Texas Instruments LP5990 Bruksanvisning
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1.0 µF
V
OUT
GND
V
IN
V
EN
C
IN
C
OUT
V
IN
V
OUT
V
EN
GND
1.0 µF
LP5990
Capacitor Case
Size = 0402
LP5990
www.ti.com
SNVS438B–APRIL2007–REVISEDDECEMBER2007
LP5990Micropower200mACMOSLowDropoutVoltageRegulator
CheckforSamples:LP5990
1
FEATURES
DESCRIPTION
TheLP5990regulatorisdesignedtomeetthe
2
•Operationfrom2.2Vto5.5VInput
requirementsofportable,battery-poweredsystems
•±1%AccuracyOverTempRange
providinganaccurateoutputvoltage,lownoiseand
•OutputVoltagefrom0.8Vto3.6Vin50mV
lowquiescentcurrent.
Increments
TheLP5990willprovidea1.8Voutputfromalow
•30μAQuiescentCurrent(Enabled)
inputvoltageof2.2Vandcanprovide200mAtoan
externalload.
•10nAQuiescentCurrent(Disabled)
•160mVDropoutat200mALoad
Whenswitchedintoshutdownmodeviaalogicsignal
attheenablepin,thepowerconsumptionisreduced
•60μV
RMS
OutputVoltageNoise
tovirtually
•60μsStart-UpTime
zero.
•500μsShut-DownTime
•PSRR55dBat10kHz
Fastshut-downisachievedbythepushpull
architecture.
•Stablewith04021.0µFCeramicCapacitors
TheLP5990isdesignedtobestablewithspace
•LogicControlledEnable
saving0402ceramiccapacitorsassmallas1µF,this
•Thermal–OverloadandShort–Circuit
givesanoverallsolutionsizeof<2.5mm
2
.
Protection
Performanceisspecifiedfora-40°Cto125°C
junctiontemperaturerange.
APPLICATIONS
•CellularPhones
ThedeviceisavailableinDSBGAPackage(0.4mm
pitch)andisavailablewith
•Hand–HeldInformationAppliances
1.2V,1.3V,1.8V,2.8V,3.0V,3.3Vand3.6Voutputs.
Lowervoltageoptionsdownto0.8Vareavailableon
PACKAGE
request.Forallotheroutputvoltageoptionsplease
•4-BumpDSBGA,0.4mmPitch866µmx917
contactyourlocalTIsalesoffice.
µm(LeadFree)
TYPICALAPPLICATIONCIRCUIT
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2007,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LP5990 |
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