The STEVAL-ISA031V1 from STMicroelectronics is a highly efficient, compact, and versatile evaluation board designed for power supply solutions. This evaluation board is specifically tailored for testing and evaluating the performance of the L7986A, a step-down switching regulator that delivers up to 3 A of continuous current to the load.

Key Features

• Adjustable Output Voltage: The board allows for an adjustable output voltage range from 1.235 V to 35 V, which can be set using external resistors.
• 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%.
• Thermal Protection: The evaluation board includes thermal shutdown and current limit features, ensuring safe operation under various conditions.
• Wide Input Voltage Range: The device can handle an input voltage from 4.5 V to 38 V, making it suitable for a broad range of applications, including industrial and automotive systems.

Applications

The versatility of the STEVAL-ISA031V1 makes it an ideal choice for developing a wide array of power supply applications. It is particularly useful for:

• Industrial power supplies
• Automotive battery regulation
• Consumer electronics
• Distributed power architectures

Design and Ease of Use

The board is designed with simplicity in mind, providing easy access to all the test points necessary for thorough evaluation. It includes an array of features to facilitate development, such as LED indicators for power and enable signal, as well as jumpers for easy configuration changes.

Support and Documentation

STMicroelectronics provides comprehensive support for the STEVAL-ISA031V1, including detailed documentation, reference design files, and technical notes to assist developers in getting up to speed quickly and integrating the board into their projects with minimal effort.