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MP2141N - Step-Down Converter

General Description

The MP2141N is a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs.

It can achieve 1A of continuous output current from a 2.3V-to-5.5V input voltage range with excellent load and line regulation.

The output voltage can be regulated as low as 0.6V.

Key Features

  • Low Quiescent Current: 11μA.
  • 2.2MHz Switching Frequency.
  • EN for Power Sequencing.
  • Wide 2.3V-to-5.5V Operating Input Range.
  • Output Adjustable from 0.6V.
  • Up to 1A Output Current.
  • 120mΩ and 80mΩ Internal Power MOSFET Switches.
  • Output Discharge.
  • Short-Circuit Protection (SCP) with Hiccup Mode.
  • Stable with Low ESR Output Ceramic Capacitors.
  • 100% Duty Cycle.
  • Power Good Only for Fixed Output Version.
  • Available in a SOT563 Package.

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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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MP2141N 1A, Synchronous, Step-Down Converter with 11µA Quiescent Current in SOT563 DESCRIPTION The MP2141N is a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs. It can achieve 1A of continuous output current from a 2.3V-to-5.5V input voltage range with excellent load and line regulation. The output voltage can be regulated as low as 0.6V. The constant-on-time control scheme provides a fast transient response and eases loop stabilization. Fault protections include cycle-bycycle current limiting and thermal shutdown. The MP2141N is available in an ultra-small SOT563 package and requires a minimal number of readily available, standard, external components.