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LM20343 - Adjustable Frequency Synchronous Buck Regulator

Datasheet Summary

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.

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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Datasheet preview – LM20343

Datasheet Details

Part number LM20343
Manufacturer Texas Instruments
File Size 1.46 MB
Description Adjustable Frequency Synchronous Buck Regulator
Datasheet download datasheet LM20343 Datasheet
Additional preview pages of the LM20343 datasheet.

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Full PDF Text Transcription

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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.
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