Texas Instruments LP2966 Bedienungsanleitung
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LP2966
www.ti.com
SNVS028E–APRIL2000–REVISEDAPRIL2013
Dual150mAUltraLow-DropoutRegulator
CheckforSamples:LP2966
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FEATURES
KEYSPECIFICATIONS
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•UltraLowDrop-OutVoltage
•DropoutVoltage:VariesLinearlywithLoad
Current.Typically0.9mVat1mALoadCurrent
•LowGroundPinCurrent
and135mVat150mALoadCurrent
•<1µAQuiescentCurrentinShutdownMode
•GroundPinCurrent:Typically300µAat1mA
•IndependentShutdownofEachLDORegulator
LoadCurrentand340µAat100mALoad
•OutputVoltageAccuracy±1%
Current(withOneShutdownPinPulledLow)
•Ensured150mAOutputCurrentatEach
•ShutdownMode:Lessthan1µAQuiescent
Output
CurrentwhenBothShutdownPinsarePulled
•LowOutputNoise
Low
•ErrorFlagsIndicateStatusofEachOutput
•ErrorFlag:OpenDrainOutput,GoesLow
•AvailableinVSSOP-8SurfaceMountPackagewhentheCorrespondingOutputDrops10%
BelowNominal
•LowOutputCapacitorRequirements(1µF)
•PrecisionOutputVoltage:MultipleOutput
•OperateswithLowESRCeramicCapacitorsin
VoltageOptionsAvailableRangingfrom1.8V
MostApplications
to5.0VwithanEnsuredAccuracyof±1%at
•OverTemperature/OverCurrentProtection
RoomTemperature
•-40°Cto+125°CJunctionTemperatureRange
DESCRIPTION
APPLICATIONS
TheLP2966dualultralow-dropout(LDO)regulator
•CellularandWirelessApplications
operatesfroma+2.70Vto+7.0Vinputsupply.Each
outputdelivers150mAoverfulltemperaturerange.
•Palmtop/LaptopComputer
TheICoperateswithextremelylowdrop-outvoltage
•GPSSystems
andquiescentcurrent,whichmakesitverysuitable
•FlatPanelDisplays
forbatterypoweredandportableapplications.Each
LDOintheLP2966hasindependentshutdown
•PostRegulators
capability.TheLP2966provideslownoise
•USBApplications
performancewithlowgroundpincurrentinan
•HandHeldEquipmentandMultimeters
extremelysmallVSSOP-8package(refertopackage
dimensionsandCONNECTIONDIAGRAMformore
•WirelessDataTerminals
informationonVSSOP-8package).Awiderangeof
•OtherBatteryPoweredApplications
presetvoltageoptionsareavailableforeachoutput.
Inaddition,manymoreareavailableuponrequest
withminimumorders.Inall,256voltagecombinations
arepossible.
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2000–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | LP2966 |
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