Texas Instruments

UCC28C45DGK  

DC DC Switching Controllers

UCC28C45DGK Description

The UCC28C45DGK from Texas Instruments is a high-performance, obsolete DC-DC switching controller designed for boost, flyback, and forward converter topologies. Operating within a 7.6V to 18V supply range, it delivers a single-output transistor driver with a positive configuration, supporting switching frequencies up to 1MHz. This surface-mount IC is packaged in an 8-VSSOP tube, ensuring compact integration into power supply designs. With 48% maximum duty cycle and frequency control capabilities, it offers precise regulation for demanding applications. The device is ROHS3 compliant and REACH unaffected, meeting stringent environmental standards.

UCC28C45DGK Features

• Wide Input Voltage Range: 7.6V–18V, suitable for industrial and automotive systems.
• High Switching Frequency: Up to 1MHz enables compact magnetics and faster transient response.
• Frequency Control: Adjustable operation for optimized efficiency across load conditions.
• Single-Output Driver: Simplified design with positive output configuration.
• Robust Packaging: 8-VSSOP with MSL 2 (1 year) moisture sensitivity, ideal for automated assembly.
• Compliance: ROHS3 and REACH unaffected, ensuring environmental and regulatory adherence.

UCC28C45DGK Applications

• Isolated Power Supplies: Flyback converters for telecom and industrial systems.
• High-Voltage Boost Converters: LED drivers and battery-powered equipment.
• Forward Converters: Server PSUs and distributed power architectures.
• Automotive Electronics: Auxiliary power modules requiring wide input ranges.

Conclusion of UCC28C45DGK

The UCC28C45DGK excels in high-frequency power conversion, offering design flexibility for isolated and non-isolated topologies. Its wide input range and compact form factor make it ideal for space-constrained applications, though its obsolete status may necessitate alternative solutions for new designs. Engineers leveraging existing stock can benefit from its precision control and robust performance in industrial, automotive, and telecom power systems.

UCC28C45DGK Documents

Download datasheets and manufacturer documentation for UCC28C45DGK

Datasheets :

UCC28C40-45, UCC38C40-45      

UNKNOWN TYPE :

8-VSSOP      

PCN Obsolescence/ EOL :

UCCx8C4xDGK obs 12/Jan/2023      

HTML Datasheet :

UCC28C40-45, UCC38C40-45