A good PCB layout for the SF163 should ensure that the input and output tracks are separated, and the device is placed close to the power source to minimize inductance. Additionally, a solid ground plane and a low-ESR capacitor (e.g., X5R or X7R) should be used to filter the input voltage.
To ensure stability, the SF163 requires a minimum output capacitance of 10uF, and the output voltage should be decoupled with a capacitor (e.g., 1uF) to prevent oscillation. Additionally, the input voltage should be well-regulated, and the device should be operated within its recommended operating conditions.
The maximum ambient temperature for the SF163 is 85°C, but it can be derated to 70°C for high-reliability applications. It's essential to ensure proper thermal management and heat dissipation to prevent overheating.
The SF163 is rated for a maximum input voltage of 18V, and it's not recommended for high-voltage applications. If you need a high-voltage regulator, consider using a different device or consulting with a Diodes Incorporated representative for guidance.
The power dissipation of the SF163 can be calculated using the formula: Pd = (Vin - Vout) x Iout. Ensure that the device is operated within its recommended power dissipation rating to prevent overheating and ensure reliability.
SF163 datasheet
by Diodes Incorporated
