Texas Instruments LP5904 Handleiding
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V
IN
V
EN
GND
V
OUT
OUTPUT
1 PF
1.0 PF
INPUT
ENABLE
GND
LP5904
SVA-30110401
LP5904
www.ti.com
SNVS637G–MARCH2011–REVISEDAPRIL2013
UltraLowNoise,200mALinearRegulatorforRF/Analog
Circuits-RequiresNoBypassCapacitor
CheckforSamples:LP5904
1
FEATURES
PACKAGE
•Stablewith1.0µFCeramicInputandOutput•4-BumpDSBGA(leadfree)
Capacitors
0.815mm×0.815mm×0.600mm
•NoNoiseBypassCapacitorRequired
DESCRIPTION
•RemoteOutputCapacitorPlacement
TheLP5904isalinearregulatorcapableofsupplying
•Thermal-overloadandShort-circuitProtection
200mAoutputcurrent.Designedtomeetthe
•–40°Cto+125°CJunctionTemperatureRange
requirementsofRF/Analogcircuits,theLP5904
forOperation
deviceprovideslownoise,highPSRR,lowquiescent
current,andlowlinetransientresponsefigures.Using
APPLICATIONSnewinnovativedesigntechniquestheLP5904offers
class-leadingdevicenoiseperformancewithouta
•CellularPhones
noisebypasscapacitorandtheabilityforremote
•PDAHandsets
outputcapacitorplacement.Anactivepulldowncircuit
witha280Ωresistoriswiredfromtheoutputto
•WirelessLANDevices
groundpinstoquicklydischargeoutputwhenthe
deviceisdisabled(VEN=low).
KEYSPECIFICATIONS
Thedeviceisdesignedtoworkwitha1.0µFinput
•InputVoltageRange…2.2Vto5.5V
anda1.0µFoutputceramiccapacitor.(NoBypass
•OutputVoltageRange…1.2Vto4.4V
Capacitorisrequired.)
•OutputCurrent…200mA
ThedeviceisavailableinaDSBGApackage.For
•LowOutputVoltageNoiseat
otherpackageoptionscontactyourlocalTIsales
200mA…6.5µVRMS
office.
•PSRR…78dBat1kHz
Thisdeviceisavailablebetween1.2Vand4.4Vin
•OutputVoltageTolerance…±2%
25mVsteps.PleasecontactTexasInstruments
Salesforspecificvoltageoptionneeds.
•VirtuallyZeroIQ(Disabled)…<1µA
•VeryLowIQ(Enabled)…11µA
•StartupTime…85µs
•LowDropout…95mVtyp
TYPICALAPPLICATIONCIRCUIT
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2011–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP5904 |
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