Texas Instruments LP38798 Handleiding
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LP38798
SNOSCT6F–MARCH2013–REVISEDJANUARY2017
LP38798800-mAUltra-Low-Noise,High-PSRRLDO
1
1Features
1
•WideOperatingInputVoltageRange:
3Vto20V
•Ultra-LowOutputNoise:5µV
RMS
(10Hzto100kHz)
•HighPSRR:90dBat10kHz,60dBat100kHz
•±1%OutputVoltageInitialAccuracy(T
J
=25°C)
•VeryLowDropout:200mV(Typical)at800mA
•StablewithCeramicorTantalumOutput
Capacitors
•ExcellentLineandLoadTransientResponse
•CurrentLimitandOvertemperatureProtection
•CreateaCustomDesignUsingtheLP38798With
theWEBENCH
®
PowerDesigner
2Applications
•RFPowerSupplies:PLLs,VCOs,Mixers,LNAs
•TelecomInfrastructure
•WirelessInfrastructure
•VeryLow-NoiseInstrumentation
•PrecisionPowerSupplies
•High-Speed,High-PrecisionDataConverters
3Description
TheLP38798-ADJisahigh-performance,low-noise
LDOthatcansupplyupto800mAoutputcurrent.
Designedtomeettherequirementsofsensitive
RF/Analogcircuitry,theLP38798-ADJimplementsa
novellineartopologyonanadvancedCMOSprocess
todeliverultra-lowoutputnoiseandhighPSRRat
switchingpowersupplyfrequencies.The
LP38798SD-ADJisstablewithbothceramicand
tantalumoutputcapacitorsandrequiresaminimum
outputcapacitanceofonly1µFforstability.
TheLP38798-ADJcanoperateoverawideinput
voltagerange(3Vto20V)makingitwellsuitedfor
manypost-regulationapplications.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LP38798WSON(12)4.00mm×4.00mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
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Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP38798 |
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