Texas Instruments LP2985LV-N Bruksanvisning

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ON/OFF

C

OUT

2.2 µF

LP2985LV

ON/OFF

C

BYPASS

0.01 µF

GND

IN

BYPASS

OUT

V

OUT

V

IN

C

IN

1 µF

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP2985LV-N

SNOS510Q–NOVEMBER1999–REVISEDOCTOBER2016

LP2985LV-NMicropower150-mA,Low-Noise,Low-DropoutRegulatorinSOT-23and

DSBGAPackages

1

1Features

1

•WideSupplyVoltageRange:2.2Vto16V

•Ensured150-mAOutputCurrent

•RequiresMinimumExternalComponents

•StableWithLow-ESROutputCapacitor

•<1-µAQuiescentCurrentWhenShutDown

•LowGroundPinCurrentatallLoads

•OutputVoltageAccuracy1%(AGrade)

•HighPeakCurrentCapability

•LowZ

OUT

:0.3-ΩTypical(10Hzto1MHz)

•Overtemperature/OvercurrentProtection

•−40°Cto+125°CJunctionTemperatureRange

2Applications

•CellularPhone

•Palmtop/LaptopComputer

•PersonalDigitalAssistant(PDA)

•Camcorder,PersonalStereo,Camera

3Description

TheLP2985LV-Nisa150-mA,fixed-outputvoltage

regulatordesignedtoprovidehighperformanceand

lownoiseinapplicationsrequiringoutputvoltages≤2

V.

UsinganoptimizedverticallyintegratedPNP(VIP)

process,theLP2985LV-Ndeliversunequaled

performanceinallspecificationscriticaltobattery-

powereddesigns:

•GroundPinCurrent:Typically825µAat150-mA

load,and75µAat1-mAload.

•EnhancedStability:TheLP2985LV-Nisstable

withoutputcapacitorequivalentseriesresistance

(ESR)aslowas5mΩ,whichallowstheuseof

ceramiccapacitorsontheoutput.

•SleepMode:Lessthan1-µAquiescentcurrent

whenON/OFFpinispulledlow.

•PrecisionOutput:1%toleranceoutputvoltages

available(Agrade).

•LowNoise:Byaddinga10-nFbypasscapacitor,

outputnoisecanbereducedto30µV(typical).

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LP2985LV-N

SOT-23(5)2.90mm×1.60mm

DSBGA(5)1.164mm×0.987mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

Space

TypicalApplication

Produktspecifikationer