Texas Instruments

UC2856DWTR

UC2856DWTR Description

The UC2856DWTR from Texas Instruments is a high-performance DC-DC switching controller designed for precision power management applications. Packaged in a 16-SOIC surface-mount format and supplied in Tape & Reel (TR), this transistor driver supports a wide input voltage range (7V–40V) and operates at a switching frequency of 200kHz. It features synchronous rectification and clock synchronization, ensuring efficient power conversion with minimal losses. With two outputs and 47% maximum duty cycle, it is optimized for single-phase topologies, making it ideal for demanding industrial and automotive power systems.

UC2856DWTR Features

• Output Configuration: Positive transistor driver with 2 outputs for flexible power stage design.
• Control Features: Includes enable, frequency control, and soft-start for smooth power-up sequencing.
• Synchronous Rectification: Enhances efficiency by reducing conduction losses.
• Wide Operating Range: 7V–40V supply accommodates diverse input sources.
• Clock Sync: Allows synchronization with external clocks for noise-sensitive applications.
• Compliance: ROHS3 and REACH compliant, with MSL 2 (1 Year) moisture sensitivity.
• Last Time Buy Status: Available for final procurement before discontinuation.

UC2856DWTR Applications

This controller excels in:

• Industrial Power Supplies: High-efficiency converters for factory automation.
• Automotive Systems: Reliable voltage regulation in harsh environments.
• Telecom Infrastructure: Synchronized power delivery for base stations.
• Renewable Energy: Solar/wind inverter control with soft-start protection.
  Its frequency control and synchronous rectification make it superior to non-sync controllers, while the wide voltage range ensures compatibility with unstable input sources.

Conclusion of UC2856DWTR

The UC2856DWTR is a robust, feature-rich switching controller tailored for high-efficiency power conversion. Its synchronous rectification, clock sync, and wide input range provide distinct advantages in industrial, automotive, and telecom applications. While marked as Last Time Buy, it remains a top choice for engineers needing reliable performance in complex power systems.