Introducing the FAN9672Q - A PFC Controller from ON Semiconductor

The FAN9672Q is a sophisticated Power Factor Correction (PFC) controller specifically designed by ON Semiconductor to meet the rigorous demands of modern high-performance power supply systems. This advanced IC is engineered to facilitate the development of energy-efficient power solutions, making it an ideal choice for applications in industrial, consumer, and computing electronics that require compliance with international power regulations.

Key Features

• Continuous Conduction Mode (CCM): The FAN9672Q operates in Continuous Conduction Mode, delivering highly efficient PFC for applications with power levels typically above 75W. This mode ensures reduced switching losses and improved thermal management, enhancing the overall reliability and lifespan of the power supply.
• Total Harmonic Distortion (THD) Optimization: It incorporates advanced techniques for minimizing input current distortion, resulting in improved Total Harmonic Distortion performance. This leads to a cleaner and more stable power supply, which is crucial for sensitive electronic equipment.
• Brownout Protection: The device is equipped with brownout protection, safeguarding against drops in input voltage that could potentially damage the power supply and connected devices.
• Overvoltage Protection (OVP): The FAN9672Q also features an Overvoltage Protection circuit, which promptly shuts down the PFC operation when excessive output voltage is detected, thereby preventing damage to the system.
• Multi-Mode Operation: It is capable of multi-mode operation, which allows for optimal efficiency across a wide range of load conditions. This adaptability ensures that power consumption is minimized without sacrificing performance.

Applications

The FAN9672Q is versatile and can be utilized in a variety of applications, including:

• High-efficiency power supplies
• Power adapters for notebooks and desktops
• Flat-panel television power supplies
• Power supplies for servers and networking equipment

Design Support

ON Semiconductor provides extensive design support for the FAN9672Q, including application notes, reference designs, and simulation tools to assist engineers in creating efficient and robust power supply units. This support ensures a smooth design process, from initial concept through to final product implementation.

In conclusion, the FAN9672Q PFC controller from ON Semiconductor stands out as a high-performance solution for advanced power supply designs. Its focus on efficiency, reliability, and versatility makes it a top contender for engineers looking to enhance the power factor correction capabilities of their electronic products.