A good PCB layout for the UCC2813D-3 involves keeping the input and output stages separate, using a star-ground configuration, and placing the input filter components close to the IC. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
The choice of input filter components depends on the specific application requirements. A good starting point is to use the recommended values in the datasheet, and then adjust based on the specific noise environment and desired attenuation. TI also provides a filter design tool to help with component selection.
The UCC2813D-3 is capable of delivering up to 1A of output current, but this can be limited by the thermal design and the input voltage. It's essential to ensure that the device is properly heatsinked and that the input voltage is sufficient to support the required output current.
To ensure stability, it's essential to follow the recommended layout and component selection guidelines in the datasheet. Additionally, using a compensation network and selecting the right output capacitor can help prevent oscillation. TI also provides a stability analysis tool to help with design verification.
The recommended input voltage range for the UCC2813D-3 is 8V to 18V, but it can operate down to 6V with reduced performance. It's essential to ensure that the input voltage is within the recommended range to ensure proper operation and prevent damage to the device.
UCC2813D-3 datasheet
by Texas Instruments
