A good PCB layout practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the input and output traces short and away from each other. Additionally, use a common-mode choke or ferrite bead to filter the input power lines.
Make sure to follow the power-up sequence specified in the datasheet, and ensure that the EN pin is properly driven high to enable the device. Also, configure the device according to the application requirements, such as setting the output voltage and current limits.
The MAX1473EUI+T has a thermal shutdown feature that protects the device from overheating. Ensure good airflow around the device, and consider using a heat sink if the device is expected to operate at high temperatures or high currents.
Use an oscilloscope to monitor the input and output voltages, and check for any signs of oscillation or instability. Also, verify that the device is properly configured and powered up, and check for any signs of overheating or thermal shutdown.
The MAX1473EUI+T is a commercial-grade device, but it can be used in high-reliability or safety-critical applications with proper design and validation. Ensure that the device is used within its specified operating conditions, and consider using redundant or fault-tolerant designs to mitigate potential failures.
MAX1473EUI+T datasheet
by Maxim Integrated Products
