ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A 4-layer PCB with a solid ground plane is also recommended to reduce thermal resistance.
To ensure stable operation with a high-impedance input source, add a capacitor (e.g., 10nF to 100nF) between the input pin and GND to reduce noise and oscillation. Additionally, consider adding a series resistor (e.g., 1kΩ to 10kΩ) to limit the input current.
Although the datasheet doesn't specify a maximum voltage for the EN pin, it's recommended to limit the voltage to VCC + 0.3V to prevent damage to the internal ESD protection diodes.
While the BD9060HFP-CTR is rated for operation up to 125°C, it's essential to consider the derating of the maximum output current and power dissipation at higher temperatures. Consult ROHM's application notes and thermal design guidelines for more information.
To minimize EMI, use a shielded inductor, keep the switching node (SW pin) as short as possible, and add a capacitor (e.g., 10nF to 100nF) between the SW pin and GND. Additionally, consider using a common-mode choke or EMI filter in the output stage.
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BD9060HFP-CTR Overview
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