Texas Instruments

UCC2818DW

UCC2818DW Description

The UCC2818DW is a high-performance Power Factor Correction (PFC) IC designed for average current mode control applications. Manufactured by Texas Instruments, this device offers a robust solution for improving power factor and reducing harmonic distortion in AC-DC power supplies. The UCC2818DW operates within a switching frequency range of 6kHz to 220kHz, making it suitable for a wide range of power conversion applications. It is designed to work with a supply voltage range of 12V to 17V, ensuring compatibility with various power supply systems.

The UCC2818DW is packaged in a Tube format, which is ideal for surface mount applications. This packaging ensures ease of integration into modern electronic designs while maintaining high reliability. The device is classified under the HTSUS code 8542.39.0001 and is REACH unaffected, ensuring compliance with environmental regulations. Additionally, the UCC2818DW is RoHS3 compliant, making it suitable for use in environmentally conscious designs.

UCC2818DW Features

• Average Current Mode Control: The UCC2818DW employs average current mode control, which provides precise regulation of the input current waveform, ensuring high power factor and low harmonic distortion.
• Wide Switching Frequency Range: With a switching frequency range of 6kHz to 220kHz, the UCC2818DW can be optimized for various power levels and efficiency requirements.
• Low Startup Current: The device features a low startup current of 150 µA, which minimizes power consumption during startup and enhances overall system efficiency.
• Surface Mount Compatibility: The surface mount design of the UCC2818DW allows for easy integration into compact and high-density PCB layouts.
• Moisture Sensitivity Level (MSL) 2: The MSL rating of 2 ensures that the device can be safely stored and handled for up to one year, reducing the risk of moisture-related damage.
• Compliance and Reliability: The UCC2818DW is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards.

UCC2818DW Applications

The UCC2818DW is ideal for a variety of applications where high power factor and low harmonic distortion are critical. Some specific use cases include:

• AC-DC Power Supplies: The UCC2818DW is well-suited for power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
• High-Efficiency Converters: Its wide switching frequency range and low startup current make it an excellent choice for high-efficiency power converters.
• Compact Designs: The surface mount package allows for integration into compact and high-density PCB designs, making it suitable for space-constrained applications.
• Environmental Compliance: The REACH unaffected and RoHS3 compliant status ensures that the UCC2818DW can be used in environmentally conscious designs, meeting regulatory requirements for electronics manufacturing.

Conclusion of UCC2818DW

The UCC2818DW from Texas Instruments is a versatile and reliable PFC IC that offers significant advantages over similar models. Its average current mode control ensures high power factor and low harmonic distortion, making it ideal for a wide range of AC-DC power conversion applications. The wide switching frequency range and low startup current further enhance its performance and efficiency. With its surface mount compatibility and environmental compliance, the UCC2818DW is a robust solution for modern power supply designs. Whether used in consumer electronics, industrial equipment, or telecommunications, the UCC2818DW provides a reliable and efficient power factor correction solution.