The L6563STR from STMicroelectronics is a cutting-edge Power Factor Correction (PFC) controller operating in Transition Mode (TM). It is specifically designed for high-efficiency applications requiring power factor correction and is suitable for use in a wide range of products, including but not limited to switched-mode power supplies, lighting systems, and adapters.

Key Features

• Transition Mode (TM) Operation: The L6563STR operates in Transition Mode, which ensures optimal efficiency by adjusting the switching frequency according to the load conditions. This mode of operation is particularly effective for systems that have variable load conditions.
• Multi-Function Pin: The device features a multi-function pin that can be used for various functions such as enabling/disabling the PFC, overvoltage protection, and brownout protection, offering designers flexibility in their applications.
• Low Operating Quiescent Current: With its low quiescent current, the L6563STR ensures minimal power consumption when the system is in standby mode, contributing to the overall energy savings of the end application.
• High-Voltage Startup: The integrated high-voltage startup circuitry allows for a quick and efficient startup phase, reducing the overall system power-on time.
• Protection Features: The L6563STR is equipped with a comprehensive set of protection features including overvoltage, undervoltage, overcurrent, and thermal shutdown, ensuring the safety and reliability of the end application.

Applications

The L6563STR is ideal for a diverse array of applications, including:

• AC-DC Adapters
• Power Supplies for LCD TVs and Monitors
• Power Supplies for LED Lighting and Street Lighting
• Offline Power Supplies for Servers and Telecom Systems

Package and Availability

The L6563STR is available in a compact and efficient SO-8 package, making it suitable for space-constrained applications. Its robust design and advanced features make it a preferred choice for engineers looking to enhance the performance and efficiency of their power management systems. For detailed information, specifications, and support resources, please visit the STMicroelectronics website.