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TPS51211 - Single Synchronous Step-Down Controller

General Description

The TPS51211 is a small-sized single buck controller with adaptive on-time D-CAP™ mode.

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

Key Features

  • 1.
  • 2 Wide Input Voltage Range: 3 V to 28 V.
  • Output Voltage Range: 0.7 V to 2.6 V.
  • Wide Output Load Range: 0 to 20A+.
  • Built-in 0.5% 0.7 V Reference.
  • 290-kHz, Adaptive On-Time D-CAP™ MODE Control.
  • 4700 ppm/°C RDS(on) Current Sensing.
  • Internal 1-ms Voltage Servo Soft-start.
  • Pre-Charged Start-up Capability.
  • Built in Output Discharge.
  • Power Good Output.
  • Integrated Boost Switch.
  • Built-in OVP/UVP/.

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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.

View original datasheet text
TPS51211 www.ti.com SLUSAA7B – NOVEMBER 2010 – REVISED MAY 2013 High-Performance, Single Synchronous Step-Down Controller For Notebook Power Supply FEATURES 1 •2 Wide Input Voltage Range: 3 V to 28 V • Output Voltage Range: 0.7 V to 2.6 V • Wide Output Load Range: 0 to 20A+ • Built-in 0.5% 0.7 V Reference • 290-kHz, Adaptive On-Time D-CAP™ MODE Control • 4700 ppm/°C RDS(on) Current Sensing • Internal 1-ms Voltage Servo Soft-start • Pre-Charged Start-up Capability • Built in Output Discharge • Power Good Output • Integrated Boost Switch • Built-in OVP/UVP/OCP • Thermal Shutdown (Non-latch) • SON-10 (DSC) Package APPLICATIONS • Notebook Computers • I/O Supplies • System Power Supplies DESCRIPTION The TPS51211 is a small-sized single buck controller with adaptive on-time D-CAP™ mode.