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TPS51219 Datasheet Single Synchronous Step-Down Controller

Manufacturer: Texas Instruments

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General Description

The TPS51219 is a small-sized single buck controller with adaptive on-time control.

It provides a choice of control modes (D-CAP™ or D-CAP2™) to meet a wide range of system requirements.

It is designed for tight DC regulation requirements such as the VCCIO application for Intel® notebooks.

Overview

www.ti.com TPS51219 SLUSAG1B – MARCH 2011 – REVISED OCTOBER 2011 High Performance, Single-Synchronous Step-Down Controller with Differential Voltage.

Key Features

  • 1.
  • 23 Differential Voltage Feedback.
  • DC Compensation for Accurate Regulation.
  • Wide Input Voltage Range: 3 V to 28 V.
  • Output Voltage Range: 0.5 V to 2.0 V with Fixed Options of 1.05 V and 1.00 V.
  • Wide Output Load Range: 0 A to 20 A+.
  • Adaptive On-Time Modulation with Selectable Control Architecture and Frequency.
  • D-CAP™ Mode at 300 kHz/400 kHz for Fast Transient Response.
  • D-CAP2™ Mode at 500 kHz/670 kHz for Ceramic Output Capac.

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