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LM20125 - Synchronous Buck Regulator

General Description

The LM20125 is a full featured 500 kHz synchronous buck regulator capable of delivering up to 5A of continuous output current.

The current mode control loop can be compensated to be stable with virtually any type of output capacitor.

Key Features

  • 1.
  • 2 LM20125Q is AEC-Q100 Qualified and Manufactured on an Automotive Grade Flow.
  • Input Voltage Range 2.95V to 5.5V.
  • Accurate Current Limit Minimizes Inductor Size.
  • 97% Efficiency with 500 kHz Switching Frequency.
  • 32 mΩ Integrated FET Switches.
  • Starts up into Pre-Biased Loads.
  • Output Voltage Tracking.
  • Peak Current Mode Control.
  • Adjustable Output Voltage Down to 0.8V.
  • Adjustable Soft-Start with External Capac.

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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.

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LM20125 www.ti.com SNVS525E – OCTOBER 2007 – REVISED MARCH 2013 LM20125/LM20125Q 5A, 500kHz PowerWise® Synchronous Buck Regulator Check for Samples: LM20125 FEATURES 1 •2 LM20125Q is AEC-Q100 Qualified and Manufactured on an Automotive Grade Flow • Input Voltage Range 2.95V to 5.5V • Accurate Current Limit Minimizes Inductor Size • 97% Efficiency with 500 kHz Switching Frequency • 32 mΩ Integrated FET Switches • Starts up into Pre-Biased Loads • Output Voltage Tracking • Peak Current Mode Control • Adjustable Output Voltage Down to 0.