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LM5149-Q1 - DC/DC Controller

Description

The LM5149-Q1 is a 80-V, ultra-low IQ synchronous buck DC/DC controller for high-current, single-output applications.

The controller uses a peak current-mode control architecture for easy loop compensation, fast transient response, and excellent load and line regulation.

Features

  • AEC-Q100 qualified for automotive.

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Datasheet preview – LM5149-Q1

Datasheet Details

Part number LM5149-Q1
Manufacturer Texas Instruments
File Size 6.07 MB
Description DC/DC Controller
Datasheet download datasheet LM5149-Q1 Datasheet
Additional preview pages of the LM5149-Q1 datasheet.

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Full PDF Text Transcription

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LM5149-Q1 SNVSBN7C – DECEMBER 2020 – REVISED FEBRUARY 2023 LM5149-Q1 80-V Automotive, Synchronous, Buck, DC/DC Controller with Ultra-Low IQ and Integrated Active EMI Filter 1 Features • AEC-Q100 qualified for automotive applications: – Device temperature grade 1: –40°C to +125°C ambient operating temperature • 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 • Versatile synchronous buck DC/DC contro
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