Texas Instruments LMS8117A Handleiding

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10F

Tantalum

m

INPUT

LMS8117A

OUTPUT

10F

Tantalum

m

(1)

GND

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMS8117A

SNOS487F–MAY2004–REVISEDDECEMBER2016

LMS8117A1-ALow-DropoutLinearRegulator

1

1Features

1

•Availablein1.8-V,3.3-V,andAdjustableVersions

•Space-SavingSOT-223andTO-252Packages

•CurrentLimitingandThermalProtection

•OutputCurrent:1A

•TemperatureRange:0°Cto125°C

•LineRegulation:0.2%(Maximum)

•LoadRegulation:0.4%(Maximum)

2Applications

•PostRegulatorforSwitchingDC-DCConverters

•HighEfficiencyLinearRegulators

•BatteryChargers

•Battery-PoweredInstrumentation

3Description

TheLMS8117Adeviceisaseriesoflow-dropout

voltageregulatorswithadropoutof1.2Vat1Aof

loadcurrent.Thedevicehasthesamepinoutasthe

LM317.

TheLMS8117Aisavailableinanadjustableversion,

whichcansettheoutputvoltagefrom1.27Vto

13.8Vwithonlytwoexternalresistors.Inaddition,

thedeviceisalsoavailableintwofixedvoltages,

1.8Vand3.3V.

TheLMS8117Aofferscurrentlimitingandthermal

shutdown.ThedevicecircuitincludesaZener

trimmedband-gapreferencetoassureoutputvoltage

accuracytowithin±1%.

TheLMS8117AisavailableinSOT-223andTO-252

D-PAKpackages.A10-µF(minimum)tantalum

capacitorisrequiredattheoutputtoimprovethe

transientresponseandstability.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMS8117A

SOT-223(4)3.50mm×6.50mm

TO-252(3)6.10mm×6.58mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

FunctionalBlockDiagram

Product specificaties