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RT5701 - 3MHz 4A High Efficiency Step-Down Converter

General Description

The RT5701 is a Peak-Current Mode Pulse-WidthModulated (PWM) step-down DC/DC converter with I2C control interface.

Key Features

  • include soft-start, auto discharge, lower internal reference voltage, overtemperature, and over-current protection. Features.
  • 2.5V to 5.5V Input Range.
  • Output Range from 0.3V to 5.5V  Bank 0 : 0.3V to 0.7V  Bank 1 : 0.6V to 1.4V  Bank 2 : 1.2V to 2.8V  Bank 3 : 2.4V to 5.5V  The Default Value is 1.5V (VSEL = High) and 1V (VSEL = Low).
  • 4A Continuing Output Current.
  • Support DVS in the Same Bank  VOUT Adjusting Range (max, min) is Settable.
  • High Efficiency  84% at 5V.

📥 Download Datasheet

Datasheet Details

Part number RT5701
Manufacturer Richtek
File Size 311.02 KB
Description 3MHz 4A High Efficiency Step-Down Converter
Datasheet download datasheet RT5701 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT5701 3MHz 4A High Efficiency Step-Down Converter with I2C Interface General Description The RT5701 is a Peak-Current Mode Pulse-WidthModulated (PWM) step-down DC/DC converter with I2C control interface. Capable of delivering 4A continuing output current over a wide input voltage range from 2.5V to 5.5V, the RT5701 is ideally suited for Automotive Infotainment applications for low-voltage outputs to Micro controllers and ASICs in Navigation, Information Display, and Audio systems, Video systems and other battery operated systems requiring very low Shutdown current and Quiescent current consumption. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky barrier diode is required in practical application.