Texas Instruments LP8900 Bruksanvisning

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LP8900

IN

GND

V

IN

V

EN

1

V

OUT

1

1 PF

V

OUT

2

V

EN

2

EN1

EN2

OUT2

OUT1

C

IN

C

OUT

1

C

OUT

2

1 PF

1 PF

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LP8900

SNVS542E–MAY2008–REVISEDJUNE2016

LP8900200-mAUltra-Low-NoiseDualLDO

ForRFandAnalogCircuits

1

1Features

1

•InputVoltageOperation:1.8Vto5.5V

•OutputVoltage:1.2Vto3.6V

•AccuracyOverTemperature:1%

•OutputVoltageNoise:6µV

RMS

•PSRR:75dBat1kHz

•Dropout:110mVat200mALoad

•QuiescentCurrent:48µAperRegulator

•Start-UpTime:80µs

•StableWithCeramicCapacitorsasSmallas0402

•Thermal-OverloadandShort-CircuitProtection

2Applications

•Battery-OperatedDevices

•Hand-HeldInformationAppliances

•NoiseSensitiveRFApplications

•DC-DCConvertorPostRegulationandFilter

3Description

TheLP8900isadualLDOcapableofsupplying200-

mAoutputcurrentperregulator.Designedtomeet

therequirementsofRFandanalogcircuits,the

LP8900provideslowdevicenoise,highPSRR,low

quiescentcurrent,andsuperiorlinetransient

responsefigures.

Usingnewinnovativedesigntechniques,theLP8900

offersclass-leadingdevicenoiseperformancewithout

anoisebypasscapacitor.

TheLP8900isdesignedtobestablewithspace

savingceramiccapacitorsassmallas0402case

size,enablingasolutionsize<4mm

2

.Performance

isspecifiedfora–40°Cto+125°Cjunction

temperaturerange.

Outputvoltageoptionsfrom1.2Vto3.6Vare

available;foravailability,contactyourlocalTIsales

office.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(MAX)

LP8900DSBGA(6)1.49mm×1.09mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

space

space

space

space

TypicalApplicationCircuit

Produktspecifikationer