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LM5149

Part Number	LM5149
Manufacturer	Texas Instruments
Description	DC/DC Controller
Published	Jul 25, 2023
Detailed Description	LM5149 SNVSBV4A – DECEMBER 2020 – REVISED JANUARY 2023 LM5149 80-V, Synchronous, Buck, DC/DC Controller with Ultra-Low I...
Datasheet	LM5149 PDF File

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 1 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 cost – Optimized for CISPR 32 Class B requirements • Versatile synchronous buck DC/DC cont...

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