Texas Instruments

UCC2819DTR

UCC2819DTR Description

The UCC2819DTR is a high-performance power factor correction (PFC) controller IC designed for average current mode applications. Manufactured by Texas Instruments, this device is part of the Power Management (PMIC) category and is housed in a 16-pin SOIC package. It operates within a supply voltage range of 10.8V to 17V and features a switching frequency of 250kHz. The UCC2819DTR is designed for surface mount applications and is available in a Tape & Reel (TR) packaging format. With a startup current of only 150 µA, it is highly efficient and suitable for a wide range of power conversion applications. The device is compliant with REACH and RoHS3 standards, ensuring environmental sustainability and regulatory adherence. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage conditions.

UCC2819DTR Features

• Average Current Mode Control: The UCC2819DTR employs average current mode control, which provides excellent line and load regulation, ensuring stable and efficient power delivery.
• Wide Supply Voltage Range: Operating within a supply voltage range of 10.8V to 17V, the UCC2819DTR is versatile and can accommodate various input voltage conditions.
• High Switching Frequency: With a switching frequency of 250kHz, the UCC2819DTR enables the use of smaller inductors and capacitors, reducing the overall size and cost of the power supply.
• Low Startup Current: The device has a low startup current of 150 µA, which minimizes power consumption during startup and enhances efficiency.
• Surface Mount Compatibility: The UCC2819DTR is designed for surface mount applications, making it ideal for modern, compact electronic designs.
• Regulatory Compliance: The UCC2819DTR is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards.
• Moisture Sensitivity Level 1: With an MSL of 1, the UCC2819DTR can be stored indefinitely without the need for special handling or packaging, simplifying inventory management.

UCC2819DTR Applications

The UCC2819DTR is well-suited for a variety of applications where efficient power factor correction and compact design are critical. Some specific use cases include:

• AC-DC Power Supplies: Ideal for high-efficiency power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Uninterruptible Power Supplies (UPS): Enhances the reliability and efficiency of UPS systems by providing stable power factor correction.
• Solar Inverters: Contributes to the efficiency and performance of solar inverters, ensuring optimal power delivery and grid compatibility.
• Motor Drives: Suitable for motor drive applications where precise control and high efficiency are required.
• LED Lighting: Enhances the performance of LED lighting systems by providing stable power and improving power factor.

Conclusion of UCC2819DTR

The UCC2819DTR from Texas Instruments is a robust and versatile PFC controller IC that offers significant advantages over similar models. Its average current mode control, wide supply voltage range, and high switching frequency make it ideal for a wide range of power conversion applications. The device's low startup current, surface mount compatibility, and regulatory compliance further enhance its appeal. With its ability to deliver stable and efficient power, the UCC2819DTR is an excellent choice for designers seeking to optimize their power management solutions.