The UCC28019AP from Texas Instruments is a highly efficient, 8-pin active Power Factor Correction (PFC) controller designed for use in a wide range of applications requiring power factor correction. This integrated circuit is tailored for creating a single-stage PFC converter in a continuous conduction mode, which ensures that the power supply operates with a high power factor and low total harmonic distortion.

Key Features

• Wide Range of Operation: The UCC28019AP operates over a wide supply voltage range, accommodating variations in the input power supply and maintaining consistent performance.
• High-Efficiency Control: With its advanced control methodology, the device ensures efficient power conversion, which translates to energy savings and reduced heat generation.
• Frequency Modulation: To minimize electromagnetic interference (EMI), the UCC28019AP incorporates frequency modulation techniques, making it suitable for applications sensitive to noise.
• Protection Features: The device includes a range of protection features such as over-voltage, under-voltage, over-current, and thermal shutdown, ensuring safe operation under abnormal conditions.
• Easy Implementation: The 8-pin configuration and minimal external components requirement make it straightforward to design into power systems, simplifying the overall implementation process.

Applications

The UCC28019AP is versatile and can be used in various applications, including:

• AC-DC Adapters for Laptops and PCs
• Flat Panel Television and Monitors
• Power Supplies for Servers and Networking Equipment
• Street Lighting and Other Outdoor LED Lighting Systems

Product Specifications

Parameter Value Supply Voltage (V<sub>CC) 10.5V to 21V Operating Frequency Up to 65 kHz Operating Temperature Range -40°C to +105°C Package Type PDIP (Plastic Dual-In-Line Package)

Overall, the Texas Instruments UCC28019AP stands out for its ability to enhance power system performance while maintaining simplicity in design, making it an excellent choice for engineers looking to integrate PFC capabilities into their power supply designs.