Overview of Product L4981AD013TR from STMicroelectronics

The L4981AD013TR is a high-performance Power Factor Corrector (PFC) manufactured by STMicroelectronics, designed to operate in Continuous Conduction Mode (CCM) to deliver a stable and efficient power supply. This integrated circuit is tailored for a variety of applications that require power factor correction, such as lighting systems, industrial power supplies, and consumer electronics.

Key Features

• Continuous Conduction Mode: The L4981AD013TR operates in CCM, ensuring low THD and improved power factor for applications that demand constant power.
• Wide Input Voltage Range: This PFC controller can handle a broad range of input voltages, making it versatile for different power supply standards and conditions.
• High Efficiency: With its optimized gate turn-on/turn-off driver, the L4981AD013TR achieves high efficiency, which is crucial for reducing heat dissipation and improving system reliability.
• Total Harmonic Distortion (THD) Optimizer: The built-in THD optimizer minimizes the current distortion, thereby improving the power factor and reducing stress on the power grid.
• Protection Features: It includes a variety of protection features such as overvoltage, undervoltage lockout, and overcurrent protection, enhancing the safety and durability of the end application.

Applications

The L4981AD013TR is suitable for a wide range of applications that require efficient power factor correction. Its robust design and advanced features make it an excellent choice for:

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

Product Packaging

The L4981AD013TR comes in a SO-20 package, providing a compact solution that is easy to integrate into a wide range of electronic assemblies. The product is available in tape and reel packaging, facilitating automated assembly processes and high-volume production.

Conclusion

STMicroelectronics' L4981AD013TR is a sophisticated PFC controller that combines high efficiency, versatility, and advanced protection features. Its CCM operation and THD optimization make it a prime choice for engineers and designers looking to enhance power supply performance while maintaining compliance with energy-saving standards.