Texas Instruments LP38691 Bruksanvisning
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LP38693
IN
OUT
SNS
**
GND
1 µF *
1 µF *
V
OUT
V
IN
V
EN
EN
LP38691
IN
OUT
SNS
**
GND
1 µF *
1 µF *
V
OUT
V
IN
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Reference
Design
LP38691
,
LP38693
,
LP38691-Q1
,
LP38693-Q1
SNVS321O–JANUARY2005–REVISEDDECEMBER2015
LP3869x/-Q1500-mALow-DropoutCMOSLinearRegulators
StableWithCeramicOutputCapacitors
1Features3Description
TheLP3869xlow-dropoutCMOSlinearregulators
1
•WideInputVoltageRange(2.7Vto10V)
providetightoutputtolerance(2%typical),extremely
•AllWSONOptionsareAvailableasAEC-Q100
lowdropoutvoltage(250mVat500-mAloadcurrent,
Grade1
V
OUT
=5V),andexcellentACperformanceusing
•2%OutputAccuracy(25°C)
ultralowequivalentseriesresistance(ESR)ceramic
outputcapacitors.
•LowDropoutVoltage:250mVat500mA(Typical,
5VOut)
ThelowthermalresistanceoftheWSON,SOT-223,
andTO-252packagesallowuseofthefulloperating
•Precision(Trimmed)BandgapReference
currenteveninhighambienttemperature
•EnsuredSpecificationsfor–40°Cto125°C
environments.
•1-µAOff-StateQuiescentCurrent
TheuseofaPMOSpowertransistormeansthatno
•ThermalOverloadProtection
DCbase-drivecurrentisrequiredtobiasit,thus
•FoldbackCurrentLimiting
allowinggroundpincurrenttoremainbelow100µA
•GroundPinCurrent:55µA(typical)atfullloadregardlessofloadcurrent,inputvoltage,oroperating
temperature.
•EnablePin(LP38693)
DeviceInformation
(1)
2Applications
PARTNUMBERPACKAGEBODYSIZE(NOM)
•HardDiskDrives
TO-252(3)6.58mm×6.10mm
LP38691
•NotebookComputers
WSON(6)3.00mm×3.00mm
•Battery-PoweredDevices
SOT-223(5)6.50mm×3.56mm
LP38693
•PortableInstrumentation
WSON(6)3.00mm×3.00mm
LP38691-Q1
WSON(6)3.00mm×3.00mm
LP38693-Q1
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
4TypicalApplicationCircuits
*Minimumvaluerequiredforstability
*Minimumvaluerequiredforstability
**WSONpackagedevicesonly
**WSONpackagedevicesonly
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | ej kategoriserat |
| Modell: | LP38691 |
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