The UCC2813N-2 is a high-performance, low-power BiCMOS current-mode pulse width modulation (PWM) controller designed by Texas Instruments. This efficient and reliable integrated circuit (IC) is part of the UCC2813x family of devices, which are tailored to meet the stringent requirements of modern power supply units.

Key Features

• Optimized for Off-line and DC-to-DC Converters: The UCC2813N-2 is specifically designed to operate in off-line and DC-to-DC converter applications, providing precise control over the power conversion process.
• Low Startup and Operating Current: This device features an ultra-low startup current of less than 0.5mA and a low operating current, making it an energy-efficient choice for power systems.
• High Current Totem Pole Output: The totem pole output is capable of delivering high current, which is essential for driving power MOSFETs and ensuring robust performance in various applications.
• Automatic Feed-Forward Compensation: The UCC2813N-2 includes automatic feed-forward compensation, helping to maintain stable operation across a wide range of input voltages and output loads.
• Trimmed Oscillator Discharge Current: The internal oscillator's discharge current is precisely trimmed, which aids in the consistency of the PWM timing, thus enhancing the overall reliability of the power supply.

Applications

The UCC2813N-2 is versatile and can be used in a variety of applications, including:

• Switching power supplies
• Power converters for personal computers
• DC-DC modules
• Off-line power supplies
• Telecommunications equipment

Technical Specifications

The UCC2813N-2 operates within a wide temperature range and is available in an 8-pin PDIP (Plastic Dual-In-Line Package), making it suitable for through-hole mounting. It is designed to provide excellent performance in a broad spectrum of power supply topologies, ensuring both efficiency and reliability in your power management solutions.

Conclusion

As a product of Texas Instruments, a leader in the semiconductor industry, the UCC2813N-2 PWM controller is a testament to the company's commitment to high-quality and innovative solutions. Whether you're designing a power supply for consumer electronics or industrial systems, the UCC2813N-2 offers the features and performance needed to create a dependable and efficient power management system.