Texas Instruments LP3996 Handleiding


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LP3996
V
IN
EN1
EN2
C
BYP
SET
POR
V
OUT1
V
OUT2
1 PF1 PF
1 PF
V
IN
EN1
EN2
V
OUT1
V
OUT2
POR
470 k:
GND
10 nF
Sets delay
for POR
LP3996
www.ti.com
SNVS360D–NOVEMBER2006–REVISEDOCTOBER2013
LP3996DualLinearRegulatorwith300mAand150mAOutputsandPower-On-Reset
CheckforSamples:LP3996
1
FEATURES
APPLICATIONS
2
•2LDOOutputswithIndependentEnable
•CellularHandsets
•1.5%AccuracyatRoomTemperature,3%Over•PDAs
Temperature
•WirelessNetworkAdaptors
•Power-On-ResetFunctionwithAdjustable
DelayDESCRIPTION
TheLP3996isaduallowdropoutregulatorwith
•ThermalShutdownProtection
power-on-resetcircuit.Thefirstregulatorcansource
•StablewithCeramicCapacitors
150mA,whilethesecondiscapableofsourcing300
mAandhasapower-on-resetfunctionincluded.
KEYSPECIFICATIONS
TheLP3996provides1.5%accuracyrequiringan
•InputVoltageRange2.0Vto6.0V
ultralowquiescentcurrentof35µA.Separateenable
•LowDropoutVoltage210mVat300mA
pinsalloweachoutputoftheLP3996tobeshut
down,drawingvirtuallyzerocurrent.
•Ultra-LowI
Q
(Enabled)35µA
•VirtuallyZeroI
Q
(Disabled)<10nA
TheLP3996isdesignedtobestablewithsmall
footprintceramiccapacitorsdownto1µF.An
•PackageAvailableinLead-FreeOption
externalcapacitormaybeusedtosetthePORdelay
10-pin3mmx3mm
timeasrequired.
TheLP3996isavailableinfixedoutputvoltagesand
comesina10-pin,3mmx3mmpackage.
TypicalApplicationCircuit
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2006–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.

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Product specificaties

Merk: Texas Instruments
Categorie: Niet gecategoriseerd
Model: LP3996

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