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MP8676 - 420kHz Step-Down Converter

Description

The MP8676 is a monolithic step-down switch mode converter with a built in internal power MOSFET.

It achieves 4.5A continuous output current over a wide input supply range with excellent load and line regulation.

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

Features

  • Wide 4.5V to 42V Operating Input Range.
  • 4.5A Continuous Output Current.
  • 100mΩ Internal Power MOSFET Switch.
  • Synchronizable Gate Driver Delivers up to 95% Efficiency.
  • Fixed 420kHz Frequency.
  • Synchronizable up to 1.5MHz.
  • Cycle-by-Cycle Over Current Protection with Hiccup retry.
  • Thermal Shutdown.
  • Output Adjustable from 0.8V.
  • Stable with Low ESR Output Ceramic Capacitors.
  • Available in a Thermally Enhanced 8-Pin SOIC Package.

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Full PDF Text Transcription

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The Future of Analog IC Technology MP8676 4.5A, 42V, 420kHz Step-Down Converter with Synchronizable Gate Driver DESCRIPTION The MP8676 is a monolithic step-down switch mode converter with a built in internal power MOSFET. It achieves 4.5A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MP8676 requires a minimum number of readily available standard external components and is available in an 8-pin SOIC package with exposed pad. FEATURES  Wide 4.5V to 42V Operating Input Range  4.
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