A 4-layer PCB with a solid ground plane and thermal vias connecting the thermal pad to the ground plane is recommended for optimal thermal performance.
Ensure proper heat sinking, use a thermal interface material, and follow the recommended PCB layout guidelines to ensure reliable operation in high-temperature environments.
The maximum allowed input voltage ripple is 10% of the nominal input voltage, but it's recommended to keep it below 5% to ensure reliable operation.
Yes, the ISL8273MAIRZ can be used in a redundant power supply configuration, but ensure that the output voltage is synchronized and the current sharing is properly implemented.
Check the input voltage, output load, and PCB layout for any issues. Ensure that the output capacitor is properly selected and the feedback loop is stable. Use an oscilloscope to measure the output voltage and current to identify the root cause of the issue.
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ISL8273MAIRZ Overview
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