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TPS5401 - Step-Down Converter

General Description

The TPS5401 device is a 42-V, 0.5-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 supply current to 116 μA when outputting regulated voltage with no load.

Key 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™ Control Scheme.
  • 116-μA Operating Quiescent Current.
  • 1.3-μA Shutdown Current.
  • 100-kHz to 2.5-MHz Switching Frequency.
  • Synchronizes to External Clock.
  • Adjustable Slow Start/Sequencing.
  • UV and OV Power-Good Output.
  • Adjustable UVLO Voltage and Hysteresis.
  • 0.8-V ±3.5% Internal Vo.

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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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS5401 SLVSAB0B – DECEMBER 2010 – REVISED NOVEMBER 2014 TPS5401 0.5-A, 42-V Input, Step-Down Converter 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™ Control Scheme • 116-μA Operating Quiescent Current • 1.3-μA Shutdown Current • 100-kHz to 2.5-MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start/Sequencing • UV and OV Power-Good Output • Adjustable UVLO Voltage and Hysteresis • 0.8-V ±3.