A good PCB layout for the NB6381DL-LF-Z should minimize the area of the power loops, keep the input and output capacitors close to the IC, and use a solid ground plane to reduce noise and EMI.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor has a low ESR and is properly decoupled from the output voltage.
The maximum input voltage for the NB6381DL-LF-Z is 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and prevent damage to the IC.
The NB6381DL-LF-Z is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. Ensure proper thermal design and heat sinking to prevent overheating.
The output voltage ripple and noise can be calculated using the equations provided in the datasheet. Additionally, consider using a filter capacitor and a noise-reducing capacitor to minimize output voltage ripple and noise.