Texas Instruments

UCC28503DWTR

UCC28503DWTR Description

The UCC28503DWTR is a Power Factor Correction (PFC) controller IC designed for high-performance power management applications. Manufactured by Texas Instruments, this device operates in Average Current Mode and is housed in a Surface Mount package, specifically in a Tape & Reel (TR) format. It features a switching frequency range of 80kHz to 120kHz and a supply voltage range of 9.7V to 18V. The UCC28503DWTR is REACH Unaffected and RoHS3 Compliant, ensuring environmental and regulatory compliance. It has a startup current of 150 µA and a Moisture Sensitivity Level (MSL) of 2 (1 Year). Although this product is now obsolete, it remains a notable example of advanced power management technology.

UCC28503DWTR Features

• Average Current Mode Control: This mode ensures precise control over the output current, providing stable and efficient power delivery.
• Wide Switching Frequency Range: The 80kHz to 120kHz range allows for flexibility in design, enabling engineers to optimize for efficiency and performance.
• Broad Supply Voltage Range: The 9.7V to 18V supply voltage range accommodates a variety of input power sources, enhancing the IC's versatility.
• Low Startup Current: With a startup current of only 150 µA, the UCC28503DWTR minimizes power consumption during startup, contributing to overall system efficiency.
• Surface Mount Compatibility: The Surface Mount package type facilitates integration into compact and high-density designs.
• Environmental Compliance: REACH Unaffected and RoHS3 Compliant status ensures that the UCC28503DWTR meets stringent environmental regulations, making it suitable for a wide range of applications.
• Moisture Sensitivity Level (MSL) 2 (1 Year): This rating indicates the IC's robustness against moisture, ensuring reliability in various environmental conditions.

UCC28503DWTR Applications

The UCC28503DWTR is ideal for applications requiring efficient power factor correction and stable power delivery. Its key applications include:

• Power Supplies: The IC's ability to operate within a wide supply voltage range and its precise current control make it suitable for various power supply designs, including those for consumer electronics, industrial equipment, and telecommunications infrastructure.
• High-Density Designs: The Surface Mount package allows for integration into compact and space-constrained systems, such as small form-factor power supplies and embedded systems.
• Energy-Efficient Systems: The low startup current and wide switching frequency range contribute to energy efficiency, making the UCC28503DWTR a valuable component in green technology applications.
• Regulated Power Systems: The Average Current Mode control ensures stable and regulated power output, essential for systems requiring precise power management.

Conclusion of UCC28503DWTR

The UCC28503DWTR by Texas Instruments is a versatile and efficient PFC controller IC that offers significant benefits in power management applications. Its wide switching frequency range, broad supply voltage range, and low startup current make it a robust solution for various power supply designs. Despite its obsolescence, the UCC28503DWTR remains a benchmark for power factor correction and efficient power delivery. Its environmental compliance and moisture sensitivity level further enhance its reliability and suitability for diverse applications. For engineers seeking a reliable and efficient PFC solution, the UCC28503DWTR is a noteworthy option, even as newer technologies continue to evolve.