RY9141 17V 4A 500千赫ECOT力矩脉宽调制同步降压稳压器 TSOT23-6 深圳恒锐丰科技.pdf

RY9141

17V4A500kHzECOTPWMSyncStep-DownRegulator

Features

•Wide4Vto17VOperatingInputRange•45mΩ/25mΩLowRDS(ON)InternalPower

•4AContinuousOutputCurrentMOSFETs

•500kHzSwitchingFrequency•OutputAdjustablefrom0.6V

•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

TheRY9141isahighfrequency,synchronous,rectified,step-down,switch-modeconverterwithinternalpower

MOSFETs.Itoffersaverycompactsolutiontoachievea4.2Apeakoutputcurrentoverawideinputsupplyrange,

withexcellentloadandlineregulation.ECOTcontroloperationprovidesveryfasttransientresponseandeasyloop

designaswellasverytightoutputregulation.

TheRY9141requiresaminimalnumberofreadilyavailable,externalcomponentsandisavailableinaspacesaving

TSOT23-6packag