Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for switching regulator layouts, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths.
The datasheet provides a list of recommended inductors, but you can also use the following guidelines: choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (typically between 1-10uH). You can also use online inductor selection tools or consult with a TI FAE for guidance.
The maximum ambient temperature rating for the LM3444MMX/NOPB is 85°C, but it's recommended to derate the device's performance at higher temperatures to ensure reliability and prevent thermal shutdown.
The LM3444MMX/NOPB is a commercial-grade device, but TI offers other variants with enhanced reliability and automotive-grade qualifications, such as the LM3444MMX-Q1 or LM3444MMX-AQ1. Consult with a TI FAE to determine the best device for your specific application.
TI provides a troubleshooting guide in the datasheet, but you can also use online resources, such as the TI E2E forum or application notes, to diagnose and resolve common issues. Additionally, consult with a TI FAE or a experienced power supply design engineer for guidance.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
LM3444MMX/NOPB Overview
Use the download button to access the LM3444MMX/NOPB schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM344,
or try a keyword search, such as Display Drivers
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
