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MP2454 - 0.6A Step-Down Converter

General Description

The MP2454 is a frequency-programmable (350kHz to 2.3MHz), step-down switching regulator with an integrated internal high-side, high-voltage power MOSFET.

It outputs efficiently up to 0.6A and has current-mode control for fast loop response.

Key Features

  • 60μA Operating Quiescent Current.
  • Wide 3.3V to 36V Operating Input Range.
  • 200mΩ Internal Power MOSFET.
  • Up to 2.3MHz Programmable Switching Frequency.
  • Stable with Ceramic Output Capacitors.
  • Internal Compensation.
  • External Soft Start.
  • > 90% Efficiency.
  • Low Dropout Operation for Cold Crank.
  • 3.5μA Low Shutdown Supply Current.
  • Synchronization to External Clock.
  • Power Good Output.
  • Programmable Power Good Delay Time.
  • MSOP-10 EP and.

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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 MP2454 is a frequency-programmable (350kHz to 2.3MHz), step-down switching regulator with an integrated internal high-side, high-voltage power MOSFET. It outputs efficiently up to 0.6A and has current-mode control for fast loop response. The wide 3.3V to 36V input range accommodates a variety of step-down applications in automotiveinput environments. A 3.5μA shutdown mode quiescent current allows for use in batterypowered applications. Also, the device has a high duty cycle and low drop-out mode for automotive cold-crank conditions. The MP2454 achieves high-power conversion efficiency over a wide load range by scaling down the switching frequency at light-load conditions to reduce both switching and gate driving losses.