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RT5735A - 5A Step-Down Converter

Datasheet Summary

Description

The RT5735A device is a full featured 5.5V, 5A, synchronous step down constant-on-time (COT) current mode converter with two integrated MOSFETs.

Features

  • 2.5V to 5.5V Input Supply Voltage.
  • Current Mode COT Control Loop Design.
  • Fast Transient Response.
  • Internal 34m and 18m Synchronous Rectifier.
  • Highly Accurate VOUT Regulation Over Load/Line Range.
  • Robust Loop Stability with Low-ESR COUT.
  • Over-Temperature Protection.

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Datasheet preview – RT5735A

Datasheet Details

Part number RT5735A
Manufacturer Richtek
File Size 1.33 MB
Description 5A Step-Down Converter
Datasheet download datasheet RT5735A Datasheet
Additional preview pages of the RT5735A datasheet.

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Full PDF Text Transcription

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RT5735A 5A Step-Down Converter with I2C Interface General Description The RT5735A device is a full featured 5.5V, 5A, synchronous step down constant-on-time (COT) current mode converter with two integrated MOSFETs. The RT5735A enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2.4MHz switching frequency, and minimizing the IC footprint with a small WL-CSP-20B 1.6x2 (BSC) package. The RT5735A provides accurate regulation for a variety of loads with an accurate ±1% Voltage Reference (VREF) over temperature. Efficiency is maximized through the integrated 34m/18m MOSFETs and 70A typical quiescent current.
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