The L4986A from STMicroelectronics is a robust and versatile Power Factor Correction (PFC) controller, designed to operate in Transition Mode (TM). As an integral part of energy-efficient power supply units, the L4986A is engineered to provide a high power factor and low THD, making it an ideal solution for applications such as consumer electronics, industrial power systems, and lighting equipment.

Key Features

• Transition Mode (TM) Control: The L4986A operates in Transition Mode, offering an optimal balance between efficiency and system cost, making it suitable for medium-power applications.
• High Power Factor: It ensures a high power factor close to unity, which is essential for energy-saving regulations and to reduce the load on the electrical network.
• Low Total Harmonic Distortion (THD): The controller provides low THD, which minimizes interference with other electronic equipment and complies with international power quality standards.
• Integrated Protections: The L4986A includes various protection features such as overvoltage, undervoltage, leading-edge blanking, and a disable function, enhancing the safety and reliability of the applications it is used in.
• Built-in Error Amplifier: The device comes with an internal error amplifier for feedback loop regulation, simplifying the design and reducing external component count.

Applications

• Consumer Electronics
• Industrial Power Systems
• Lighting Equipment

With its advanced features and protections, the L4986A PFC controller from STMicroelectronics stands out as a top choice for designers looking to improve power efficiency and meet stringent energy standards. Its ability to operate across a wide range of input voltages and loads, coupled with STMicroelectronics' reputation for reliability, makes the L4986A a smart and dependable choice for your power management needs.