RY9151 16V 5A 500KHz 低功耗同步降压稳压器 SOT23-6 深圳恒锐丰科技.pdf
RY9151
16V5A500KHzECOTSyncStep-DownRegulator
Features
•Wide4.5Vto16VOperatingInputRange•41mΩ/27mΩLowRDS(ON)InternalPower
•5AContinuousOutputCurrentMOSFETs
•500KHzSwitchingFrequency•OutputAdjustablefrom0.6V
•ECOTModeControlwithFastTransient•ShortProtectionwithHiccup-Mode
Response•Integratedinternalcompensation
•Built-inOverCurrentLimit•ThermalShutdown
•Built-inOverVoltageProtection•AvailableinSOT23-6Package
•Force-PWMMode•-40°Cto+85°CTemperatureRange
•InternalSoft-Start
Applications
•DigitalSet-topBox(STB)•DigitalVideoRecorder(DVR)
•TabletPersonalComputer(Pad)•PortableMediaPlayer(PMP)
•Flat-PanelTelevisionandMonitor•CableModem/XDSL
•Wi-FiRouter/AP•GeneralPurposes
GeneralDescription
TheRY9151isahighfrequency,synchronous,rectified,step-down,switch-modeconverterwithinternalpower
MOSFETs.Itoffersaverycompactsolutiontoprovidea5Acontinuousoutputcurrentoverawideinputsupply
range,withexcellentloadandlineregulation.ECOTcontroloperationprovidesveryfasttransientresponseand
easyloopdesignaswellasverytightoutputregulation.
TheRY9151requiresaminimalnumberofreadilyavailable,externalcomponentsandisavailableinaspacesaving
SOT23-6package.
TypicalApplicationCircuit
C1
VIN