Mitsubishi Electric recommends a 2-layer PCB with a thermal relief pattern on the bottom layer to improve heat dissipation. A minimum of 1 oz copper thickness is recommended for the PCB.
To ensure reliable operation in high-temperature environments, it is recommended to derate the power supply by 1% for every 1°C above 40°C. Additionally, ensure good airflow around the device and consider using a heat sink if necessary.
Mitsubishi Electric recommends using a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric, rated for 50V or higher, as the input capacitor.
To protect the power supply from input voltage surges and spikes, Mitsubishi Electric recommends using a TVS (Transient Voltage Suppressor) diode or a varistor in parallel with the input capacitor.
Mitsubishi Electric recommends using a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric, rated for the output voltage, as the output capacitor.
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PSS25SA2FT Overview
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