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LM20144 - Adjustable Frequency Synchronous Buck Regulator

Description

The LM20144 is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 4A of continuous output current.

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

Features

  • 1.
  • 2 Available in AEC-Q100 Temperature Grade 1.
  • Input Voltage Range 2.95V to 5.5V.
  • Accurate Current Limit Minimizes Inductor Size.
  • 97% Peak Efficiency.
  • Adjustable Switching Frequency (500 kHz - 1.5 MHz).
  • 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 Capaci.

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Datasheet preview – LM20144

Datasheet Details

Part number LM20144
Manufacturer Texas Instruments
File Size 1.03 MB
Description Adjustable Frequency Synchronous Buck Regulator
Datasheet download datasheet LM20144 Datasheet
Additional preview pages of the LM20144 datasheet.

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Full PDF Text Transcription

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LM20144 www.ti.com SNVS529G – OCTOBER 2007 – REVISED MARCH 2013 LM20144/LM20144Q 4A, PowerWise® Adjustable Frequency Synchronous Buck Regulator Check for Samples: LM20144 FEATURES 1 •2 Available in AEC-Q100 Temperature Grade 1 • Input Voltage Range 2.95V to 5.5V • Accurate Current Limit Minimizes Inductor Size • 97% Peak Efficiency • Adjustable Switching Frequency (500 kHz - 1.5 MHz) • 32 mΩ Integrated FET Switches • Starts up into Pre-Biased Loads • Output Voltage Tracking • Peak Current Mode Control • Adjustable Output Voltage Down to 0.
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