LM2574HVMX-5.0/ELLI947

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574HVMX-5.0/ELLI947 is a Buck Switching Regulator IC from Texas Instruments, providing a fixed positive output of 5V at up to 500mA. It operates within an input voltage range of 4V to 60V and features a switching frequency of approximately 52kHz to 58kHz. The device is housed in a 14-SOIC package with a width of 7.50mm. It supports surface mount installation and functions across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient step-down voltage regulation
• Fixed 5V output configuration suitable for standard logic supplies
• High input voltage capability supporting wide input ranges

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC-DC conversion modules
• Pre-regulation stages for linear regulators
• General-purpose power supply circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the ELLI947 suffix indicates prototype or specific lot status. Confirm RoHS compliance and lead-free status against current datasheets. Ensure the SOIC-14 package dimensions match board layout requirements. Check for moisture sensitivity classification before reflow soldering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high input voltage tolerance up to 60V. The fixed 5V output simplifies design by reducing external resistor networks. Consider the 500mA current limit when sizing thermal management solutions. Verify compatibility with the required switching frequency for filter component selection.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574x SIMPLE SWITCHER family, known for ease of use and minimal external components. The HVM variant specifically denotes high-voltage input capability compared to standard versions. It serves as a robust solution for industrial and commercial power systems requiring reliable step-down conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM2574HVMX-5.0/NOPB and LM2574MX-5.0/NOPB. Verify pinout compatibility and thermal performance characteristics. Ensure the replacement matches the 14-SOIC package and 5V fixed output specification.