STEVAL-ISA042V1 - 3.3V/3A Output, Step-Down Switching Regulator Evaluation Board from STMicroelectronics

The STEVAL-ISA042V1 evaluation board is a highly efficient tool designed by STMicroelectronics for professionals and electronics enthusiasts to assess the performance of the L7986A, a step-down switching regulator capable of delivering up to 3A of current with an output voltage of 3.3V. This evaluation board provides an excellent platform for testing and prototyping applications that require a compact, high-efficiency power solution.

The board is built around the L7986A regulator, which operates over a wide input voltage range from 4.5V to 38V, making it suitable for a variety of input sources, including industrial levels and battery-powered applications. The L7986A integrates a 30 mΩ high-side switch and operates at a 250 kHz switching frequency, which allows for a reduced-size power filter, thus saving space and cost.

Key features of the STEVAL-ISA042V1 include:

• 3.3V regulated output voltage
• Up to 3A output current
• 4.5V to 38V wide input voltage range
• High-efficiency step-down switching through the L7986A regulator
• Adjustable switching frequency up to 1 MHz
• Thermal shutdown and overcurrent protection
• RoHS compliant

The evaluation board comes with several protection features ensuring the longevity and reliability of your applications. These include thermal shutdown to prevent overheating, overcurrent protection to safeguard against excessive current draw, and short-circuit protection.

Designed with flexibility in mind, the STEVAL-ISA042V1 allows for easy adjustments and enables engineers to fine-tune the switching frequency up to 1 MHz with external synchronization. This feature is particularly useful for optimizing efficiency and reducing electromagnetic interference in noise-sensitive applications.

The compact size and comprehensive features of the STEVAL-ISA042V1 make it an ideal choice for a wide range of applications, including industrial power supplies, consumer electronics, and telecommunications equipment.

With the STEVAL-ISA042V1 evaluation board, STMicroelectronics continues to demonstrate its commitment to providing innovative, high-quality components for the electronics industry, helping designers to reduce development time and accelerate time-to-market for their products.