The L6562AD, manufactured by STMicroelectronics, is a state-of-the-art Power Factor Correction (PFC) controller specifically designed for high-efficiency applications within the field of switched-mode power supplies. This advanced device incorporates features that enable the implementation of energy-saving solutions, making it a popular choice for applications that require compliance with power efficiency regulations.

Key Features

• Transition-Mode PFC Controller: The L6562AD operates in transition mode, also known as boundary conduction mode, which ensures a high power factor and low THD (Total Harmonic Distortion) across a wide range of load conditions.
• Low Operating Quiescent Current: Its low quiescent current consumption contributes to the overall energy savings, making it suitable for energy-efficient power supply designs.
• High-Voltage Startup: The integrated high-voltage startup circuitry allows the device to self-supply directly from the rectified mains, eliminating the need for an auxiliary bias winding.
• Pin-to-Pin Compatibility: The L6562AD is designed to be pin-to-pin compatible with the earlier L6561 device, providing an easy upgrade path for existing designs.

Applications

Due to its versatility and efficiency, the L6562AD is an ideal choice for a wide array of applications, including:

• LED lighting drivers
• Adapters and chargers for portable devices
• Flat-panel display power supplies
• Standby power supplies for green-mode operations

Technical Specifications

• Package: SO-8
• Voltage Range: The device operates over a wide supply voltage range, compatible with typical mains voltages worldwide.
• Protection Features: The L6562AD incorporates a comprehensive set of protection features, including overvoltage, undervoltage, overcurrent, and thermal shutdown, to ensure the reliability and safety of the power supply.

In summary, the L6562AD from STMicroelectronics offers a compact, efficient, and reliable solution for power supply designers looking to meet stringent energy standards without compromising on performance. Its advanced features and ease of use make it a go-to choice for a variety of power factor correction applications.