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

Datasheet Summary

Description

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

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.

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Datasheet preview – RT5701

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
Additional preview pages of the RT5701 datasheet.

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Full PDF Text Transcription

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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.
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