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TPS53219 Datasheet Single Synchronous Step-Down Controller

Manufacturer: Texas Instruments

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General Description

The TPS53219 is 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 point-of-load (POL) power supplies in digital consumer products.

The small package and minimal pin-count save space on the PCB, while the dedicated EN pin and pre-set frequency selections simplify the power supply design.

Overview

Not Recommended for New Designs TPS53219 www.ti.com SLUSAA8 – NOVEMBER 2010 Wide Input Voltage, Eco-mode™, Single Synchronous Step-Down Controller Check for Samples:.

Key Features

  • 1.
  • 2 Wide Input Voltage Range: 4.5 V to 28 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 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-.

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