STEVAL-ISA102V2 - STMicroelectronics

The STEVAL-ISA102V2 is a highly integrated evaluation board designed by STMicroelectronics for the purpose of showcasing the performance and features of the L7987, a 61 V, 3 A step-down switching regulator with a wide input voltage range and low R<sub>DS(on) power switches. The board is an ideal solution for those looking to implement a robust power supply in industrial, automotive, and consumer applications where efficiency and reliability are critical.

This evaluation board is designed with a compact layout, which enables designers to efficiently evaluate the L7987 regulator's capabilities in a real-world circuit. The STEVAL-ISA102V2 supports a wide input voltage range from 4.5 V to 61 V, making it versatile for various applications that require a stable and reliable voltage supply. The output voltage can be adjusted from 0.8 V to VIN, providing flexibility to power a broad range of devices.

The onboard L7987 is a high-performance regulator that operates at a switching frequency of up to 1 MHz, allowing the use of small-sized external components, thereby reducing the overall solution size and bill of materials. The high efficiency of the L7987 minimizes the need for heat sinking, which is beneficial in space-constrained designs.

Key features of the STEVAL-ISA102V2 include thermal protection, overcurrent protection, and a power-good signal that provides real-time feedback on the status of the output voltage. This makes the board not only powerful but also safe for critical applications. Additionally, the board offers flexibility with enable and soft-start pins for controlled startup sequences.

The evaluation board is equipped with test points that facilitate easy probing of all critical signals and power paths, which is essential for design verification and testing. For developers and engineers looking to quickly prototype with the L7987 regulator, the STEVAL-ISA102V2 provides a comprehensive and user-friendly platform that accelerates the development process and helps bring products to market faster.