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LM20145 - Adjustable Frequency Synchronous Buck Regulator

Description

The LM20145 is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 5A 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 (250 kHz to 750 kHz).
  • 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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Datasheet preview – LM20145

Datasheet Details

Part number LM20145
Manufacturer Texas Instruments
File Size 0.97 MB
Description Adjustable Frequency Synchronous Buck Regulator
Datasheet download datasheet LM20145 Datasheet
Additional preview pages of the LM20145 datasheet.

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Full PDF Text Transcription

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LM20145 www.ti.com SNVS530E – OCTOBER 2007 – REVISED MARCH 2013 LM20145/LM20145Q 5A, PowerWise® Adjustable Frequency Synchronous Buck Regulator Check for Samples: LM20145 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 (250 kHz to 750 kHz) • 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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