Texas Instruments LP2951JAN Bruksanvisning
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LP2951JAN
www.ti.com
SNVS408A–NOVEMBER2010–REVISEDAPRIL2013
LP2951JANSeriesofAdjustableMicropowerVoltageRegulators
CheckforSamples:LP2951JAN
1
FEATURES
DESCRIPTION
TheLP2951isamicropowervoltageregulatorwith
2
•HighAccuracyOutputVoltage
verylowquiescentcurrent(75μAtyp.)andverylow
•Ensured100mAOutputCurrent
dropoutvoltage(typ.40mVatlightloadsand380mV
•ExtremelyLowQuiescentCurrent
at100mA).Itisideallysuitedforuseinbattery-
poweredsystems.Furthermore,thequiescentcurrent
•LowDropoutVoltage
increasesonlyslightlyindropout,prolongingbattery
•ExtremelyTightLoadandLineRegulation
life.
•VeryLowTemperatureCoefficient
Anadditionalfeatureisanerrorflagoutputwhich
•UseasRegulatororReference
warnsofalowoutputvoltage,oftenduetofalling
•NeedsMinimumCapacitanceforStability
batteriesontheinput.Itmaybeusedforapower-on
reset.Asecondfeatureisthelogic-compatible
•CurrentandThermalLimiting
shutdowninputwhichenablestheregulatortobe
•StablewithLow-ESROutputCapacitors(10mΩ
switchedonandoff.Also,thepartmaybepin-
to6Ω)
strappedfora5V,3V,or3.3Voutput(dependingon
•ErrorFlagWarnsofOutputDropout
theversion),orprogrammedfrom1.24Vto29Vwith
anexternalpairofresistors.
•Logic-ControlledElectronicShutdown
•OutputProgrammablefrom1.24to29V
CarefuldesignoftheLP2951hasminimizedall
contributionstotheerrorbudget.Thisincludesatight
initialtolerance(0.5%typ.),extremelygoodloadand
lineregulation(0.05%typ.)andaverylowoutput
voltagetemperaturecoefficient,makingthepart
usefulasalow-powervoltagereference.
ConnectionDiagram
TopView
Figure1.CDIPPackage
SeePackageNumberNAB0008A
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2010–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LP2951JAN |
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