.2V
lownoiseinapplicationsrequiringoutputvoltages
(50mVIncrements)
between1.0Vand1.2V.
•InputVoltage:2.5to6V
UsinganoptimizedVIP(VerticallyIntegratedPNP)
•1%InitialOutputAccuracy
process,theLP3879deliverssuperiorperformance:
•DesignedforUsewithLowESRCeramic
GroundPinCurrent:Typically5.5mA@800mA
Capacitors
load,and200µA@100µAload.
•VeryLowOutputNoise
LowPowerShutdown:TheLP3879drawslessthan
•SenseOptionImprovesLoadRegulation
10μAquiescentcurrentwhenshutdownpinispulled
•8-LeadSOPowerPadandWSONSurface
low.
MountPackages
PrecisionOutput:Ensuredoutputvoltageaccuracy
•<10μAQuiescentCurrentinShutdown
is1%atroomtemperature.
•LowGroundPinCurrentatallLoads
LowNoise:Broadbandoutputnoiseisonly18μV
•HighPeakCurrentCapability
(typical)with10nFbypasscapacitor.
•Over-Temperature/Over-CurrentProtection
•-40°Cto+125°CJunctionTemperatureRange
APPLICATIONS
•ASICPowerSuppliesIn:
–Desktops,NotebooksandGraphicCards
–SetTopBoxes,PrintersandCopiers
•DSPandFPGAPowerSupplies
•SMPSPost-Regulator
•MedicalInstrumentation
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2006–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LP3879 |
Behöver du hjälp?
Om du behöver hjälp med Texas Instruments LP3879 ställ en fråga nedan och andra användare kommer att svara dig