This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
1.0A Constant Current Buck Regulator for High Power LED Drivers


Models (3)

Title Category Type Date
LM3404 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 28 Jan 2014
LM3404 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 28 Jan 2014
LM3404 PSpice Transient Model PSpice Model ZIP 10 Oct 2013

Design kits & evaluation modules (3)

Name Part# Type
LM3402 LM3404 High Power PSOP-8 Evaluation board LM3404MREVAL Evaluation Modules & Boards
LM3404FSTDIMEV - Fast Dimming and True Constant LED Current Evaluation Board LM3404FSTDIMEV Evaluation Modules & Boards
LM3404MA (SOIC) - 1A Constant Current Buck Regulator for HB LEDs (LM3404EVAL Board) LM3404EVAL Evaluation Modules & Boards

Reference designs

Description Part Number Company Tool Type
LM3404 Driving a Seoul Semi Zpower P4 1A LED LM3403-REF Texas Instruments Reference designs

Software (1)

LM3404 Driving a Seoul Semi Zpower P4 1A LED CAD File  (ZIP 212 KB )    27 Jan 2012  

CAD/CAE symbols

Part# Package | Pins CAD File (.bxl) STEP Model (.stp)
LM3404 Download Download
Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Please follow the instructions below to view the CAD symbols:

Step 1: Download and install the Ultra Librarian software

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.

Step 3: Open the .bxl file with the Ultra Librarian software.

You can always access the complete CAD/CAE Symbols database at //webench.ti.com/cad/

Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a free download.

The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.