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 minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
To ensure stable operation with a high-ESR output capacitor, ROHM recommends using a capacitor with an ESR of 10Ω or less, and adding a 1nF to 10nF ceramic capacitor in parallel to the output capacitor to improve stability.
The maximum allowed voltage on the EN pin is 6V, exceeding which may cause damage to the device. It's recommended to use a voltage limiter or a resistor divider to ensure the EN pin voltage remains within the specified range.
While the R6009JNJGTL is rated for operation up to 105°C, ROHM recommends derating the output current and voltage to ensure reliable operation in high-temperature environments. Consult the datasheet and ROHM's application notes for specific guidance.
To minimize EMI, ROHM recommends using a shielded inductor, keeping the PCB layout compact, and using a common-mode choke or ferrite bead on the input and output lines. Additionally, ensure that the device is placed away from sensitive analog circuits.
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