STMicroelectronics Product L6668 Overview

The L6668 from STMicroelectronics is a highly integrated and efficient controller designed for advanced switch-mode power supplies (SMPS). This product is a part of STMicroelectronics' vast array of power management solutions, tailored to meet the demanding requirements of modern electronic applications.

Key Features

• High-Voltage Startup: The L6668 includes an integrated high-voltage startup circuit, which allows the device to be powered directly from the rectified mains voltage, thus simplifying the design and reducing external component count.
• Adjustable Operating Frequency: The controller supports an adjustable switching frequency that can be set by the user, providing flexibility and optimization for different applications and allowing for efficiency and size trade-offs.
• Burst-Mode Operation: To enhance power efficiency at light loads, the L6668 features a burst-mode operation, significantly reducing the power consumption when the load demand decreases.
• Comprehensive Protection Features: It includes a suite of protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring safe operation under abnormal conditions and enhancing the reliability of the end product.

Applications

The versatility of the L6668 controller makes it suitable for a wide range of power supply applications, including:

• AC-DC adapters
• Offline battery chargers
• LED lighting drivers
• Power supplies for TVs, monitors, and audio/video equipment

Design Support

To facilitate the design process, STMicroelectronics offers application notes, evaluation boards, and a comprehensive set of tools for simulation and design. This support ensures that engineers can optimize the L6668 for their specific applications and bring efficient, reliable power solutions to market more quickly.

With its advanced features, the L6668 by STMicroelectronics represents a robust and flexible solution for modern SMPS designs, offering both performance and ease of use to designers across various industries.