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LM5149 Datasheet DC/dc Controller

Manufacturer: Texas Instruments

Overview: LM5149 SNVSBV4A – DECEMBER 2020 – REVISED JANUARY 2023 LM5149 80-V, Synchronous, Buck, DC/DC Controller with Ultra-Low IQ and Integrated Active EMI Filter.

Key Features

  • Functional Safety-Capable.
  • Documentation available to aid functional safety system design.
  • Two integrated EMI mitigation mechanisms.
  • Active EMI Filter for enhanced EMI performance at lower frequencies.
  • Selectable dual random spread spectrum (DRSS) for enhanced EMI performance across low and high-frequency bands.
  • EMI reduced by an average of 25 dBµV.
  • Reduces the external differential-mode input filter size by 50% and lowers systems c.

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LM5149 Distributor