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RT2859B Datasheet

Synchronous Step-down Converter

Manufacturer: Richtek

This datasheet includes multiple variants, all published together in a single manufacturer document.

RT2859B Overview

The RT2859A/B are high-performance 650kHz 3A step-down regulators with internal power switches and synchronous rectifiers.

RT2859B Key Features

  • Fast Transient Response
  • Steady 650kHz Switching Frequency at all Load
  • Discontinuous Operating Mode at Light Load
  • 3A Output Current
  • Advanced Constant On-Time (ACOT® Control
  • Optimized for Ceramic Output Capacitors
  • 4.5V to 18V Input Voltage Range
  • Internal 70m Switch and 70m Synchronous
  • 0.765V to 7V Adjustable Output Voltage
  • Externally-Adjustable, Pre-Biased patible

RT2859B Distributor