The STEVAL-ISA131V1 is a highly integrated and efficient evaluation board designed by STMicroelectronics, a leader in semiconductor solutions. This evaluation board showcases the performance and capabilities of the L7986A, a step-down switching regulator capable of delivering up to 3 A of continuous current to the load.

Key Features

• High Efficiency: The L7986A regulator operates at a switching frequency of 250 kHz, providing a high-efficiency power conversion that can reach up to 95%.
• Wide Input Voltage Range: This evaluation board is designed to handle a broad input voltage range from 4.5 V to 38 V, making it suitable for a variety of applications including industrial, automotive, and consumer electronics.
• Adjustable Output Voltage: The output voltage can be set from 0.8 V to the VIN value, ensuring flexibility and adaptability for different circuit requirements.
• Thermal Protection: The L7986A includes thermal shutdown and current limit features to protect the device under excessive load conditions.
• RoHS Compliant: The STEVAL-ISA131V1 is designed with environmental considerations in mind and complies with the RoHS directive.

Applications

• General purpose switching regulators
• Industrial power systems
• Automotive applications
• Consumer electronics
• Power management solutions

Design and Layout

The board layout is optimized to showcase the L7986A regulator's performance in a real-world scenario. It includes features such as ceramic capacitors for input and output filtering, which provide low ESR (Equivalent Series Resistance) and enhance the performance of the power conversion. The compact design of the STEVAL-ISA131V1 allows for easy integration into existing systems or for use in prototyping new applications.

Getting Started

The STEVAL-ISA131V1 comes with comprehensive documentation, including schematics, a bill of materials, and application notes, making it easy for engineers and designers to understand and utilize the board in their projects. It's an excellent tool for evaluating the L7986A regulator and for expediting the design process for power supply solutions.