Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's recommended to use a common mode choke and a shielded inductor to reduce EMI.
To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, it's recommended to add a small capacitor (e.g. 10nF) between the VCC pin and ground to filter out high-frequency noise.
The maximum output current capability of the UCC3583D is not explicitly stated in the datasheet, but it's typically limited by the internal switch resistance and the package thermal resistance. As a general rule, it's recommended to limit the output current to 1A or less to ensure reliable operation.
The UCC3583D is rated for operation up to 125°C, but it's recommended to derate the output current and voltage as the temperature increases to ensure reliable operation. Additionally, it's recommended to use a heat sink or thermal pad to dissipate heat and reduce the junction temperature.
To troubleshoot issues with the UCC3583D, it's recommended to use an oscilloscope to measure the output voltage and current waveforms. Check for signs of oscillation, such as ringing or high-frequency noise, and verify that the input voltage and current are within the recommended specifications. Additionally, check the PCB layout and component values to ensure they meet the recommended guidelines.
UCC3583D datasheet
by Texas Instruments
