Texas Instruments

UCC28C43DG4  

DC DC Switching Controllers

UCC28C43DG4 Description

The UCC28C43DG4 is a highly versatile and efficient DC-to-DC switching controller designed by Texas Instruments. This obsolete product is ideal for applications requiring a transistor driver with positive output configuration. It operates within a supply voltage range of 7.6V to 18V and supports switching frequencies up to 1MHz, making it suitable for high-frequency applications. The UCC28C43DG4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1, it is highly reliable and suitable for surface-mount applications. The controller supports multiple topologies, including boost, flyback, and forward converter, offering flexibility in design. It features a maximum duty cycle of 96%, providing high efficiency and performance. The UCC28C43DG4 is packaged in a tube and is classified under HTSUS code 8542.39.0001.

UCC28C43DG4 Features

The UCC28C43DG4 offers several key features that set it apart from similar models:

• High Switching Frequency: Capable of operating up to 1MHz, this controller is ideal for applications requiring high efficiency and compact design.
• Wide Supply Voltage Range: With a Vcc/Vdd range of 7.6V to 18V, it is suitable for a variety of power supply applications.
• Frequency Control: The controller includes frequency control features, allowing for precise regulation and optimization of the switching frequency.
• High Duty Cycle: A maximum duty cycle of 96% ensures high efficiency and minimal power loss.
• Multiple Topologies: Supports boost, flyback, and forward converter topologies, providing flexibility in design and application.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Reliability: With an MSL of 1, the UCC28C43DG4 is highly reliable and suitable for surface-mount applications.

UCC28C43DG4 Applications

The UCC28C43DG4 is well-suited for a variety of applications due to its versatility and high performance:

• Power Supplies: Ideal for designing efficient power supplies with high switching frequencies and multiple topologies.
• Consumer Electronics: Suitable for applications requiring compact and efficient power management solutions.
• Industrial Equipment: Can be used in industrial applications where reliability and high efficiency are critical.
• Telecommunications: Ideal for telecom equipment that requires high-frequency switching and precise control.

Conclusion of UCC28C43DG4

The UCC28C43DG4 is a robust and versatile DC-to-DC switching controller that offers high efficiency and performance. Its wide supply voltage range, high switching frequency, and multiple topology support make it suitable for a variety of applications. The inclusion of frequency control and high duty cycle further enhance its performance. Although now obsolete, the UCC28C43DG4 remains a reliable choice for engineers and designers seeking a high-performance solution in their power management designs.

UCC28C43DG4 Documents

Download datasheets and manufacturer documentation for UCC28C43DG4

Datasheets :

UCC28C40-45, UCC38C40-45      

PCN Obsolescence/ EOL :

EOL Notice 21/Dec/2022      

HTML Datasheet :

UCC28C40-45, UCC38C40-45