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LM20143 - Adjustable Frequency Synchronous Buck Regulator

Description

The LM20143 devices are full featured PowerWise™ adjustable frequency synchronous buck regulators capable of delivering up to 3 A of continuous output current.

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

Features

  • 1 Available in AEC-Q100 Temperature Grade 1.
  • Input Voltage Range: 2.95 V to 5.50 V.
  • Accurate Current Limit Minimizes Inductor Size.
  • 97% Peak Efficiency.
  • Adjustable Output Voltage Down to 0.80 V.
  • Adjustable Switching Frequency (500 kHz to 1.5 MHz).
  • 32-mΩ Integrated FET Switches.
  • Starts into Prebiased Loads.
  • Output Voltage Tracking.
  • Peak Current Mode Control.
  • Adjustable Soft-Start with External Capac.

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Datasheet preview – LM20143

Datasheet Details

Part number LM20143
Manufacturer Texas Instruments
File Size 1.24 MB
Description Adjustable Frequency Synchronous Buck Regulator
Datasheet download datasheet LM20143 Datasheet
Additional preview pages of the LM20143 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM20143, LM20143-Q1 SNVS528H – OCTOBER 2007 – REVISED JANUARY 2016 LM20143/LM20143-Q1 3-A PowerWise™ Adjustable Frequency Synchronous Buck Regulator 1 Features •1 Available in AEC-Q100 Temperature Grade 1 • Input Voltage Range: 2.95 V to 5.50 V • Accurate Current Limit Minimizes Inductor Size • 97% Peak Efficiency • Adjustable Output Voltage Down to 0.80 V • Adjustable Switching Frequency (500 kHz to 1.
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