Texas Instruments

UCC3819APW  

Power Factor Correction ICs

UCC3819APW Description

The UCC3819APW is a Power Factor Correction (PFC) controller IC designed for average current mode control, offering robust performance and reliability in power management applications. Manufactured by Texas Instruments, this IC is housed in a 16-pin TSSOP package, making it suitable for surface mount applications. Despite its obsolete status, the UCC3819APW remains a viable option for specific power management needs due to its unique features and performance benefits.

UCC3819APW Features

• Operating Temperature Range: The UCC3819APW operates within a temperature range of 0°C to 70°C, ensuring stable performance across a wide range of ambient conditions.
• Average Current Mode Control: This mode of operation provides precise control over the inductor current, enhancing the efficiency and stability of the power conversion process.
• Switching Frequency: The IC operates at a switching frequency of 250kHz, allowing for compact designs with reduced electromagnetic interference (EMI).
• Supply Voltage Range: The UCC3819APW supports a supply voltage range of 10.8V to 17V, making it suitable for a variety of power supply applications.
• Low Startup Current: With a startup current of only 150 µA, the UCC3819APW minimizes power consumption during the initial startup phase, contributing to overall system efficiency.
• Compliance and Standards: The UCC3819APW is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also carries an ECCN classification of EAR99, facilitating international trade and regulatory compliance.
• Moisture Sensitivity Level: The MSL rating of 2 (1 Year) ensures the IC remains stable and functional even in moderately humid environments, reducing the risk of moisture-related failures.

UCC3819APW Applications

The UCC3819APW is ideal for applications requiring high efficiency and precise power factor correction. Specific use cases include:

• Power Supplies: Ideal for AC-DC power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• Switch-Mode Power Converters: Enhances the performance of switch-mode power converters by providing accurate current control and efficient power conversion.
• Energy-Efficient Systems: Suitable for systems where energy efficiency is critical, such as LED lighting drivers and renewable energy inverters.
• Telecommunications: Provides reliable power management for telecom equipment, ensuring stable operation and minimal downtime.

Conclusion of UCC3819APW

The UCC3819APW, despite being marked as obsolete, remains a valuable component in the power management landscape. Its average current mode control, wide operating temperature range, and low startup current make it a reliable choice for various power supply applications. The IC's compliance with environmental and safety standards ensures it meets regulatory requirements while offering robust performance. For engineers and designers seeking a proven solution for power factor correction, the UCC3819APW provides a reliable and efficient option, particularly in applications where its unique features and performance benefits are most needed.

UCC3819APW Documents

Download datasheets and manufacturer documentation for UCC3819APW

Datasheets :

UCC3819APW