RT5744 Datasheet 2.4MHz 4A/6A Step-Down Converter

Manufacturer: Richtek

RT5744 2.4mhz 4a/6a step-down converter by Richtek - Datasheet Preview

Datasheet Details

Part number	RT5744
Manufacturer	Richtek
File Size	1.34 MB
Description	2.4MHz 4A/6A Step-Down Converter
Download	RT5744 Download (PDF)

General Description

The RT5744 and RT5746 are step-down switching voltage regulators that deliver a digitally programmable output from an input voltage supply of 2.5V to 5.5V.

The output voltage is programmed through an I2C interface that can operate up to 3.4MHz.

Using a proprietary architecture with synchronous rectification, the RT5744 and RT5746 are capable of delivering continuous 4A and 6A, maintaining that efficiency at load currents as low as 10mA.

Overview

RT5744/RT5746 2.4MHz 4A/6A Step-Down Converter with I2C Interface.

Key Features

Programmable Output Voltage Range.
0.27V to 1.4V, 6.25mV/bit.
Programmable Slew Rate for Voltage Transitions.
Steady 2.4MHz Switching Frequency.
Fast Load Transient.
Continuous Output Current Capability: 4A/6A.
2.5V to 5.5V Input Voltage Range.
Digitally Programmable Output Voltage.
I2C-Compatible Interface Up to 3.4Mbps.
PFM Mode for High Efficiency at Light Load.
Quiescent Current in PFM Mode: 45A (Typical).
Input Undervoltage Locko.

More Datasheets from Richtek

Part Number	Description
RT5746	2.4MHz 4A/6A Step-Down Converter
RT5701	3MHz 4A High Efficiency Step-Down Converter
RT5707	Ultra-Low Quiescent Current HCOT Buck Converter
RT5707A	Ultra-Low Quiescent Current HCOT Buck Converter
RT5710A	6V CMCOT Synchronous Step-Down Converter
RT5710B	CMCOT Synchronous Step-Down Converter
RT5712F	6V CMCOT Synchronous Step-Down Converter
RT5713	0.5A/1A HCOT nanoPower Buck Converter
RT5714	0.5A/1A HCOT nanoPower Buck Converter
RT5715	High Efficiency Synchronous Step-Down Converter