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RT2875B Datasheet Synchronous Step-Down Converter

Manufacturer: Richtek

Download the RT2875B datasheet PDF. This datasheet also includes the RT2875A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT2875A-Richtek.pdf) that lists specifications for multiple related part numbers.

General Description

The RT2875A/B is a high efficiency, current-mode synchronous DC/DC step-down converter that can deliver up to 3A output current over a wide input voltage range from 4.5V to 36V.

The device integrates 95mΩ high-side and 70mΩ low-side MOSFETs to achieve high conversion efficiency.

The current-mode control architecture supports fast transient response and simple external compensation.

Overview

® RT2875A/B 3A, 36V, Synchronous Step-Down Converter General.

Key Features

  • 3A Output Current.
  • Internal N-MOSFETs.
  • Current Mode Control.
  • Adjustable Switching Frequency : 300kHz to 2.1MHz.
  • Adjustable Current Limit : 1.5A to 6A.
  • Synchronous to External Clock : 300kHz to 2.1MHz.
  • Adjustable Output Voltage from 0.6V to 24V.
  • High Efficiency Up to 95%.
  • Stable with Low ESR Ceramic Output Capacitors.
  • Cycle-by-Cycle Current Limit.
  • Input Under-Voltage Lockout.
  • Output Under-Voltage Protection.
  • Thermal Shutdown.

More Datasheets from Richtek

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RT2825 5A/5A Dual Synchronous Step-Down Converter
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