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TPS53219A - synchronous buck controller

Description

The TPS53219A device is a small-sized single buck controller with adaptive ON-time D-CAP mode control.

The device is suitable for low output voltage, high current, PC system power rail and similar pointof-load (POL) power supplies in digital consumer products.

Features

  • 1 Conversion input voltage range: 3 V to 28 V.
  • VDD input voltage range: 4.5 V to 25 V.
  • Output voltage range: 0.6 V to 5.5 V.
  • Wide output load range: 0 A to > 20 A.
  • Built-in 0.6-V (±0.8%) reference.
  • Built-in LDO linear voltage regulator.
  • Auto-skip Eco-Mode™ for light-load efficiency.
  • D-CAP™ mode with 100-ns load-step response.
  • Adaptive ON-time control architecture with 8 selectable frequency settings.
  • 4700pp.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS53219A SLUSAU4B – DECEMBER 2011 – REVISED FEBRUARY 2019 TPS53219A 3-V to 28-V Input, D-CAP, Eco-Mode™, synchronous buck controller 1 Features •1 Conversion input voltage range: 3 V to 28 V • VDD input voltage range: 4.5 V to 25 V • Output voltage range: 0.6 V to 5.5 V • Wide output load range: 0 A to > 20 A • Built-in 0.6-V (±0.8%) reference • Built-in LDO linear voltage regulator • Auto-skip Eco-Mode™ for light-load efficiency • D-CAP™ mode with 100-ns load-step response • Adaptive ON-time control architecture with 8 selectable frequency settings • 4700ppm/°C RDS(on) current sensing • 0.7-ms, 1.4-ms, 2.8-ms and 5.
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