The L6562AN is a highly integrated and feature-rich Power Factor Correction (PFC) controller produced by STMicroelectronics. This advanced device is designed for use in a wide range of applications requiring power factor correction, such as switched-mode power supplies, lighting systems, and industrial power units.
Key Features
- Transition-Mode PFC Controller: The L6562AN operates in transition mode, also known as boundary mode or critical conduction mode, which provides an optimal compromise between switching losses and EMI.
- Low Harmonic Distortion: This controller is engineered to minimize total harmonic distortion (THD), thereby improving power quality and meeting stringent regulatory standards.
- High Efficiency: The device is optimized for high efficiency, reducing energy consumption and heat generation in applications.
- Low Quiescent Current: It features a very low quiescent current, which is beneficial for achieving low power consumption during standby or no-load conditions.
- Adjustable Output Overvoltage Protection: The L6562AN includes an adjustable output overvoltage protection feature, safeguarding the system against voltage spikes and surges.
Applications
The versatility of the L6562AN makes it suitable for a variety of applications, including:
- AC-DC Adapters
- Power Supplies for LCD TVs and Monitors
- Power Supplies for LED Lighting
- Offline Power Supplies for Servers and Telecom Systems
Technical Specifications
The L6562AN features a wide supply voltage range and is housed in a compact, surface-mount package. Its technical specifications include:
- Supply Voltage Range: 11.4 V to 18 V
- Operating Frequency: Up to 200 kHz
- Package: SO-8N
The integration of multiple protection features, such as brownout protection, feedback disconnection, and a built-in soft-start function, makes the L6562AN a robust and reliable solution for power factor correction needs.
