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MP4560 - 55V Step-Down Converter

General Description

The MP4560 is a high frequency step-down switching regulator with integrated internal highside high voltage power MOSFET.

It provides 2A output with current mode control for fast loop response and easy compensation.

Key Features

  • Wide 3.8V to 55V Operating Input Range.
  • 250mΩ Internal Power MOSFET.
  • Up to 2MHz Programmable Switching Frequency.
  • 140μA Quiescent Current.
  • Ceramic Capacitor Stable.
  • Internal Soft-Start.
  • Up to 95% Efficiency.
  • Output Adjustable from 0.8V to 52V.
  • Available in 3x3 10-Pin QFN and SOIC8 with Exposed Pad Packages.

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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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The Future of Analog IC Technology DESCRIPTION The MP4560 is a high frequency step-down switching regulator with integrated internal highside high voltage power MOSFET. It provides 2A output with current mode control for fast loop response and easy compensation. The wide 3.8V to 55V input range accommodates a variety of step-down applications, including those in automotive input environment. A 12µA shutdown mode supply current allows use in battery-powered applications. High power conversion efficiency over a wide load range is achieved by scaling down the switching frequency at light load condition to reduce the switching and gate driving losses. The frequency foldback helps prevent inductor current runaway during startup and thermal shutdown provides reliable, fault tolerant operation.