ROHM recommends a thermal pad size of 2.5mm x 2.5mm with a minimum of 10 thermal vias (0.3mm diameter) to ensure optimal heat dissipation. Additionally, a solid copper plane on the bottom layer can help to further reduce thermal resistance.
To ensure stable operation, ROHM recommends using a low-ESR capacitor (e.g., 10uF, 100nF) in parallel with the output capacitor to filter out high-frequency noise. Additionally, a ferrite bead or a common-mode choke can be used to suppress electromagnetic interference (EMI).
Although the datasheet specifies a maximum input voltage of 5.5V, ROHM recommends limiting the input voltage to 5V to ensure reliable operation and prevent damage to the device.
The POR and BOD features are enabled by default. To disable them, connect the POR/BOD pin to VCC through a 1kΩ resistor. For custom POR/BOD settings, consult ROHM's application notes and design guidelines.
Although the datasheet specifies an operating temperature range of -40°C to 105°C, ROHM recommends operating the device within a range of -20°C to 85°C for optimal performance and reliability.
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