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LM20123 - Synchronous Buck Regulator

General Description

The LM20123 is a full featured 1.5 MHz synchronous buck regulator capable of delivering up to 3A 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 LM20123Q 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.
  • 96% Efficiency with 1.5 MHz 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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LM20123 www.ti.com SNVS524E – OCTOBER 2007 – REVISED MARCH 2013 LM20123/LM20123Q 3A, 1.5MHz PowerWise® Synchronous Buck Regulator Check for Samples: LM20123 FEATURES 1 •2 LM20123Q 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 • 96% Efficiency with 1.5 MHz 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.