A good PCB layout for the UCC28084DR involves keeping the high-frequency switching nodes (e.g., SW node) away from sensitive analog nodes, using a solid ground plane, and minimizing loop areas. TI provides a recommended layout in the datasheet and application notes.
Choose external components based on the specific requirements of your design, such as output voltage, current, and frequency. TI provides guidelines and examples in the datasheet and application notes. You can also use online tools, such as TI's Power Stage Designer, to help with component selection.
The UCC28084DR has a maximum junction temperature of 150°C. Ensure reliable operation by providing adequate heat sinking, using a thermal pad, and following TI's thermal design guidelines. Monitor the device's temperature and adjust the design as needed to prevent overheating.
The UCC28084DR has built-in OCP and SCP features. Implement these features by connecting the OCP pin to a resistor divider network and setting the threshold voltage according to the datasheet. You can also use external components, such as a current sense resistor, to enhance protection.
To ensure EMI compliance, use a combination of filtering components, such as common-mode chokes, X-capacitors, and Y-capacitors, and follow TI's EMI design guidelines. Additionally, consider using shielding, grounding, and layout techniques to minimize EMI radiation.
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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.
