Texas Instruments LP2983 Bruksanvisning

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ON/OFF

ON/OFF

GND

IN

ESR

OUT

V

OUT

V

IN

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP2983

SNVS170D–OCTOBER2001–REVISEDAPRIL2016

LP2983Micropower150-mAVoltageRegulatorinSOT-23Package

forOutputVoltages≤1.2VDesignedforUseWithVeryLow-ESROutputCapacitors

1

1Features

1

•OperatingInputSupplyVoltage:2.2Vto16V

•OutputCurrent:150mA

•LowZ

OUT

:0.3ΩTypical(10Hzto1MHz)

•StablewithLow-ESROutputCapacitor

•LowGroundPinCurrentatAllLoads

•OutputVoltageAccuracy1%(AGrade)

•HighPeakCurrentCapability

•WideSupplyVoltageRange(16VMaximum)

•OvertemperatureandOvercurrentProtection

•−40°Cto+125°CJunctionTemperatureRange

•RequiresMinimumExternalComponents

2Applications

•CellularPhones

•Palmtop/LaptopComputers

•PersonalDigitalAssistants(PDA)

•Camcorders,PersonalStereos,Cameras

3Description

TheLP2983isa150-mA,fixed-outputvoltage

regulatordesignedtoprovidetightvoltageregulation

inapplicationswithoutputvoltages≤1.2V.

UsinganoptimizedverticallyintegratedPNP(VIP)

process,theLP2983deliversunequaledperformance

inallcriticalspecifications:

•Groundpincurrent:Typically825µAata150-mA

load,and75µAata1-mAload.

•Enhancedstability:TheLP2983isstablewith

outputcapacitorESRdowntozero,whichallows

theuseofceramiccapacitorsontheoutput.

•Precisionoutput:1%toleranceoutputvoltages

available(Agrade).

•Smallestpossiblesize:SOT-23packageuses

absoluteminimumboardspace.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LP2983SOT-23(5)2.90mm×1.60mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

space

space

space

TypicalApplication

Produktspecifikationer