Texas Instruments

UC2875DWP  

AC DC Converters, Offline Switches

UC2875DWP Description

The UC2875DWP from Texas Instruments is a high-performance offline switch-mode power supply controller designed for full-bridge PWM applications. Housed in a 28-SOIC package, this IC operates with a switching frequency of up to 1MHz, making it suitable for high-efficiency power conversion systems. It features a wide supply voltage range (9.5V–20V) and a start-up voltage of 10.75V, ensuring reliable operation in demanding environments. With 100% duty cycle capability, it supports continuous power delivery, while integrated current limiting and soft-start functionality enhance system robustness.

UC2875DWP Features

• Frequency Control & Synchronization: Enables precise switching regulation and synchronization with external clocks.
• Comprehensive Protection: Includes current limiting to safeguard against overloads.
• Wide Operating Range: Supports 9.5V–20V input, accommodating diverse power supply designs.
• High Switching Frequency (1MHz): Reduces passive component size, optimizing board space.
• Soft-Start Functionality: Minimizes inrush current during startup, improving reliability.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.
• Surface-Mount (SOIC-28): Facilitates compact, automated assembly.

UC2875DWP Applications

Ideal for high-power offline converters, the UC2875DWP excels in:

• Industrial Power Supplies: For motor drives, PLCs, and automation systems requiring stable, high-current outputs.
• Telecom & Networking Equipment: Provides efficient power management in servers and base stations.
• Medical Power Systems: Ensures reliable operation in critical applications.
• Renewable Energy Inverters: Supports high-efficiency DC-AC conversion in solar/wind systems.

Conclusion of UC2875DWP

The UC2875DWP stands out as a versatile, high-frequency PWM controller with advanced protection and control features. Its wide input range, 1MHz switching capability, and full-bridge topology make it a preferred choice for engineers designing high-efficiency, compact power supplies. While marked as Last Time Buy, its performance and reliability ensure it remains a strong solution for legacy and new designs in industrial, telecom, and renewable energy applications.

UC2875DWP Documents

Download datasheets and manufacturer documentation for UC2875DWP

Datasheets :

UC2875QP      

PCN Obsolescence/ EOL :

EOL 21/Sept/2023      

HTML Datasheet :

UC2875QP