TX9826
30V3ASynchronousStep-DownRegulator
Features
?Wide4.5Vto30VOperatingInputRange?Integratedinternalcompensation
?3AContinuousOutputCurrent?OutputAdjustablefrom0.925V
?NoSchottkyDiodeRequired?ShortProtectionwithHiccup-Mode
?600KHzFrequencyOperation?ThermalShutdown
?Built-inOverCurrentLimit?AvailableinESOP8Package
?Built-inOverVoltageProtection?-40°Cto+85°CTemperatureRange
?InternalSoftstart
Applications
?CarChargeports
?Smartpower-metersystem
?Generalpurposewithhighvoltageinput
GeneralDescription
TheTX9826isahighfrequency,synchronous,rectified,step-down,switch-modeconverterwithinternalpower
MOSFETs.Itoffersaverycompactsolutiontoachievea3Aoutputcurrentoverawideinputsupplyrange,with
excellentloadandlineregulation.
TheTX9826requiresaminimalnumberofreadilyavailable,externalcomponentsandisavailableinaspace
savingESOP8package.
TypicalApplicationCircuit
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TX9826
30V3ASynchronousStep-DownRegulator
AbsoluteMaximumRatings
Vin,EN,Voltage…...-0.3Vto36VSWVoltage………………...-0.3Vto(VIN+0.5V)
OperatingTemperatureRange…..-40°Cto+85°CStorageTemperatureRange………-65°Cto150°C
FBVoltages……………-0.3to6V