Texas Instruments

UCC28780D  

AC DC Converters, Offline Switches

UCC28780D Description

The UCC28780D is a highly efficient offline switch controller designed for flyback topology applications, manufactured by Texas Instruments. This device is optimized for surface-mount applications and offers robust fault protection mechanisms, making it ideal for a wide range of AC-DC conversion and offline switch applications. The UCC28780D is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations. It is available in a 16SOIC package and is REACH unaffected, RoHS3 compliant, and has a moisture sensitivity level (MSL) of 1, making it suitable for various manufacturing environments.

UCC28780D Features

The UCC28780D features a comprehensive set of technical specifications that enhance its performance and reliability. Key features include:

• Topology: Flyback, which is ideal for isolated power supplies and ensures high efficiency and compact design.
• Frequency - Switching: Capable of operating up to 1MHz, allowing for high-frequency switching and reduced component size.
• Fault Protection: Comprehensive protection mechanisms against over current, over temperature, over voltage, and short circuit, ensuring robustness and reliability.
• Voltage - Start Up: Requires a minimum of 17.5V for startup, ensuring stable operation under varying input conditions.
• Voltage - Supply (Vcc/Vdd): Operates within a wide range of 12V to 34V, providing flexibility in power supply design.
• Output Isolation: Isolated output, which is crucial for safety and noise reduction in power supply applications.
• Internal Switch(s): No internal switch, allowing for flexibility in external switch selection and optimization for specific applications.

UCC28780D Applications

The UCC28780D is well-suited for a variety of applications due to its high efficiency, robust protection features, and flexible design. Ideal use cases include:

• Consumer Electronics: Power supplies for TVs, monitors, and other consumer devices where compact size and high efficiency are critical.
• Industrial Equipment: Power supplies for industrial control systems, where reliability and robustness are paramount.
• Medical Devices: Power supplies for medical equipment, where isolation and safety are essential.
• Telecommunications: Power supplies for telecom infrastructure, where high efficiency and compact design are required.

Conclusion of UCC28780D

The UCC28780D from Texas Instruments is a versatile and reliable offline switch controller designed for flyback topology applications. Its high-frequency switching capability, comprehensive fault protection, and wide operating voltage range make it an excellent choice for a variety of power supply applications. The device's compliance with international regulations and standards ensures ease of integration into global markets. Whether used in consumer electronics, industrial equipment, medical devices, or telecommunications, the UCC28780D offers a robust and efficient solution for power supply design.

UCC28780D Documents

Download datasheets and manufacturer documentation for UCC28780D

Datasheets :

UCC28780 Datasheet      

HTML Datasheet :

UCC28780 Datasheet