A good PCB layout for the LM5064PMHE/NOPB involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
The choice of input and output capacitors for the LM5064PMHE/NOPB depends on the specific application requirements. In general, X5R or X7R ceramic capacitors with a voltage rating of at least 2x the input voltage are recommended. The capacitance value should be chosen based on the desired output voltage ripple and transient response.
The LM5064PMHE/NOPB has an operating ambient temperature range of -40°C to 125°C. However, the maximum junction temperature is 150°C, and the device should be derated above 85°C to ensure reliable operation.
Yes, the LM5064PMHE/NOPB is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is manufactured using a qualified process. However, additional testing and validation may be required for specific applications.
To troubleshoot issues with the LM5064PMHE/NOPB, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly sized and connected. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to check for any oscillations or noise on the output voltage. Consult the datasheet and application notes for more detailed troubleshooting guidance.
LM5064PMHE/NOPB datasheet
by Texas Instruments
