The STEVAL-ISA143V1 is a highly efficient and feature-packed evaluation board from STMicroelectronics designed for power management applications. This evaluation board is based on the L7987, a high-performance 61 V, 3 A step-down switching regulator with a wide input voltage range and reduced power consumption, making it ideal for a variety of industrial, consumer, and telecommunication applications.

Key Features

• High Efficiency: The L7987 regulator provides a high efficiency of up to 95%, which is crucial for minimizing heat generation and improving system reliability.
• Wide Input Voltage Range: With an input voltage range from 4.5 V to 61 V, the STEVAL-ISA143V1 is versatile and can accommodate a wide range of supply voltages.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8 V to VIN, allowing for great flexibility in application design.
• High Switching Frequency: The L7987 allows for a switching frequency up to 1 MHz, which enables the use of small-sized filtering components, thus reducing overall board space.
• Thermal Protection: The board comes with thermal shutdown protection to prevent damage from overheating.

Applications

The STEVAL-ISA143V1 is suitable for a range of applications, including but not limited to:

• Industrial power supplies
• Consumer electronics
• Telecommunication devices
• Computer peripherals
• Networking equipment

Design and Support

The evaluation board is designed to facilitate the testing and development of circuits using the L7987 regulator. It includes features such as an enable pin for power sequencing, soft-start, and an overcurrent protection circuit. The STEVAL-ISA143V1 is supported by comprehensive documentation, including schematics, a bill of materials, and application notes, which helps to accelerate the design process and reduce time to market.