The UCC2800PWTR is a sophisticated low-power BiCMOS current-mode pulse-width modulation (PWM) controller from Texas Instruments, designed for a wide range of power supply applications. This versatile controller integrates a variety of features to enhance the performance and reliability of power supplies, including switch-mode power supplies (SMPS) and DC-DC converters.

Key Features

• Advanced BiCMOS Technology: The UCC2800PWTR utilizes BiCMOS technology, which combines the strengths of both bipolar and CMOS transistors, resulting in a device with high speed and low power consumption.
• Low Start-Up Current: With a start-up current of just 100µA, this controller is highly efficient, making it ideal for battery-operated and energy-saving applications.
• High-Frequency Operation: The device is capable of operating at frequencies up to 1MHz, allowing for smaller external components and a more compact power supply design.
• Current-Mode Control: Current-mode control provides inherent line feedforward, cycle-by-cycle current limiting, and ease of loop compensation.
• Trimmed Oscillator Discharge Current: The oscillator's discharge current is trimmed, ensuring precise frequency control and consistency between units.

Applications

The UCC2800PWTR is suitable for a variety of applications, including:

• Offline and DC-to-DC power supplies
• Portable equipment
• Green-mode power supplies
• Communication power supplies
• Industrial power systems

Package and Availability

The device is available in a TSSOP-14 package, providing a compact footprint for space-constrained applications. The 'PWTR' suffix indicates that this component is provided in tape and reel packaging, which is suitable for automated assembly processes.

Quality and Reliability

As with all Texas Instruments products, the UCC2800PWTR is manufactured to the highest quality standards, ensuring reliability and performance in even the most demanding applications. Comprehensive technical support and documentation are available to assist with integration and troubleshooting.