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RT6273B - Buck Converter

Download the RT6273B datasheet PDF. This datasheet also covers the RT6273A variant, as both devices belong to the same buck converter family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT6273A-Richtek.pdf) that lists specifications for multiple related part numbers.

General Description

The RT6273A/B is a simple, easy-to-use, 3A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 17V.

The device possesses an accurate reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency.

Overview

RT6273A/B 17V Input, 3A, ACOT® Buck Converter with Both FETs OC Protection.

Key Features

  • 3A Converter Integrated 95m and 50m FETs.
  • Continuous Current.
  • TSOT-23-6 (FC) : 3A.
  • SOT-563 (FC) : 2A.
  • Input Supply Voltage Range : 4.5V to 17V.
  • Output Voltage Range : 0.765V to 7V.
  • Advanced Constant On-Time (ACOT® ) Control.
  • Ultrafast Transient Response.
  • Optimized for Low-ESR Ceramic Output Capacitors.
  • High Accuracy Feedback Reference Voltage : Typ.  1%.
  • Optional for Operation Modes :.
  • RT6273A : Power Saving Mode (PSM).
  • RT6273B.

More Datasheets from Richtek

Part Number Description
RT6273A Buck Converter
RT6272A Buck Converter
RT6272B Buck Converter
RT6274C Buck Converter
RT6274D Buck Converter
RT6200 1.2MHz Step-Down Converter
RT6201A Synchronous Step-Down Converter
RT6201B Synchronous Step-Down Converter
RT6202A Synchronous Step-Down Converter
RT6202B Synchronous Step-Down Converter