LM2576S-5.0-EV

Voltage Regulators - DC DC Switching Regulators Overview

The LM2576S-5.0-EV is a fixed-output step-down switching regulator IC manufactured by EVVO, belonging to the LM2576 series. It provides a regulated 5.0V output with a maximum load current of 3A. The device operates from an input voltage range up to 40V and utilizes a buck topology for efficient DC-DC conversion. Designed for surface-mount applications, it is housed in a TO-263-5L (D2PAK) package. The internal oscillator switches at a frequency of 52kHz, enabling compact external component sizing. It supports positive output configuration and functions within an ambient temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3A power switch for high-current step-down regulation
• Includes internal frequency compensation for simplified circuit design
• Features thermal shutdown protection for operational safety

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion modules
• Pre-regulator stages for linear regulators
• Efficient battery-powered systems requiring 5V supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation on the component marking against EVVO specifications. Confirm the suffix matches the required output voltage and package variant. Ensure RoHS compliance status aligns with project requirements. Cross-reference the datasheet revision date to validate parameter accuracy before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from higher input voltages up to 40V. It is suitable for designs needing up to 3A continuous current in a surface-mount form factor. Consider the 52kHz switching frequency for trade-offs between component size and electromagnetic interference. Verify that the thermal performance of the TO-263-5L package meets the system's heat dissipation needs under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part is part of the LM2576 family of SIMPLE SWITCHER power converters. These devices are widely recognized for their ease of use and robust performance in general-purpose power supply applications. The LM2576 series offers various fixed output voltages to accommodate different subsystem requirements without complex feedback network calculations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Compatible replacements include LM2576S-5.0 from Texas Instruments or National Semiconductor equivalents. Verify pinout compatibility and electrical parameters such as output voltage tolerance and maximum current rating before substitution.