LM25576 (ACTIVE)

4.5V to 42V, 3A Step-Down DC/DC Switching Regulator

4.5V to 42V, 3A Step-Down DC/DC Switching Regulator - LM25576

Datasheet

LM25576 42-V, 3-A Step-Down Switching Regulator datasheet (Rev. H)

Datasheet
Errata
Application notes
Blogs
User guides
Selection & solution guides
White papers
Design files
Radiation & Reliability reports
More literature
Third party documents

Datasheet (1)

Title	Type	Size (KB)	Date
LM25576 42-V, 3-A Step-Down Switching Regulator datasheet (Rev. H)	PDF	1058	28 Aug 2017

Application notes (16)

Title	Type	Size (KB)	Date
Semiconductor and IC Package Thermal Metrics (Rev. C)	PDF	201	19 Apr 2016
Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)	PDF	512	12 Sep 2014
AN-1997 Error Amplifier Limitations in High-Performance Regulator Applications (Rev. A)	PDF	153	06 May 2013
AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)	PDF	2474	24 Apr 2013
AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)	PDF	3627	23 Apr 2013
AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)	PDF	82	23 Apr 2013
AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)	PDF	2698	23 Apr 2013
Quick Start Guide for a 3 Amp Buck Regulator Using the LM5576 and LM25576 (Rev. B)	PDF	63	23 Apr 2013
AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)	PDF	1379	23 Apr 2013
AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)	PDF	9237	23 Apr 2013
AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)	PDF	374	23 Apr 2013
AN-1197 Selecting Inductors for Buck Converters (Rev. B)	PDF	558	23 Apr 2013
AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)	PDF	427	23 Apr 2013
Understanding and Applying Current-Mode Control Theory	PDF	409	19 Aug 2007
Input and Output Capacitor Selection	PDF	219	19 Sep 2005
AN-643 EMI/RFI Board Design (Rev. B)	PDF	742	03 May 2004

User guides (2)

Title	Type	Size (KB)	Date
AN-1579 LM25576 Evaluation Board (Rev. C)	PDF	190	24 Apr 2013
LM25576 Reference Design 6-42V input, 5V 3A output User Guide	PDF	825	27 Jan 2012

Selection & solution guides (3)

Title	Type	Size (KB)	Date
Power Management Guide 2018 (Rev. R)	PDF	6269	25 Jun 2018
SIMPLE SWITCHER Overview Brochure (Rev. B)	PDF	1285	18 Mar 2016
Wide VIN DC/DC power solutions: industrial, automotive, and comms applications	PDF	3284	06 Jun 2014

White papers (1)

Title	Type	Size (KB)	Date
Overcoming Challenges in Designing Step-Dwn Reg Apps w/40V Input Voltage (Rev. A)	PDF	785	03 Jul 2018

More literature (2)

Title	Type	Size (KB)	Date
LM25576 Reference Design 6-42V input, 5V 3A output Files	ZIP	1083	25 Jan 2012
SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations	PDF	805	12 Jul 2005

Blogs