ON Semiconductor FAN4803CS2 Power Factor Controller

The ON Semiconductor FAN4803CS2 is a versatile and efficient power factor correction (PFC) controller designed for use in a wide range of applications requiring improved power factor and reduced Total Harmonic Distortion (THD). This integrated circuit is tailored to enhance the performance of power supplies, lighting systems, and other electronic devices by minimizing power loss and ensuring compliance with international power quality standards.

Key Features

• Highly Integrated Solution: The FAN4803CS2 combines a Continuous Conduction Mode (CCM) PFC controller with a quasi-resonant PWM controller, streamlining design and reducing component count.
• Improved Power Factor: By shaping the input current waveform to align with the AC mains voltage, this controller achieves near-unity power factor, leading to more efficient energy usage.
• Low THD: The device reduces total harmonic distortion, which enhances the quality of power delivered to the load and mitigates issues caused by harmonic interference in electrical systems.
• Versatile Operating Range: The FAN4803CS2 operates over a wide range of input voltages, accommodating various global standards and making it suitable for a multitude of international applications.
• Built-in Protections: Featuring over-voltage, under-voltage, and over-current protection, the device ensures robust performance and longevity by safeguarding against common electrical faults.

Applications

The FAN4803CS2 is ideal for use in high-performance electronic systems where efficiency and power quality are critical. Common applications include:

• AC-DC Adapters
• Power Supplies for Desktops and Servers
• Flat Panel Display TVs and Monitors
• Lighting Systems
• Industrial Power Systems

As a product of ON Semiconductor, a renowned leader in power and signal management, the FAN4803CS2 is backed by robust support and the assurance of high-quality manufacturing. It is an excellent choice for designers looking to improve power efficiency and performance in their next project.