ROHM recommends a thermal pad design with a minimum size of 2.5mm x 2.5mm, and a thermal via array with a minimum of 5 vias, 0.3mm in diameter, spaced 1.2mm apart, to ensure efficient heat dissipation.
To ensure stable operation, ROHM recommends a soft-start circuit to limit inrush current during power-up, and a power-down sequence that slowly ramps down the output voltage to prevent voltage overshoot.
ROHM recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF, and a voltage rating of 25V or higher, to ensure stable input voltage and minimize ripple.
ROHM recommends using an overvoltage protection (OVP) circuit to limit the input voltage to 18V, and an undervoltage lockout (UVLO) circuit to prevent operation below 6V, to ensure device reliability and prevent damage.
ROHM recommends using a low-ESR ceramic capacitor with a value of 10uF to 47uF, and a voltage rating of 10V or higher, to ensure stable output voltage and minimize ripple.
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BD90522EFJ-CE2 Overview
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