LM2575HVS-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVS-5.0 is a monolithic integrated circuit from the SIMPLE SWITCHER family, functioning as a 1A step-down voltage regulator with a fixed 5.0V output. It operates within an input voltage range of 4V to 60V and supports a maximum output current of 1A. The device utilizes a buck topology with a typical switching frequency of 52kHz. It is housed in a TO-263-5 (D2PAK) surface-mount package and is rated for an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch eliminates the need for external blocking diodes.
• Fixed internal oscillator allows for simplified design using standard passive components.
• Thermal shutdown protection safeguards the device against excessive junction temperatures.
• Current limit control provides inherent protection during short-circuit or overload conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for distributed power architectures
• Standard 12V or 24V bus conversion systems
• Pre-regulation stages for switching regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify manufacturer origin carefully, as UMW may represent a secondary source or alternative fabrication line compared to Texas Instruments. Confirm RoHS compliance status and lead times directly with suppliers. Ensure the specific suffix matches the required pinout and thermal characteristics for your PCB footprint.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from higher voltage rails up to 60V. The TO-263-5 package offers superior thermal dissipation compared to smaller SMD options. Consider the 52kHz switching frequency for balancing EMI performance and external component size requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575HV series, designed specifically for high-input voltage applications exceeding the limits of standard LM2575 devices. It serves as a robust solution for industrial and automotive environments where wide input ranges and high reliability are critical for power management stability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct equivalents include the LM2575HVS-5.0/NOPB from Texas Instruments. Verify pin compatibility and thermal pad specifications before substitution. Alternative sources may require validation of electrical parameter tolerances and packaging quality.