The STEVAL-ISA098V1 from STMicroelectronics is a state-of-the-art power management integrated circuit (IC) development tool designed for engineers and developers who are looking to explore and prototype advanced power solutions. This evaluation board is specifically tailored for the testing and evaluation of the L7987, a high-efficiency, 2A step-down switching regulator in an HSOP8 package with exposed pad.

The STEVAL-ISA098V1 board operates over a wide input voltage range from 4.5V to 61V, making it suitable for a variety of applications, including industrial, consumer, and automotive sectors. It features an adjustable output voltage that can be set from 0.8V to VIN, providing the flexibility needed for today's dynamic power requirements.

With its high switching frequency, configurable up to 1.5MHz, the board allows the use of small surface-mount inductors and capacitors, thereby reducing the overall solution size and enhancing the power density. Moreover, the L7987 regulator includes a pulse-skipping mode that improves efficiency at light loads, making it an excellent choice for energy-saving applications.

The evaluation board includes several key features to facilitate development:

• On-board jumper settings for enabling/disabling the regulator and selecting different operational modes
• LED indicators for visual feedback on the operational status
• Test points for easy measurement of input and output voltages, currents, and other key signals
• Thermal protection and overcurrent protection for enhanced safety and reliability

Additionally, the STEVAL-ISA098V1 is equipped with EMI filtering and is designed to meet EN55022 Class B emissions standards, ensuring that the developed solutions can comply with regulatory requirements.

This evaluation board is an indispensable tool for designers looking to quickly and efficiently prototype power solutions using the L7987 regulator. With its robust feature set and flexible design, the STEVAL-ISA098V1 helps accelerate the development cycle and brings products to market faster.