Texas Instruments

UCC28712D  

AC DC Converters, Offline Switches

UCC28712D Description

The UCC28712D is a highly efficient offline switch designed for flyback topology applications. Manufactured by Texas Instruments, this device is part of the AC-DC Converters and Offline Switches category. It is housed in a 7SOIC package and is available in a tube package type. The UCC28712D is designed for surface mount applications and is currently in an active product status, ensuring its availability for new designs.

This offline switch is characterized by its wide switching frequency range of 680 Hz to 100 kHz, which provides flexibility in designing power supplies with varying output requirements. The device operates with a supply voltage (Vcc/Vdd) range of 9V to 35V, making it suitable for a broad range of input voltage levels. The UCC28712D also features a start-up voltage of 21V, ensuring reliable operation under various input conditions.

UCC28712D Features

The UCC28712D offers several key features that set it apart from similar models:

• Topology: Flyback topology ensures efficient power conversion with minimal component count.
• Mounting Type: Surface mount technology (SMT) allows for compact and reliable integration into modern PCB designs.
• Fault Protection: The device includes current limiting and over-voltage protection, safeguarding the circuit from potential damage due to transient conditions.
• Frequency Range: A wide switching frequency range of 680 Hz to 100 kHz provides flexibility in optimizing efficiency and performance.
• Compliance: The UCC28712D is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Output Isolation: The device offers isolated output, which is crucial for applications requiring galvanic isolation between input and output.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device can be stored and handled without special moisture protection measures.

UCC28712D Applications

The UCC28712D is ideal for a variety of applications, including:

• Power Supplies: Suitable for designing efficient power supplies with isolated outputs, such as those used in consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: The device's wide input voltage range and efficient operation make it well-suited for universal AC-DC adapters and chargers.
• LED Lighting: The UCC28712D can be used in LED driver applications, providing a reliable and efficient power solution for lighting systems.
• Telecommunications: The device's robustness and compliance with regulatory standards make it suitable for telecom equipment power supplies.

Conclusion of UCC28712D

The UCC28712D from Texas Instruments is a versatile and reliable offline switch designed for flyback topology applications. Its wide switching frequency range, robust fault protection, and compliance with environmental and regulatory standards make it an excellent choice for a variety of power supply applications. The device's surface mount technology and compact package allow for easy integration into modern designs, while its isolated output ensures safe and efficient power delivery. Whether used in power supplies, adapters, LED lighting, or telecom equipment, the UCC28712D offers a high-performance solution that meets the demands of today's electronics industry.

UCC28712D Documents

Download datasheets and manufacturer documentation for UCC28712D

Datasheets :

UCC28710-15 Datasheet      

HTML Datasheet :

UCC28710-15 Datasheet