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LM20343 - Adjustable Frequency Synchronous Buck Regulator

General Description

The LM20343 is a full featured synchronous buck regulator capable of delivering up to 3A of load current.

The current mode control loop is externally compensated with only two components, offering both high performance and ease of use.

Key Features

  • 1.
  • 2 4.5V to 36V Input Voltage Range.
  • 3A Output Current, 5.2A Peak Current.
  • 130 mΩ/110 mΩ Integrated Power MOSFETs.
  • 94% Peak Efficiency with Synchronous Rectification.
  • 1.5% Feedback Voltage Accuracy.
  • Current Mode Control, Selectable Compensation.
  • Resistor Programmed, 1MHz Capable Oscillator.
  • Adjustable Output Voltage Down to 0.8V.
  • Compatible with Pre-biased Loads.
  • Programmable Soft-start with External Capaci.

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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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LM20343 www.ti.com SNVS559B – MAY 2008 – REVISED APRIL 2013 LM20343 36V, 3A Adjustable Frequency Synchronous Buck Regulator Check for Samples: LM20343 FEATURES 1 •2 4.5V to 36V Input Voltage Range • 3A Output Current, 5.2A Peak Current • 130 mΩ/110 mΩ Integrated Power MOSFETs • 94% Peak Efficiency with Synchronous Rectification • 1.5% Feedback Voltage Accuracy • Current Mode Control, Selectable Compensation • Resistor Programmed, 1MHz Capable Oscillator • Adjustable Output Voltage Down to 0.