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RT8270 - 1.2MHz Step-Down Converter

Description

The RT8270 is an asynchronous high voltage buck converter that can support the input voltage range from 4.75V to 22V and the output current can be up to 2A.

Current Mode operation provides fast transient response and eases loop stabilization.

Features

  • z z z z z z z z z z z Wide Operating Input Range : 4.75V to 22V Adjustable Output Voltage Range : 1.222V to 16V Output Current up to 2A 25μA Low Shutdown Current Power MOSFET : 0.18Ω High Efficiency up to 95% 1.2MHz Fixed Switching Frequency Stable with Low ESR Output Ceramic Capacitors Thermal Shutdown Protection Cycle-By-Cycle Over Current Protection RoHS Compliant and Halogen Free Ordering Information RT8270 Package Type S : SOP-8 Lead Plating System G : Green (Halogen Free and Pb Free) Not.

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Datasheet preview – RT8270

Datasheet Details

Part number RT8270
Manufacturer Richtek
File Size 258.25 KB
Description 1.2MHz Step-Down Converter
Datasheet download datasheet RT8270 Datasheet
Additional preview pages of the RT8270 datasheet.

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Full PDF Text Transcription

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RT8270 2A, 22V, 1.2MHz Step-Down Converter General Description The RT8270 is an asynchronous high voltage buck converter that can support the input voltage range from 4.75V to 22V and the output current can be up to 2A. Current Mode operation provides fast transient response and eases loop stabilization. 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 RT8270 is available in a SOP-8 surface mount package. Features z z z z z z z z z z z Wide Operating Input Range : 4.75V to 22V Adjustable Output Voltage Range : 1.222V to 16V Output Current up to 2A 25μA Low Shutdown Current Power MOSFET : 0.18Ω High Efficiency up to 95% 1.
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