EA8897

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EA8897 is a highly integrated evaluation board for DC/DC & AC/DC (Off-Line) Switch Mode Power Supplies (SMPS). It is capable of providing a complete evaluation platform that covers a wide range of SMPS applications such as: AC/DC with Active Clamp, AC/DC Flyback, DC/DC LLC/Flyback, DC/DC CCM/Flyback and DC/DC SEPIC.

The EA8897 board is based on Fairchild’s Integrated PowerStage™, which is an AC/DC off-line flyback power supply controller and driver. The board uses a Flyback topology with ActiveClamp technology for cost efficient, small form factor designs. The application is a low-cost 24V DC/DC as well as an AC/DC off-line Flyback SMPS that operates with either AC or DC inputs and has output voltage/current limit and overload protection. The device can operate with input voltages up to 400VAC.

The EA8897 is intended to simplify the design process and make the task of developing a power supply fast and easy. It includes all commonly used peripheral components, such as power inductors, primary and secondary capacitors, as well as low RDS(on) FETs. This allows the designer to design a complete power supply system in the shortest time possible.

The primary goal of this evaluation board is to provide design engineers with a platform to quickly evaluate all parameters of performance, while reducing the time and cost associated with the design process. It simplifies the development of a power supply by enabling a single platform for a variety of topologies. This evaluation board also helps to ensure that the power supply designs are optimized for efficiency and reliability.

The EA8897 enables efficient development of high performance designs that meet the various standards and regulations of today’s high-efficiency power supply applications. The evaluation board supports a large variety of voltages and currents, and also includes many EEPROMs that allow multiple parameters to be saved and reused during the design process. This allows designers to quickly switch between different topologies and configurations, without having to go back into the design process each time.

The EA8897 also offers multiple control and protection features such as brown-in/out, line under/overvoltage, open-loop, overvoltage protection, short-circuit protection, and overtemperature protection. This helps to ensure a reliable and safe power supply operation. In addition, the evaluation board supports graphical analysis with an oscilloscope, enabling the user to easily monitor and view the power supply’s operation.

Overall, the EA8897 evaluation board provides a cost-effective and efficient platform for developing and testing a variety of SMPS applications. The board’s integrated components make it possible to quickly and easily evaluate a power supply. Additionally, it features a range of protection and control features that ensure a reliable and safe power supply operation. It also includes an oscilloscope for graphical analysis, which makes it easy to monitor the power supply performance in real time. Thus, the EA8897 makes a great choice for any designer looking to develop a DC/DC & AC/DC (Off-Line) SMPS quickly and cost-effectively.

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