Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the high-frequency signals away from the low-frequency signals. Also, use a ferrite bead or a choke in series with the input power line to reduce EMI.
The UC2715DP has a thermal pad that must be connected to a thermal plane on the PCB. Ensure good thermal conductivity by using a thermal interface material and a heat sink if necessary. Also, keep the device away from other heat sources.
The maximum allowed voltage on the input pins of the UC2715DP is 6V, exceeding which can cause damage to the device. Ensure that the input voltage is within the recommended range to prevent damage.
Check the input voltage, output voltage, and current sense resistors for correct values and connections. Verify that the feedback loop is properly connected and that the compensation components are correct. Use an oscilloscope to check for oscillations and ringing.
The UC2715DP is a commercial-grade device, but it can be used in high-reliability or automotive applications with proper design, testing, and validation. Ensure that the device is operated within its recommended specifications and that the PCB design meets the required standards.