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RT8280 - 3MHz Step-Down Converter

Description

The RT8280 is a high voltage buck converter that can support an input voltage range from 4.5V to 24V with output current up to 3A.

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

Features

  • Wide Operating Input Range : 4.5V to 24V Adjustable Output Voltage Range : 0.8V to 15V Output Current up to 3A 25μA Low Shutdown Current High Efficiency up to 90% at 2.2MHz Programmable Frequency : 220kHz to 3MHz Internal Soft-Start Stable with Low ESR Output Ceramic Capacitors Thermal Shutdown Protection Cycle-By-Cycle Over Current Protection RoHS Compliant and Halogen Free Ordering Information RT8280 Package Type SP : SOP-8 (Exposed Pad-Option 1) Lead Plating System G : Green (Halogen Free an.

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Datasheet Details

Part number RT8280
Manufacturer Richtek
File Size 316.67 KB
Description 3MHz Step-Down Converter
Datasheet download datasheet RT8280 Datasheet

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Full PDF Text Transcription

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® RT8280 3A, 24V, 3MHz Step-Down Converter General Description The RT8280 is a high voltage buck converter that can support an input voltage range from 4.5V to 24V with output current up to 3A. 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 only draws 25μA of supply current. The RT8280 is available in a SOP-8 (Exposed Pad) package. Features Wide Operating Input Range : 4.5V to 24V Adjustable Output Voltage Range : 0.8V to 15V Output Current up to 3A 25μA Low Shutdown Current High Efficiency up to 90% at 2.
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