A 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pad connected to the ground plane and ensure good thermal conductivity to the surrounding components.
Use a high-quality output capacitor with low ESR, ensure the input voltage is within the recommended range, and add a 10nF capacitor between the FB pin and GND to improve noise immunity.
The maximum input voltage is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
The RT9059GSP is rated for operation up to 85°C, but derating is required for temperatures above 70°C. Ensure good airflow and thermal management to prevent overheating.
The output current capability depends on the input voltage, output voltage, and thermal conditions. Use the datasheet's equations and graphs to calculate the maximum output current for your specific application.
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