Datasheet4U Logo Datasheet4U.com

RT6255B Datasheet Step-Down Converter

Manufacturer: Richtek

Download the RT6255B datasheet PDF. This datasheet also includes the RT6255A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT6255A-Richtek.pdf) that lists specifications for multiple related part numbers.

General Description

The RT6255A/B is a high-performance, synchronous stepdown DC-DC converter that can deliver up to 5A output current from a 4.5V to 18V input supply.

The device integrates low RDS(ON) power MOSFETs, accurate 0.6V reference and an integrated diode of bootstrap circuit to offer a very compact solution.

The RT6255A/B adopts Advanced Constant On-Time (ACOTTM) control architecture that provides ultrafast transient response and further reduces the externalcomponent count.

Overview

Reference Design Sample & Buy ® RT6255A/B 5A, 18V, 500kHz, ACOTTM Step-Down Converter.

Key Features

  • are also integrated in the device including the cycle-by-cycle current limit control, UVP, input UVLO and OTP. The RT6255A/B is available in the TSOT-23-6 (FC) and TSOT-23-8 (FC) package. Features.
  • Input Supply Voltage Range : 4.5V to 18V.
  • Output Current : 5A.
  • Advanced Constant On-Time (ACOTTM) Control for Ultrafast Transient Response.
  • Steady Switching Frequency : 500kHz  Forced PWM Mode (RT6255B)  Pulse-Skipping Mode (PSM) at Light Load (RT6255A).
  • Optimized for Low-E.

More Datasheets from Richtek

Part Number Description
RT6255A Step-Down Converter
RT6252A Buck Converter
RT6252B Buck Converter
RT6254A Step-Down Converter
RT6254B Step-Down Converter
RT6256B 23V Synchronous Step-Down Converter
RT6256C 23V Synchronous Step-Down Converter
RT6258B 23V Synchronous Step-Down Converter
RT6258C 23V Synchronous Step-Down Converter
RT6258D 23V Synchronous Step-Down Converter