The UCC3921D/81143, a distinguished product from Texas Instruments, is a robust power supply controller designed for precision management of power in electronic systems. Its primary function is to ensure stable and reliable power supply to critical components, making it an indispensable part of any power management solution.

Key Features

• Advanced Control: The UCC3921D/81143 features sophisticated control mechanisms that provide excellent regulation and response to varying load conditions.
• High Efficiency: Designed with energy efficiency in mind, this controller aids in reducing power loss and improving overall system efficiency, which is vital for both battery-powered and energy-conscious applications.
• Flexibility: Its versatile design allows for use in a wide array of applications, including but not limited to, telecommunications, industrial systems, and computing infrastructure.
• Protection Features: The device includes multiple protection features such as overvoltage, undervoltage, overcurrent, and thermal shutdown, which safeguard the system from potential damage due to abnormal operating conditions.

Applications

The UCC3921D/81143 is suitable for various high-performance applications, where reliable power management is critical. Some of the typical applications include:

• Server and Telecom Power Supplies
• Industrial Power Systems
• DC-DC Converters
• Redundant Power Architectures

Technical Specifications

With a focus on technical excellence, the UCC3921D/81143 offers the following specifications:

• Input Voltage Range: 4.5V - 20V
• Output Voltage Range: 0.8V - 15V
• Switching Frequency: 300kHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOIC-16

Quality and Reliability

Texas Instruments is renowned for its commitment to quality and reliability, and the UCC3921D/81143 is no exception. It undergoes rigorous testing and quality assurance protocols to ensure it meets the highest industry standards for performance and longevity.