Introducing the L6562ATD: A Pioneering Transition-Mode PFC Controller from STMicroelectronics

The L6562ATD is a highly advanced Power Factor Correction (PFC) controller designed by STMicroelectronics, a global leader in semiconductor solutions. This controller is specifically engineered for transition-mode (TM) operations in PFC circuits. It is a cutting-edge solution for designers looking to enhance energy efficiency and meet stringent power quality standards in their AC-DC power conversion applications.

Key Features

• Transition Mode Operation: Optimized for the boundary between continuous and discontinuous conduction modes, ensuring high efficiency and reduced power loss.
• Low Total Harmonic Distortion: Provides excellent power factor correction, minimizing harmonic distortion in the electrical system.
• Multi-Function Pin: A versatile pin that can be used for various functions such as overvoltage protection (OVP), enable function, or zero-current detection (ZCD).
• High-Voltage Startup: Integrated high-voltage startup circuit for a quick and efficient power-up sequence, reducing standby consumption.
• Protection Features: Comprehensive set of protection features including overvoltage, overcurrent, and thermal shutdown to ensure safe operation under abnormal conditions.

Applications

The L6562ATD is suitable for a wide range of applications that require efficient power factor correction. It is ideal for:

• LED lighting drivers
• Switch-mode power supplies (SMPS)
• Adapters and chargers for consumer electronics
• Flat-panel displays and televisions
• Power supplies for servers and telecom systems

Technical Specifications

With its advanced BCD technology, the L6562ATD allows for a reduced external component count and a simplified circuit design, leading to cost-effective and compact power supply solutions. The device is packaged in a SO-8, providing a small footprint while maintaining robustness and reliability.

Conclusion

The L6562ATD from STMicroelectronics represents a significant step forward in power management technology. It combines performance, efficiency, and reliability to meet the demands of modern power supply design. By integrating this controller into their products, manufacturers can achieve not only higher power efficiency but also compliance with international power regulations, making it an excellent choice for eco-conscious designs.