Introducing the FSFR2100U from ON Semiconductor

The FSFR2100U is a highly integrated power switch designed by ON Semiconductor for high-efficiency power supplies. This advanced component is part of ON Semiconductor's FSFR-series of Fairchild Power Switch (FPS™) products, which are known for their exceptional performance in resonant switch-mode power supplies. The FSFR2100U is particularly suited for half-bridge resonant converters, providing a reliable and efficient solution for a wide range of applications including televisions, monitors, audio systems, and industrial power systems.

Key Features

• High-Performance Operation: The FSFR2100U is capable of high-frequency operation up to 300 kHz, which allows for smaller and lighter power supply designs by reducing the size of transformers and other components.
• Integrated Power MOSFETs: This device includes high-voltage power MOSFETs that are optimized for minimal conduction and switching losses, enhancing overall system efficiency.
• Advanced Protection Features: It comes with comprehensive protection features such as over-voltage protection, over-current protection, and over-temperature protection, ensuring the longevity and safety of both the power supply and the end application.
• Variable Frequency Control: The FSFR2100U employs variable frequency control with quasi-resonant operation, which helps to minimize electromagnetic interference (EMI) and optimize efficiency across different load conditions.

Design Flexibility

The FSFR2100U is designed to offer designers the flexibility they need to create power supplies that meet specific requirements. With its adjustable dead time control, designers can fine-tune the performance of their power supply to achieve optimal efficiency. The built-in high-voltage startup circuit simplifies the design by reducing the number of external components required.

Applications

Due to its versatility and high efficiency, the FSFR2100U is ideal for a variety of applications. It is particularly useful in power supplies for flat-panel display TVs, high-performance audio systems, and any other application that requires a reliable and efficient power conversion solution.

With the FSFR2100U, ON Semiconductor continues its tradition of providing innovative, high-quality components for power supply solutions. This power switch is a testament to the company's commitment to delivering products that enhance performance while ensuring energy savings and system reliability.