A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the component away from heat sources and ensure good airflow.
Use a heat sink with a thermal resistance of 10°C/W or lower, and ensure good airflow. Also, consider derating the output current at high temperatures.
The maximum allowed voltage on the input pin is 6.5V, exceeding which may damage the device.
Use a fuse or a current limiter on the input, and consider adding overtemperature protection (OTP) and overcurrent protection (OCP) circuits.
A 10uF to 22uF X5R or X7R ceramic capacitor is recommended, placed as close to the input pin as possible.
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