A good PCB layout for the UCC2818ADR 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 UCC2818ADR can deliver up to 1A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. It's essential to check the datasheet and perform thermal calculations to ensure the device can deliver the required current in the specific application.
The UCC2818ADR has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OC pin and GND. The value of the resistor determines the overcurrent threshold. TI provides a calculation formula in the datasheet to determine the correct resistor value.
The UCC2818ADR is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's essential to check the datasheet for thermal derating information and to perform thermal calculations to ensure the device can operate reliably in the specific application.
UCC2818ADR datasheet
by Texas Instruments
