Transcription of TPS543x 3-A, Wide Input Range, Step-Down …
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TPS543x 3-A, Wide Input Range, Step-Down …
VINNCNCENAGNDVSENSEBOOTPHTPS5430 %IOutput Current AO--Efficiency vs Output CurrentSimplified SchematicVI= 12 VV = 5 Vf = 500 kHzT = 25 COsAo25055657585 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,TPS5431 SLVS632I JANUARY2006 REVISEDAPRIL2017 TPS543x3-A, wide Input Range, Step-DownConverter11 Features1 WideInputVoltageRange: TPS5430 V to 36 V TPS5431 V to 23 V Up to 3-A Continuous(4-A Peak)OutputCurrent HighEfficiencyup to 95%Enabledby 110-m IntegratedMOSFETS witch with InternalCompensationMinimizesExternalPar tsCount Fixed500 kHz SwitchingFrequencyfor SmallFilterSize ImprovedLine Regulationand TransientResponseby InputVoltageFeedForward SystemProtectedby OvercurrentLimiting,OvervoltageProtectio nand ThermalShutdown 40 C to 125 C OperatingJunctionTemperatureRange Availablein SmallThermallyEnhanced8-PinSOPowerPAD Package C
VIN NC NC ENA GND VSENSE BOOT PH TPS5430/31 VIN VOUT 95 60 70 80 90 100 0 0.5 1 1.5 2.5 3 3.5 % I Output Current AO - - Simplified Schematic Efficiency vs Output Current V I = 12 V V = 5 V f = 500 kHz
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