LM2574HVMX-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574HVMX-5.0 is a SIMPLE SWITCHER 0.5A step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range up to 60V and provides a fixed 5.0V output at 500mA. The device utilizes a buck topology with a switching frequency of approximately 52kHz. It is housed in a 14-pin SOIC-Wide package (SOIC-14) designed for surface mount applications. The component supports operation across a temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch eliminates the need for external components.
• Fixed output voltage options ensure consistent regulation without feedback resistor adjustments.
• Internal frequency compensation simplifies design and reduces external component count.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion modules
• Pre-regulator stages for linear regulators
• Battery-powered equipment power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation, as ordering codes may include variations such as NOPB or tape/reel indicators that affect packaging but not electrical function. Confirm the manufacturer source directly through authorized channels to ensure authenticity. Cross-reference the datasheet revision date to validate parameter accuracy before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltages exceed standard 40V limits, requiring the HV variant capability. Ensure the required output current remains within the 500mA continuous limit. Verify thermal management requirements for the SOIC-14 package under maximum load conditions. Compare against standard LM2574 models if input voltage constraints allow for lower cost alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574HV series, distinguished by its extended input voltage rating compared to the standard LM2574. It is part of the SIMPLE SWITCHER family, which integrates control logic and power switches into a single monolithic IC. The series is widely used for efficient step-down conversion in industrial and consumer electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM2574HVMX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The LM2574HVMX-5.0 supports a maximum input voltage of 60V, distinguishing it from the standard 40V rated LM2574.

Does this device require external feedback resistors for voltage setting?

No, the '-5.0' designation indicates a fixed 5.0V output version, eliminating the need for external feedback resistor networks.