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RT8265 - 1MHz Asynchronous Step-Down Converter

Description

The RT8265 is an asynchronous high voltage buck converter that can support the input voltage range from 4.75V to 24V and the output current can be up to 3A.

The IC provides a Feed-forward Voltage Mode operation to achieve the goal of fast line transient response.

Features

  • z Wide Operating Input Range : 4.75V to 24V z Adjustable Output Voltage Range : 0.8V to 15V z Output Current up to 3A z 25μA Low Shutdown Current z Power MOSFET : 110mΩ z High Efficiency up to 93% z 1MHz Fixed Switching Frequency z Stable with Low ESR Output Ceramic Capacitors z Programmable Soft-Start z Thermal Shutdown z Cycle-By-Cycle Over Current Protection z RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet Details

Part number RT8265
Manufacturer Richtek
File Size 249.61 KB
Description 1MHz Asynchronous Step-Down Converter
Datasheet download datasheet RT8265 Datasheet

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Full PDF Text Transcription

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RT8265 3A, 24V, 1MHz Asynchronous Step-Down Converter General Description The RT8265 is an asynchronous high voltage buck converter that can support the input voltage range from 4.75V to 24V and the output current can be up to 3A. The IC provides a Feed-forward Voltage Mode operation to achieve the goal of fast line transient response. The RT8265 also provides adjustable soft-start to be a flexible solution for customers. The chip provides protection functions such as cycle-bycycle current limiting and thermal shutdown protection. In shutdown mode, the regulator draws 25μA of supply current. The RT8265 is available in a SOP-8 (Exposed Pad) surface mount package.
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