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RT7279 - Synchronous Step-Down Converter

This page provides the datasheet information for the RT7279, a member of the RT7274 Synchronous Step-Down Converter family.

Datasheet Summary

Description

The RT7274/79/80/81 is a synchronous step-down DC/ DC converter with Advanced Constant On-Time (ACOTTM) mode control.

It achieves high power density to deliver up to 2A output current from a 4.5V to 18V input supply.

Features

  • z ACOTTM Mode Enables Fast Transient Response z 4.5V to 18V Input Voltage Range z 2A Output Current z High Efficient Internal N-MOSFET Optimized for Lower Duty Cycle.

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Datasheet preview – RT7279

Datasheet Details

Part number RT7279
Manufacturer Richtek
File Size 386.92 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT7279 Datasheet
Additional preview pages of the RT7279 datasheet.

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Full PDF Text Transcription

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® RT7274/79/80/81 2A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter General Description The RT7274/79/80/81 is a synchronous step-down DC/ DC converter with Advanced Constant On-Time (ACOTTM) mode control. It achieves high power density to deliver up to 2A output current from a 4.5V to 18V input supply. The proprietary ACOTTM mode offers an optimal transient response over a wide range of loads and all kinds of ceramic capacitors, which allows the device to adopt very low ESR output capacitor for ensuring performance stabilization. In addition, RT7274/79/80/81 keeps an excellent constant switching frequency under line and load variation and the integrated synchronous power switches with the ACOTTM mode operation provides high efficiency in whole output current load range.
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