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TPS54240 - Step-Down DC-DC Converter

Description

The TPS54240 device is a 42-V, 2.5-A, step-down regulator with an integrated high-side MOSFET.

Current mode control provides simple external compensation and flexible component selection.

A low-ripple, pulse skip mode reduces the no load, regulated output supply current to 138 μA.

Features

  • 1 3.5-V to 42-V Input Voltage Range.
  • 200-mΩ High-Side MOSFET.
  • High Efficiency at Light Loads With a Pulse Skipping Eco-Mode™.
  • 138-μA Operating Quiescent Current.
  • 1.3-μA Shutdown Current.
  • 100-kHz to 2.5-MHz Switching Frequency.
  • Synchronizes to External Clock.
  • Adjustable Slow Start and Sequencing.
  • UV and OV Power Good Output.
  • Adjustable UVLO Voltage and Hysteresis.
  • 0.8-V Internal Voltage Reference.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54240 SLVSAA6B – APRIL 2010 – REVISED NOVEMBER 2014 TPS54240 3.5-V to 42-V Step-Down DC - DC Converter With Eco-Mode™ 1 Features •1 3.5-V to 42-V Input Voltage Range • 200-mΩ High-Side MOSFET • High Efficiency at Light Loads With a Pulse Skipping Eco-Mode™ • 138-μA Operating Quiescent Current • 1.3-μA Shutdown Current • 100-kHz to 2.5-MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start and Sequencing • UV and OV Power Good Output • Adjustable UVLO Voltage and Hysteresis • 0.
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