LM2594M-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594M-5.0 is a fixed-frequency current-mode DC/DC step-down switching regulator manufactured by UMW. It operates at a switching frequency of 150 kHz and provides a fixed positive output voltage of 5 V with a maximum output current capability of 1.5 A. The device accepts an input voltage range from 4.5 V to 40 V. It utilizes an 8-SOIC package (3.90 mm width) for surface-mount installation. The component is designed for high-efficiency power conversion in compact applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 1.5 A power switch for efficient step-down voltage regulation
• Utilizes fixed 150 kHz switching frequency to minimize external component size
• Employs current-mode control architecture for rapid transient response

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive electronics power distribution systems
• Industrial point-of-load regulation modules
• Consumer electronic device power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation on the component marking, as UMW and Texas Instruments produce variants with identical part numbers but different internal specifications. Confirm the package type matches the required PCB footprint. Ensure the specific suffix or date code aligns with project requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from an input voltage up to 40 V. The 1.5 A current rating suits moderate load applications. Consider the 150 kHz frequency for balancing efficiency and passive component size. Verify thermal management capabilities for the SOIC-8 package under expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2594 series of switching regulators. It functions as a monolithic integrated circuit designed to simplify the design of step-down DC/DC converters. The series is widely recognized for its robustness and ease of implementation in various power supply architectures requiring regulated lower voltages from higher sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2594M-5.0/NOPB is a documented equivalent variant from Texas Instruments. Verify pin compatibility and electrical parameter alignment before substitution. Other LM2594 family members may serve as alternatives if output voltage or current requirements differ.