Texas Instruments LP38511 Bruksanvisning
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OUT
IN
GND
LP38511
V
IN
V
OUT
EN
V
EN
10 k:
ERROR
V
ERROR
C
IN
10 PF
Ceramic
C
OUT
10 PF
Ceramic
GND
GND
ON
OFF
LP38511
www.ti.com
SNOSAU6E–NOVEMBER2007–REVISEDAPRIL2013
LP38511-1.8800mAFast-TransientResponseLow-DropoutLinearVoltageRegulatorwith
ErrorFlag
CheckforSamples:LP38511
1
FEATURES
DESCRIPTION
TheLP38511-1.8Fast-TransientResponseLow-
2
•2.25Vto5.5VInputVoltageRange
DropoutVoltageRegulatoroffersthehighest-
•1.8VFixedOutputVoltage
performanceinmeetingACandDCaccuracy
•800mAOutputLoadCurrent
requirementsforpoweringDigitalCores.The
LP38511-1.8usesaproprietarycontrolloopthat
•+/-2.5%V
OUT
AccuracyoverLine,Load,and
enablesextremelyfastresponsetochangeinline
Full-TemperatureRangefrom-40°Cto+125°C
conditionsandloaddemands.OutputVoltageDC
•Stablewithtiny10µFCeramicCapacitors
accuracyisspecifiedat±2.5%overline,loadandfull
•0.20%OutputVoltageLoadRegulationfrom10
temperaturerangefrom-40°Cto+125°C.The
mAto800mA
LP38511-1.8isdesignedforinputsfromthe2.5V,
3.3V,and5.0Vrail,isstablewith10uFceramic
•Enablepin
capacitors,andhasafixed1.8Voutput.AnErrorFlag
•ErrorFlagIndicatesStatusofOutputVoltage
featuremonitorstheoutputvoltageandnotifiesthe
•1µAofQuiescentCurrentinShutdown
systemprocessorwhentheoutputvoltagefallsmore
than15%belowthenominalvalue.TheLP38511-1.8
•40dBofPSRRat100kHz
providesexcellenttransientperformancetomeetthe
•Over-TemperatureandOver-Current
demandofhighperformancedigitalcoreASICs,
Protection
DSPs,andFPGAsfoundinhighly-intensive
•DDPAK/TO-263andPFMSurfaceMount
applicationssuchasservers,routers/switches,and
basestations.
Packages
APPLICATIONS
•DigitalCoreASICs,FPGAs,andDSPs
•Servers
•RoutersandSwitches
•BaseStations
•StorageAreaNetworks
•DDR2Memory
TypicalApplicationCircuit
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2007–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LP38511 |
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