RY9155 17V 5A 560kHz 高效率PWM同步降压稳压器 TSOT23-6 深圳恒锐丰科技.pdf

RY9155

17V5A560kHzECOTPWMSyncStep-DownRegulator

Features

•Wide4Vto17VOperatingInputRange•38mΩ/18mΩLowRDS(ON)InternalPower

•5AContinuousOutputCurrentMOSFETs

•560kHzSwitchingFrequency•OutputAdjustablefrom0.76V

•ECOTModeControlwithFastTransient•NoSchottkyDiodeRequired

Response•ShortProtectionwithHiccup-Mode

•Built-inOverCurrentLimit•Integratedinternalcompensation

•Built-inOverVoltageProtection•ThermalShutdown

•Force-PWMMode•AvailableinTSOT23-6Package

•InternalSoft-Start•-40°Cto+85°CTemperatureRange

Applications

•DigitalSet-topBox(STB)•DigitalVideoRecorder(DVR)

•Flat-PanelTelevisionandMonitor•DSQModem

•Wi-FiRouter/AP•GeneralPurposes

GeneralDescription

TheRY9155isahighfrequency,synchronous,rectified,step-down,switch-modeconverterwithinternalpower

MOSFETs.Itoffersaverycompactsolutiontoachievea5.2Apeakoutputcurrentoverawideinputsupplyrange,

withexcellentloadandlineregulation.ECOTcontroloperationprovidesveryfasttransientresponseandeasyloop

designaswellasverytightoutputregulation.

TheRY9155requiresaminimalnumberofreadilyavailable,externalcomponentsandisavailableinaspacesaving

TSOT23-6p