This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.
High-bandwidth, low-IQ programmable shunt regulator (pinout: KRA)


Models (4)

Title Category Type Date
TL431LI and ATL431LI PSpice Average Model PSpice Model ZIP 16 Nov 2018
TL431LI and ATL431LI Unencrypted PSpice Average Model PSpice Model ZIP 16 Nov 2018
ATL431LI PSpice Transient Model PSpice Model ZIP 09 Oct 2018
ATL431LI Unencrypted PSpice Transient Model PSpice Model ZIP 09 Oct 2018

Design kits & evaluation modules (1)

Reference designs

70-W flyback and 37-W boost power reference design

This reference design uses two LM5155 devices to make a flyback and boost power stage. The flyback creates an isolated 28 Vdc bus from a 24 +/-10% Vdc bus and the boost creates a 37 Vdc bus from the output of the flyback. The flyback can be loaded up to 70 W and the boost can be loaded up to 37-W (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

CAD/CAE symbols

Part# Package | Pins CAD File (.bxl) STEP Model (.stp)
ATL431LI 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.

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

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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.

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