Texas Instruments

UCC28700DBVR  

AC DC Converters, Offline Switches

UCC28700DBVR Description

The UCC28700DBVR is a high-performance offline switcher flyback controller designed for a wide range of power management applications. Manufactured by Texas Instruments, this device is part of the Power Management (PMIC) category and is housed in a compact SOT23-6 package. The UCC28700DBVR is specifically engineered to provide efficient power conversion with minimal external components, making it ideal for space-constrained designs.

UCC28700DBVR Features

• Topology: The UCC28700DBVR utilizes a flyback topology, which is highly efficient and suitable for isolated power supplies. This topology ensures high reliability and robust performance.
• Mounting Type: Surface Mount technology (SMT) allows for easy integration into modern PCB designs, enhancing both flexibility and scalability.
• Product Status: The UCC28700DBVR is an active product, ensuring long-term availability and support from Texas Instruments.
• Internal Switch: The absence of an internal switch provides designers with the flexibility to choose an external switch that best fits their specific application requirements.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting and over-voltage protection, safeguard the device and connected circuits from potential damage.
• Frequency - Switching: A wide switching frequency range of 1kHz to 130kHz allows for optimization of efficiency and performance across various operating conditions.
• REACH Status: The UCC28700DBVR is REACH unaffected, ensuring compliance with stringent environmental regulations.
• Voltage - Start Up: A start-up voltage of 21V ensures reliable operation under varying input conditions.
• Mfr: Texas Instruments, a leading semiconductor company known for its innovation and reliability.
• HTSUS: The HTSUS code 8542.39.0001 facilitates accurate classification for customs and regulatory purposes.
• Package: The Tape & Reel (TR) packaging option simplifies handling and assembly in automated manufacturing processes.
• Output Isolation: The isolated output design ensures safety and reliability in applications where galvanic isolation is critical.
• Voltage - Supply (Vcc/Vdd): A wide supply voltage range of 9V to 35V provides compatibility with various input power sources.
• RoHS Status: The UCC28700DBVR is ROHS3 compliant, ensuring it meets the latest environmental standards for hazardous substances.
• Base Product Number: UCC28700, which is a well-established and trusted series within the industry.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, reducing the risk of damage during storage and assembly.

UCC28700DBVR Applications

The UCC28700DBVR is ideal for a variety of applications where efficient power conversion and compact design are critical. Some specific use cases include:

• Adaptive Power Supplies: The wide input voltage range and flexible design make it suitable for adaptive power supplies that need to operate across different voltage levels.
• Isolated Power Modules: The isolated output feature is particularly beneficial for applications requiring galvanic isolation, such as medical equipment and industrial control systems.
• Consumer Electronics: The compact SOT23-6 package and surface mount technology make it ideal for consumer electronics where space is at a premium.
• Telecommunications: The robust fault protection and wide operating frequency range ensure reliable performance in telecom infrastructure.

Conclusion of UCC28700DBVR

The UCC28700DBVR from Texas Instruments stands out as a versatile and reliable offline switcher flyback controller. Its wide range of technical specifications, including a broad switching frequency, comprehensive fault protection, and flexible mounting options, make it an excellent choice for a variety of power management applications. The device's compliance with environmental standards and its robust design ensure long-term reliability and ease of integration. Whether for adaptive power supplies, isolated power modules, consumer electronics, or telecommunications, the UCC28700DBVR offers a high-performance solution that meets the demands of modern electronics.

UCC28700DBVR Documents

Download datasheets and manufacturer documentation for UCC28700DBVR

Datasheets :

UCC2870x      

Design Resources :

UCC28700 Design with WEBENCH® Power Designer