Torex provides a recommended PCB layout in their application note AN-104, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
Torex recommends using a thermal pad or thermal via under the IC to improve heat dissipation. Additionally, ensure that the PCB has adequate thermal conductivity and that the surrounding components do not obstruct airflow.
Although the datasheet specifies a maximum input voltage of 36V, it's recommended to derate the input voltage to 30V or less to ensure reliable operation and prevent damage to the IC.
While the XC9265A331MR-G is rated for operation up to 105°C, it's essential to consider the derating curves provided in the datasheet to ensure the IC can handle the expected temperature range. Additionally, ensure that the PCB and surrounding components are also rated for high-temperature operation.
Torex provides a troubleshooting guide in their application note AN-105, which covers common issues and their possible causes. Additionally, ensure that the input voltage, output load, and PCB layout are within the recommended specifications.
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