ROHM recommends a thermal pad size of at least 2.5mm x 2.5mm, with multiple vias to the ground plane to ensure efficient heat dissipation. A solid ground plane and minimal thermal resistance between the IC and the PCB are also crucial.
To ensure stable operation, ROHM recommends a soft-start circuit to limit the inrush current during power-up. Additionally, a capacitor with a low ESR (Equivalent Series Resistance) should be used to filter the output voltage. During power-down, a slow shutdown sequence is recommended to prevent voltage spikes.
ROHM recommends keeping the input voltage deviation within ±10% of the nominal input voltage to ensure stable operation and prevent damage to the IC. Exceeding this limit may cause the IC to malfunction or fail.
While the RQ5E020SPTL is rated for operation up to 105°C, ROHM recommends derating the output current and power dissipation to ensure reliable operation in high-temperature environments. Consult the datasheet and ROHM's application notes for specific guidance.
ROHM recommends checking the PCB layout, component selection, and soldering quality to ensure that the IC is properly mounted and connected. Measure the input and output voltages, as well as the current consumption, to identify any anomalies. Consult ROHM's application notes and technical support resources for further guidance.
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RQ5E020SPTL Overview
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