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RT8289 Key Features

  • High Output Current up to 5A
  • Internal Soft-Start
  • 100mΩ Internal Power MOSFET Switch
  • Internal pensation Minimizes External Parts
  • High Efficiency up to 90%
  • 25μA Shutdown Current
  • Fixed 500kHz Frequency
  • Thermal Shutdown Protection
  • Cycle-by-Cycle Over Current Protection
  • Wide 5.5V to 32V Operating Input Range

Related Richtek Datasheets

Part Number Description
RT8280 3MHz Step-Down Converter
RT8282A 340kHz Synchronous Step-Down Converter
RT8282B 1.2MHz Synchronous Step-Down Converter
RT8283A 340kHz Synchronous Step-Down Converter
RT8283B 1.2MHz Synchronous Step-Down Converter

RT8289 Description

The RT8289 is a step-down regulator with an internal Power MOSFET. It achieves 5A of continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization.