Texas Instruments provides a recommended PCB layout in the application note SLUA623, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
The transformer selection depends on the input voltage, output voltage, and power rating of the design. Texas Instruments provides a transformer selection guide in the application note SLUA624, which includes a step-by-step process for selecting the right transformer and calculating the required turns ratio.
The TMDS341APFC has an operating temperature range of -40°C to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper thermal management and heat sinking to prevent overheating and ensure reliable operation.
The TMDS341APFC has built-in OVP and UVP circuits, but external components are required to set the threshold voltages. The application note SLUA625 provides a detailed guide on how to implement OVP and UVP using external resistors and zener diodes.
The input capacitor selection depends on the input voltage, ripple current, and ESR requirements. Texas Instruments recommends using a low-ESR ceramic or film capacitor with a minimum capacitance of 10uF and a voltage rating of at least 1.5 times the maximum input voltage.