STMicroelectronics L6561D013TR Power Factor Corrector

The L6561D013TR from STMicroelectronics is a highly efficient power factor correction (PFC) controller, designed to meet the needs of low to medium power applications. This integrated circuit is part of STMicroelectronics' renowned power management solutions, offering an advanced approach to achieving near-unity power factor for AC-DC power supplies.

This transition-mode PFC controller is specifically engineered to work in systems that require compliance with the IEC61000-3-2 standard, which governs the limits of harmonic current emissions. By utilizing this IC, designers can ensure that their power supplies are not only efficient but also meet the stringent regulatory requirements for power quality.

Key Features

• Transition Mode (TM) Operation: The L6561D013TR operates in Transition Mode, which optimizes efficiency by reducing switching losses, making it ideal for applications where power efficiency is crucial.
• Low Start-Up Current: The device features a low start-up current of just 70µA, minimizing standby power consumption and making it suitable for energy-saving applications.
• Low Operating Supply Current: With an operating supply current of 4mA, the IC ensures minimal power wastage during operation, contributing to the overall efficiency of the power supply.
• Highly Integrated: The PFC controller integrates functions such as the error amplifier, the multiplier/divider for power factor correction, and a fixed-frequency PWM controller, reducing the need for external components and simplifying circuit design.
• Protection Features: It includes a range of protection features such as overvoltage protection, limiting the output overvoltage to safe levels during transient conditions, and a disable function that lowers the IC consumption during idle modes.

Applications

Thanks to its versatility and efficiency, the L6561D013TR is well-suited for a variety of applications, including:

• AC-DC adapters for personal computers and laptops
• Consumer electronics such as TVs and audio systems
• Lighting applications including LED drivers and ballasts
• Standby and auxiliary power supplies

With its comprehensive feature set and commitment to power efficiency, the STMicroelectronics L6561D013TR is an excellent choice for designers looking to enhance the performance and compliance of their power supply designs.