Texas Instruments LM25575 Handleiding
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LM25575
SNVS479H–JANUARY2007–REVISEDAUGUST2017
LM2557542-V,1.5-AStep-DownSwitchingRegulator
1
1Features
1
•Integrated42-V,330-mΩN-ChannelMOSFET
•Ultra-WideInputVoltageRangeFrom6Vto42V
•AdjustableOutputVoltageasLowas1.225V
•1.5%FeedbackReferenceAccuracy
•OperatingFrequencyAdjustableBetween50kHz
and1MHzWithSingleResistor
•MasterorSlaveFrequencySynchronization
•AdjustableSoft-Start
•EmulatedCurrentModeControlArchitecture
•WideBandwidthErrorAmplifier
•Built-InProtection
•HTSSOP-16EP(ExposedPad)
•CreateaCustomDesignUsingtheLM25575With
theWEBENCH
®
PowerDesigner
2Applications
•Industrial
3Description
TheLM25575isaneasytousebuckregulatorwhich
allowsdesignengineerstodesignandoptimizea
robustpowersupplyusingaminimumsetof
components.Operatingwithaninputvoltagerangeof
6Vto42V,theLM25575delivers1.5-Aof
continuousoutputcurrentwithanintegrated330-mΩ
N-ChannelMOSFET.Theregulatorutilizesan
EmulatedCurrentModearchitecturewhichprovides
inherentlineregulation,tightloadtransientresponse,
andeaseofloopcompensationwithouttheusual
limitationoflow-dutycyclesassociatedwithcurrent
moderegulators.Theoperatingfrequencyis
adjustablefrom50-kHzto1-MHztoallow
optimizationofsizeandefficiency.ToreduceEMI,a
frequencysynchronizationpinallowsmultipleIC’s
fromtheLM(2)557xfamilytoself-synchronizeorto
synchronizetoanexternalclock.TheLM25575
ensuresrobustnesswithcycle-by-cyclecurrentlimit,
short-circuitprotection,thermalshut-down,and
remoteshut-down.Thedeviceisavailableinapower
enhancedHTSSOP-16packagefeaturingan
exposeddieattachpadforthermaldissipation.The
LM25575issupportedbythefullsuiteof
WEBENCH
®
On-Linedesigntools.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LM25575HTSSOP(16)5.00mm×4.40mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
SimplifiedApplicationSchematic
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LM25575 |
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