Texas Instruments LP3906 Handleiding
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VINLDO12
SYNC
VIN1
SW1
FB1
GND_SW1
VIN2
SW2
2.2 PH
2.2 PH
10 PF
10 PF
1 PF
10 PF
FB2
GND_SW2
AVDD
10 PF
1 PF
0.47 PF
1 PF
1 PF
0.47 PF
GND_C
GND_L
SCL
SDA
LDO2
LDO1
VINLDO2
VINLDO1
ENSW2
ENSW1
ENLDO2
ENLDO1
EN_T
LP3906
DAP
LP3906
www.ti.com
SNVS456M–AUGUST2006–REVISEDMAY2013
DualHigh-CurrentStep-DownDC/DCandDualLinearRegulatorwithI2CCompatible
Interface
CheckforSamples:LP3906
1
FEATURES
KEYSPECIFICATIONS
2
•CompatiblewithAdvancedApplications
•DC/DCConverter(Buck)
ProcessorsandFPGAs
–1.5AOutputCurrent
•2LDOsforPoweringInternalProcessor
–ProgrammableV
OUT
from:
FunctionsandI/Os
–Buck1:0.8V–2.0V
•HighSpeedSerialInterfaceforIndependent
–Buck2:1.0V–3.5V
ControlofDeviceFunctionsandSettings
–Upto96%Efficiency
•PrecisionInternalReference
–2MHzPWMSwitchingFrequency
•ThermalOverloadProtection
–±3%OutputVoltageAccuracy
•CurrentOverloadProtection
–AutomaticSoftStart
•24-lead5×4×0.8mmWQFNPackage
•LinearRegulators(LDO)
•SoftwareProgrammableRegulators
–ProgrammableV
OUT
of1.0V–3.5V
–±3%OutputVoltageAccuracy
APPLICATIONS
–300mAOutputCurrents
•FPGA,DSPCorePower
–25mW(Typ)Dropout
•ApplicationsProcessors
•PeripheralI/OPower
DESCRIPTION
TheLP3906isamulti-function,programmablePower
ManagementUnit,optimizedforlowpowerFPGAs,
MicroprocessorsandDSPs.
TypicalApplicationCircuits
Figure1.TypicalApplicationCircuit
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2006–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LP3906 |
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