Texas Instruments LP3992 Handleiding
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LP3992
EN
OUT
GND
CAP
IN
V
IN
V
EN
V
OUT
1 PF
1 PF
C
OUT
C
IN
High= ON
Low= OFF
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LP3992
SNVS192C–OCTOBER2002–REVISEDNOVEMBER2015
LP3992Micropower1.5-VCMOSVoltageRegulatorWithShutdownControl
1Features3Description
TheLP3992regulatorisdesignedtomeetthe
1
•InputVoltage:1.9Vto5.2V
requirementsofportable,battery-poweredsystems
•OperationFromaLowInputVoltage:1.9V
providinganaccurateoutputvoltage,lownoise,and
•AccurateOutputVoltage:1.5V±0.09V
lowquiescentcurrent.Batterylifeisprolongedbythe
abilityoftheLP3992toprovidea1.5-Voutputfrom
•QuiescentCurrentinShutdown:<1.5µA
thelowinputvoltageof1.9V.Additionally,when
•StableWithanOutputCapacitor:1µF
switchedtoashutdownmodeviaalogicsignalatthe
•EnsuredOutputCurrent:30mA
enable(EN)pin,thepowerconsumptionisreduced
tovirtuallyzero.TheLP3992alsofeaturesshort-
•LowOutputVoltageNoise:300µV
RMS
circuitandthermal-shutdownprotection.
•LowQuiescentCurrent:29-µATypical
TheLP3992isdesignedtobestablewithspace-
•StableWithaCeramicCapacitor
savingceramiccapacitorsassmallas1µF.
•LogicControlledEnable
Performanceisspecifiedfora–40°Cto+125°C
•FastTurnonandTurnoff
temperaturerange.
•Thermal-OverloadandShort-CircuitProtection
Foroutputvoltagesotherthan1.5V,andfor
•–40°Cto+125°CJunctionTemperatureRange
additionalpackageoptions,contactTI.
2Applications
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
•GSMPortablePhones
LP3992SOT-23(5)2.90mm×1.60mm
•CDMACellularHandsets
(1)Forallavailablepackages,seetheorderableaddendumat
•WidebandCDMACellularHandsets
theendofthedatasheet.
•BluetoothDevices
•PortableInformationAppliances
TypicalApplication
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP3992 |
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