L7980A

Voltage Regulators - DC DC Switching Regulators Overview

The STEVAL-ISA092V1 is a demonstration board designed for the L7980A step-down switching regulator. It supports an input voltage range of 4.5 V to 28 V and provides a fixed output voltage of 3.3 V with a maximum output current of 2 A. The board utilizes the L7980 device, which features an internal 250 kHz switching frequency oscillator adjustable up to 1 MHz. This evaluation platform allows engineers to verify the performance of the power management IC under specified operating conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Evaluates the L7980A step-down switching regulator
• Demonstrates 2 A DC output capability
• Supports wide input voltage range from 4.5 V to 28 V

Voltage Regulators - DC DC Switching Regulators Applications

• Evaluation of L7980A switching regulator performance
• Verification of 2 A step-down power supply designs
• Testing of voltage regulation within specified input ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific order corresponds to the STEVAL-ISA092V1 demonstration board model rather than the standalone L7980A integrated circuit. Confirm compatibility with the intended evaluation setup and ensure the documentation matches the revision level required for the design phase. Check manufacturer specifications for any updates regarding the included components or board layout changes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this board specifically for evaluating the L7980A component's behavior in a buck converter topology. It is suitable for applications requiring a fixed 3.3 V output derived from a 4.5 V to 28 V input source. Engineers should consider this tool when validating thermal performance and efficiency metrics for the embedded power MOSFET under load conditions defined by the datasheet.

Voltage Regulators - DC DC Switching Regulators Part Context

This item belongs to STMicroelectronics' portfolio of Power Management IC Development Tools. It serves as a hardware reference for the L7980 series, providing a standardized environment to test the regulator's capabilities. The board is part of the STEVAL-ISA series, which focuses on demonstrating various power conversion topologies and component functionalities for system designers.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

No public confirmed substitute part numbers are available for this specific demonstration board model.