The UCC28517N by Texas Instruments is an innovative and versatile power management integrated circuit designed to provide both power factor correction (PFC) and pulse-width modulation (PWM) in a single package. This advanced controller is engineered to enhance the performance and efficiency of AC-DC power supplies, particularly those used in desktop PCs, servers, and telecom equipment.

Key Features:

• Integrated PFC and PWM controllers for reduced system complexity and cost
• Highly efficient power factor correction for compliance with global power regulations
• Transition-mode PFC control for reduced power dissipation and improved thermal management
• Fixed-frequency PWM control ensuring stable and reliable power supply operation
• Peak current mode control for fast response to load transients
• Low startup and operating current to minimize standby power consumption

Applications:

• AC-DC adapters and power supplies for personal computers and servers
• Telecom power systems
• Industrial and consumer electronics requiring efficient power management

The UCC28517N is housed in a convenient PDIP-20 package, making it easy to integrate into a wide range of power supply designs. Its robust design includes protection features such as under-voltage lockout, over-voltage protection, and over-current protection, ensuring long-term reliability and safety of the end application.

With its combination of PFC and PWM functionalities, the UCC28517N from Texas Instruments stands out as a comprehensive solution for power supply designers looking to optimize their systems for efficiency and performance. Its ability to meet stringent power regulations while maintaining high efficiency across a broad load range makes it an excellent choice for modern energy-conscious applications.