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.

Datasheet Details

Part number	LM5149
Manufacturer	Texas Instruments
File Size	5.98 MB
Description	DC/DC Controller
Datasheet	LM5149-etcTI.pdf

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.

LM5149 Distributor & Price

Compare LM5149 distributor prices and check real-time stock availability from major suppliers. Prices and inventory may vary by region and order quantity.

More Datasheets from Texas Instruments

Part Number	Description
LM5149-Q1	DC/DC Controller
LM5140-Q1	Wide Input Range Dual Synchronous Buck Controller
LM5141-Q1	Wide Input Range Synchronous Buck Controller
LM5143	3.5-V to 65-V Dual Synchronous Buck DC/DC Controller
LM5143-Q1	Automotive 3.5-V to 65-V Dual Synchronous Buck Controller
LM5143A-Q1	Automotive 3.5-V to 65-V Dual Synchronous Buck Controller
LM5145	Synchronous Buck DC-DC Controller
LM5146	100-V Synchronous Buck DC/DC Controller
LM5148-Q1	Buck DC/DC Controller
LM5100	High Voltage High Side and Low Side Gate Driver