A good PCB layout for the MAX8660ETL+ involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces connecting the IC to the capacitors and resistors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, the feedback resistors should be chosen to ensure that the loop gain is less than 1 at the frequency of oscillation.
The MAX8660ETL+ can handle input voltages up to 32V, but it's recommended to keep the input voltage below 24V to ensure reliable operation and to prevent damage to the IC.
The MAX8660ETL+ is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. It's recommended to use a heat sink or a thermal pad to ensure reliable operation in high-temperature environments.
To troubleshoot issues with the MAX8660ETL+, start by checking the input voltage, output voltage, and current. Use an oscilloscope to check for oscillations or noise on the output. Also, check the PCB layout and component values to ensure they match the recommended values. If the issue persists, consult the datasheet and application notes for further guidance.
MAX8660ETL+ datasheet
by Maxim Integrated Products
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