Texas Instruments

UCC28050P  

Power Factor Correction ICs

UCC28050P Description

The UCC28050P from Texas Instruments is a Power Factor Correction (PFC) controller designed for high-efficiency power conversion in a wide range of applications. This IC operates in discontinuous mode, transitioning seamlessly to ensure optimal performance across varying load conditions. It is housed in a through-hole package, specifically an 8-pin DIP, making it suitable for applications requiring robust mechanical stability and ease of integration into existing designs.

Key technical specifications include a switching frequency of 200kHz, which allows for high-frequency operation and compact design of power supplies. The supply voltage range of 15.4V to 18V ensures compatibility with a variety of power sources, while the low startup current of 75 µA minimizes power consumption during initial operation. The UCC28050P is also compliant with REACH and RoHS3 standards, ensuring environmental sustainability and regulatory compliance.

UCC28050P Features

• Discontinuous Mode Operation: The UCC28050P operates in discontinuous mode, transitioning smoothly to maintain high efficiency and power factor correction across different load levels. This mode of operation is particularly beneficial for applications requiring high efficiency at light loads.
• Wide Supply Voltage Range: With a supply voltage range of 15.4V to 18V, the UCC28050P can accommodate a variety of input power sources, enhancing its versatility in different power supply designs.
• Low Startup Current: The low startup current of 75 µA ensures minimal power consumption during the initial startup phase, contributing to overall energy efficiency and system reliability.
• High Switching Frequency: The 200kHz switching frequency allows for the use of smaller passive components, resulting in more compact and cost-effective power supply designs.
• Regulatory Compliance: The UCC28050P is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards, making it suitable for global markets.
• Through-Hole Mounting: The through-hole package type provides robust mechanical stability and ease of integration into existing PCB designs, particularly in industrial and high-reliability applications.

UCC28050P Applications

The UCC28050P is ideal for applications requiring high-efficiency power conversion and power factor correction. Specific use cases include:

• Switch-Mode Power Supplies (SMPS): The high switching frequency and discontinuous mode operation make the UCC28050P suitable for compact and efficient SMPS designs, particularly in consumer electronics and industrial equipment.
• Uninterruptible Power Supplies (UPS): The robust through-hole package and wide supply voltage range ensure reliable operation in UPS systems, where high efficiency and power factor correction are critical.
• Telecommunications: The UCC28050P can be used in telecom power supplies, where high efficiency and compact design are essential for meeting space constraints and reducing operational costs.
• Industrial Control Systems: The mechanical stability of the through-hole package and regulatory compliance make the UCC28050P a reliable choice for industrial control systems that require high reliability and environmental sustainability.

Conclusion of UCC28050P

The UCC28050P from Texas Instruments is a versatile and efficient PFC controller that offers significant advantages over similar models. Its discontinuous mode operation, wide supply voltage range, and low startup current make it ideal for a variety of applications, including SMPS, UPS, telecommunications, and industrial control systems. The high switching frequency allows for compact designs, while the through-hole package ensures robust mechanical stability. Compliance with REACH and RoHS3 standards further enhances its suitability for global markets. Overall, the UCC28050P is a reliable and efficient solution for high-efficiency power conversion needs.

UCC28050P Documents

Download datasheets and manufacturer documentation for UCC28050P

Datasheets :

UCC28050/51, UCC38050/51      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023      

HTML Datasheet :

UCC28050/51, UCC38050/51      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Material Set 30/Mar/2017