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LM25149RGYR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM25149RGYR product

LM25149RGYR

DC DC Switching Controllers

Buck ControllerEMI FilterSynchronous

The LM25149 is a high-performance 42V synchronous buck controller featuring integrated active EMI filtering and dual random spread spectrum (DRSS) to simplify EMC compliance.

Best for

  • Industrial power supplies
  • Automotive systems
  • High-density DC/DC conversion

Avoid if

  • Applications requiring extremely low cost without EMI constraints

Check before use

  • Thermal design for high-current operation
  • Layout guidelines for EMI

Key specifications

Input Voltage
3.5V - 42V
Output Voltage
0.8V - 36V
Switching Frequency
100kHz - 2.2MHz

Compliance & Environment

RoHS
Not applicable
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
-
HTSUS
-

Application

IndustrialAutomotivePower

Datasheet

sszt179

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM25149RGYR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The LM25149 is a 42V synchronous buck DC/DC controller with ultra-low quiescent current and integrated active EMI filtering, suitable for high-current applications.