RT5789B Datasheet Synchronous Step-Down Converter

Manufacturer: Richtek

Overview: ® RT5789A/B 6V, 6A, 1.5MHz ACOT® Synchronous Step-Down Converter in 2.

Download the RT5789B datasheet PDF. This datasheet also includes the RT5789A variant, as both parts are published together in a single manufacturer document.

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RT5789B synchronous step-down converter by Richtek - Datasheet Preview — PDF includes multiple variants.

Datasheet Details

Part number	RT5789B
Manufacturer	Richtek
File Size	522.13 KB
Description	Synchronous Step-Down Converter
Download	RT5789B Download (PDF)

General Description

The RT5789A/B is a simple, easy-to-use, 6A synchronous step-down DC-DC converter with an input supply voltage range of 2.5V to 6V.

The device build-in an accurate 0.6V (±1.5%) reference voltage and can operate in 100% duty cycle as a very low dropout voltage regulator.

the RT5789A/B integrates low RDS(ON) power MOSFETs to achieve high efficiency and is available in TSOT-23-8 (FC) package and UDFN-8L 2.5x2(FC) package.

Key Features

6A Converter With Built-In 18mΩ/16mΩ Low RDS(ON) Power FETs.
Input Supply Voltage Range : 2.5V to 6V.
Output Voltage Range : 0.6V to 6V.
Operates Up to 100% Duty Cycle.
Advanced Constant On-Time (ACOT®) Control  Ultrafast Transient Response  No Needs For External Compensations  Optimized for Low-ESR Ceramic Output Capacitors.
0.6V ±1.5% High-Accuracy Feedback Reference Voltage.
35μA Operation Quiescent Current (RT5789A).
Robust Over-Current Protecti.

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