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RT2101B - Synchronous Step-Down Converter

General Description

The RT2101B is a high efficiency step-down converter and capable of delivering 2A output current over a wide input voltage range from 2.95V to 6V.

The RT2101B provides accurate regulation for a variety of loads with ±3% accuracy.

Key Features

  • Integrated 45mΩ MOSFETs.
  • Input Range : 2.95V to 6V.
  • Adjustable PWM Frequency : 700kHz to 2MHz.
  • Output Current : 2A.
  • 95% Efficiency.
  • Adjustable Soft-Start.
  • Power Good Indicator.
  • Enable Control.
  • Under Voltage Lockout.
  • Current Limit.
  • Thermal Shutdown.

📥 Download Datasheet

Datasheet Details

Part number RT2101B
Manufacturer Richtek
File Size 201.14 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet RT2101B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT2101B 2.95V to 6V Input, 2A Output, 2MHz, Synchronous Step-Down Converter General Description The RT2101B is a high efficiency step-down converter and capable of delivering 2A output current over a wide input voltage range from 2.95V to 6V. The RT2101B provides accurate regulation for a variety of loads with ±3% accuracy. For reducing inductor size, it provides up to 2MHz switching frequency. The efficiency is maximized through the integrated 45mΩ MOSFETs and 550μA typical supply current. Under voltage lockout voltage of the RT2101B is 2.7V, and it also provides external setting by a resistor network on the enable pin. The RT2101B provides protections such as inductor current limit under voltage lockout and thermal shutdown. The over temperature threshold is 145°C.