Texas Instruments

UCC2819AD

UCC2819AD Description

The UCC2819AD is a high-performance Power Factor Correction (PFC) controller IC designed for average current mode control, offering robust performance and efficiency in power management applications. Manufactured by Texas Instruments, this IC is housed in a 16-pin SOIC package, making it suitable for surface mount applications. The UCC2819AD operates within a supply voltage range of 10.8V to 17V and features a switching frequency of 250kHz, ensuring efficient power conversion and minimal electromagnetic interference (EMI).

UCC2819AD Features

• Average Current Mode Control: The UCC2819AD employs average current mode control, which provides excellent line and load regulation, fast transient response, and inherent current limiting. This mode of control ensures stable operation and high efficiency across a wide range of operating conditions.
• Wide Supply Voltage Range: With a supply voltage range of 10.8V to 17V, the UCC2819AD is versatile and can be used in various power supply designs without the need for additional voltage regulation stages.
• High Switching Frequency: The 250kHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall size and cost of the power supply while maintaining high efficiency.
• Low Startup Current: The UCC2819AD requires only 150 µA of startup current, enabling efficient startup with minimal power consumption.
• Compliance and Reliability: The UCC2819AD is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards. The moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for a wide range of manufacturing environments.
• Packaging: The UCC2819AD is available in a tube package, facilitating easy handling and integration into automated assembly processes.

UCC2819AD Applications

The UCC2819AD is ideal for a variety of applications where high efficiency and robust power factor correction are required. Some specific use cases include:

• AC-DC Power Supplies: The UCC2819AD is well-suited for high-power AC-DC power supplies used in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): Its ability to maintain stable output voltage and current makes it an excellent choice for UPS systems, ensuring reliable power backup during mains failures.
• LED Lighting: The UCC2819AD can be used in LED lighting systems to provide efficient power conversion and control, enhancing the overall performance and longevity of the lighting solution.
• Server Power Supplies: In data centers and server farms, the UCC2819AD can help achieve high efficiency and power density, contributing to reduced operational costs and improved energy efficiency.

Conclusion of UCC2819AD

The UCC2819AD from Texas Instruments stands out as a reliable and efficient PFC controller IC, offering significant advantages over similar models. Its average current mode control, wide supply voltage range, and high switching frequency make it a versatile component for a variety of power management applications. The low startup current and compliance with environmental standards further enhance its appeal. Whether used in AC-DC power supplies, UPS systems, LED lighting, or server power supplies, the UCC2819AD delivers high performance and reliability, making it an ideal choice for engineers and designers in the electronics industry.