LM2575HVT-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVT-5.0 is a SIMPLE SWITCHER 1A step-down voltage regulator manufactured by Texas Instruments, designed for high-voltage input applications up to 60V. It operates with an input voltage range of 4V to 60V and provides a fixed 5V output at 1A. The device utilizes pulse-width modulation (PWM) control with a typical switching frequency of 52kHz. It is housed in a TO-220-5 through-hole package and supports an operating temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic power switch rated for 1A continuous load current
• Fixed 5V output option eliminates external feedback resistor requirements
• Internal frequency compensation simplifies minimum external component count
• Built-in thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring high input voltage tolerance
• Pre-regulators for downstream switching regulators
• Efficient buck converters for battery-powered equipment
• On-card regulation for bus voltages exceeding 30V

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required pinout and electrical characteristics. Confirm RoHS compliance status if environmental regulations apply to the end product. Check for obsolescence notices or lifecycle changes before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required with input voltages up to 60V. Ensure the application demands a maximum load current of 1A. Verify that the thermal environment allows for adequate heat dissipation given the TO-220 package constraints. Consider the 52kHz switching frequency regarding electromagnetic interference requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575 family of SIMPLE SWITCHER regulators, which are known for ease of use and robust performance. The HVT designation indicates high-voltage tolerance capabilities compared to standard variants. The T suffix specifies the through-hole TO-220 package style, distinguishing it from surface-mount SOT-223 alternatives.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575T-5.0/NOPB: Pin-compatible alternative with identical electrical specifications and fixed 5V output.