ROHM recommends a PCB layout with a thermal pad connected to a large copper area on the bottom layer, and multiple vias to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
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 input voltage 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 device.
While the RQ7G080BGTCR is rated for operation up to 125°C, ROHM recommends derating the output current and power dissipation to ensure reliable operation in high-temperature environments.
ROHM recommends checking the PCB layout for parasitic inductance and capacitance, ensuring proper decoupling, and verifying the input and output filter designs to prevent oscillation and instability.
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RQ7G080BGTCR Overview
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