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TPS54040A - 42-V Step Down DC/DC Converter

Datasheet Summary

Description

The TPS54040A 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 no load, regulated input supply current to 116 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™.
  • Tighter Enable Threshold than TPS54040 for More Accurate UVLO Voltage.
  • Adjustable UVLO Voltage and Hysteresis.
  • 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.

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Datasheet preview – TPS54040A

Datasheet Details

Part number TPS54040A
Manufacturer Texas Instruments
File Size 3.38 MB
Description 42-V Step Down DC/DC Converter
Datasheet download datasheet TPS54040A Datasheet
Additional preview pages of the TPS54040A datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54040A SLVSB58B – MARCH 2012 – REVISED JANUARY 2016 TPS54040A 0.5-A, 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™ • Tighter Enable Threshold than TPS54040 for More Accurate UVLO Voltage • Adjustable UVLO Voltage and Hysteresis • 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 • 0.
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