Texas Instruments

UC2875N

UC2875N Description

The UC2875N from Texas Instruments is a high-performance offline switch-mode power supply controller designed for full-bridge converter topologies. Packaged in a 20-pin DIP (Through Hole), it operates with a wide supply voltage range of 9.5V to 20V and features a 1MHz switching frequency, making it suitable for high-efficiency power conversion applications. This IC is classified under EAR99 and complies with ROHS3 environmental standards, ensuring global usability. With Last Time Buy status, it remains a reliable choice for legacy designs requiring robust offline switching solutions.

UC2875N Features

• Advanced Control Features: Includes frequency control, soft start, and synchronization capabilities for precise power management.
• Comprehensive Fault Protection: Built-in current limiting safeguards against overload conditions.
• High Duty Cycle: Supports 100% duty cycle for maximum power delivery.
• Wide Operating Range: Startup voltage of 10.75V ensures reliable initialization under varying conditions.
• Through-Hole Mounting: Facilitates easy integration into industrial and automotive power systems.
• REACH Unaffected: Meets stringent environmental regulations without compromising performance.

UC2875N Applications

The UC2875N excels in high-power offline switching applications, including:

• Industrial Power Supplies: For machinery requiring stable, high-current outputs.
• Telecom Infrastructure: Ensures efficient power conversion in base stations and networking equipment.
• Automotive Systems: Ideal for electric vehicle (EV) charging modules and onboard power distribution.
• Renewable Energy: Used in solar inverters and battery management systems for optimized energy conversion.

Conclusion of UC2875N

The UC2875N stands out for its robust design, high switching frequency, and fault protection, making it a preferred choice for demanding power conversion tasks. While marked as Last Time Buy, its legacy reliability and compliance with modern standards ensure continued suitability for critical applications. Engineers seeking a full-bridge controller with advanced control features will find this IC a dependable solution for industrial, automotive, and renewable energy systems.