Torex provides a recommended PCB layout in their application note AN-104, which includes guidelines for component placement, thermal vias, and routing to minimize noise and ensure stable operation.
The XC6803A3E14R-G has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB. Ensure good thermal conductivity by using thermal vias, thermal tape, or a heat sink, and follow the recommended thermal design guidelines in the datasheet.
Although the datasheet doesn't specify a maximum voltage for the EN pin, it's recommended to keep it within the VCC voltage range (1.7V to 5.5V) to ensure proper operation and prevent damage to the device.
The XC6803A3E14R-G is rated for operation up to 105°C, but its performance and reliability may degrade at higher temperatures. If your application requires operation above 105°C, consider using a different device or implementing additional cooling measures.
Start by checking the input voltage, output voltage, and current consumption. Verify that the device is properly configured and that the PCB layout meets the recommended guidelines. Use an oscilloscope to monitor the voltage and current waveforms, and consult the datasheet and application notes for troubleshooting guidance.
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