The Texas Instruments UCC2819AD is a versatile and efficient power factor correction (PFC) controller designed to optimize power supply systems. This advanced integrated circuit is engineered to provide low total harmonic distortion and high power factor, making it an ideal choice for a wide range of applications including industrial systems, consumer electronics, and communication devices.

Key Features

• Average Current Mode Control: The UCC2819AD utilizes an average current mode control method, ensuring stable and reliable operation over various load conditions. This feature also simplifies the design of the external loop compensation network.
• Wide Range of Operating Frequencies: With an operating frequency range of 16 kHz to 250 kHz, the UCC2819AD can be used in applications that require either a low audible noise level or a compact power supply size due to high-frequency operation.
• Low Start-Up and Operating Current: The device boasts a low start-up current of 100 µA and a low operating current of 2 mA, contributing to the overall efficiency of the power supply system.
• Programmable Soft Start: The built-in soft start function prevents current overshoot and reduces stress on the power supply components during start-up, enhancing the longevity and reliability of the system.

Applications

• AC-DC Adapters
• Off-Line Power Supplies
• Power Supply for LED Lighting
• Telecom and Datacom Power Systems

Technical Specifications

• Control Method: Average Current Mode
• Operating Frequency: 16 kHz to 250 kHz
• Start-Up Current: 100 µA
• Operating Current: 2 mA
• Package: 16-Pin SOIC

The UCC2819AD is available in a 16-pin SOIC package, providing a compact footprint for space-constrained applications. Its robust design and comprehensive features make it a smart choice for designers looking to enhance the efficiency and performance of their power management systems.