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LM27402 - High-Performance Synchronous Buck Controller

General Description

The LM27402 is a voltage-mode, synchronous, DC/DC step-down controller with lossless inductor DCR current sensing capability.

Key Features

  • 1 Wide Input-Voltage Range of 3 V to 20 V.
  • Inductor DCR or Shunt Resistor Based Overcurrent Protection.
  • 0.6-V Reference With ±1% FB Accuracy Across Full.
  • 40°C to 125°C Junction Temperature Range.
  • Switching Frequency from 200 kHz to 1.2 MHz.
  • Output Voltage as High as 95% of Input Voltage.
  • Integrated High-Current MOSFET Drivers.
  • Internal VDD Bias Supply LDO Subregulator.
  • External Clock Synchronization.
  • Adjusta.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM27402 SNVS615K – JANUARY 2010 – REVISED FEBRUARY 2018 LM27402 High-Performance Synchronous Buck Controller With DCR Current Sensing 1 Features •1 Wide Input-Voltage Range of 3 V to 20 V • Inductor DCR or Shunt Resistor Based Overcurrent Protection • 0.6-V Reference With ±1% FB Accuracy Across Full –40°C to 125°C Junction Temperature Range • Switching Frequency from 200 kHz to 1.