RT6258C Datasheet 23V Synchronous Step-Down Converter

Manufacturer: Richtek

Download the RT6258C datasheet PDF. This datasheet also includes the RT6258B variant, as both parts are published together in a single manufacturer document.

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RT6258C 23v synchronous step-down converter by Richtek - Datasheet Preview — Note: The manufacturer provides a single datasheet file (RT6258B-Richtek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	RT6258C
Manufacturer	Richtek
File Size	390.75 KB
Description	23V Synchronous Step-Down Converter
Download	RT6258C Download (PDF)

General Description

The RT6258B/C is an advanced constant on-time (ACOT®) mode synchronous buck converter.

The main control loop of the RT6258B/C using an advanced constant on-time (ACOT®) mode control which provides a very fast transient response.

The RT6258B operates from 4.5V to 23V input voltage and the RT6258C operates from 5.1V to 23V.

Overview

® RT6258B/C 8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO.

Key Features

4.5V to 23V (RT6258B) and 5.1V to 23V (RT6258C) Input Voltage Range 8A Output Current.
ACOT®Mode Performs Fast Transient Response.
ACOT® Architecture to Enable All MLCC Output Capacitor Usage.
Fixed 750kHz (RT6258C) and 500kHz (RT6258B) Switching Frequency.
High Efficient Internal Power MOSFET Switch- 20mΩ (High-Side) and 10mΩ (Low-Side).
Fixed 3.3V (RT6258B) and 5V (RT6258C) LDOs Output Supply 100mA.
Pre-biased Soft-Start.
Cycle-by-Cycle Over-Current Pro.

More Datasheets from Richtek

Part Number	Description
RT6258B	23V Synchronous Step-Down Converter
RT6258D	23V Synchronous Step-Down Converter
RT6252A	Buck Converter
RT6252B	Buck Converter
RT6254A	Step-Down Converter
RT6254B	Step-Down Converter
RT6255A	Step-Down Converter
RT6255B	Step-Down Converter
RT6256B	23V Synchronous Step-Down Converter
RT6256C	23V Synchronous Step-Down Converter