LM2575HVT-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVT-5.0/NOPB is a monolithic integrated circuit from Texas Instruments designed as a step-down switching voltage regulator. It operates with an input voltage range of 4 V to 60 V and provides a fixed 5 V output capable of driving up to 1 A load current. The device utilizes a TO-220-5 through-hole package and features a typical switching frequency of 58 kHz. It includes built-in frequency compensation, thermal shutdown, and cycle-by-cycle current limiting for robust performance across operating temperatures from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 5.0 V output voltage with high line and load regulation accuracy
• Integrated thermal shutdown and cycle-by-cycle current limit protection
• Simplified design with minimal external component requirements
• Built-in oscillator and frequency compensation for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• General-purpose DC-DC step-down power supplies
• Pre-regulator circuits for linear regulators
• Efficient battery-powered systems requiring wide input ranges
• Industrial control system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix NOPB to ensure lead-free compliance and specific packaging configuration. Confirm that the TO-220-5 through-hole package matches your PCB footprint requirements. Cross-reference the manufacturer datasheet for the latest electrical characteristics and thermal derating curves before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required with input voltages up to 60 V. It serves as a direct replacement for standard three-terminal linear regulators in applications where efficiency and reduced heat dissipation are critical. Ensure the load current does not exceed 1 A and verify that the switching frequency aligns with available inductor options for optimal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2575 series of SIMPLE SWITCHER power converters. It is engineered to replace traditional linear regulators, offering significantly higher efficiency and reduced thermal management needs. The series is known for its ease of use, requiring few external components while providing reliable performance in various industrial and commercial power supply designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional substitutes within the same family include LM2575T-5.0/NOPB and LM2575SX-5.0/NOPB, which offer identical electrical specifications but differ in package type (TO-220 vs. SMD). When replacing, ensure the new package variant fits the existing board layout or adjust the PCB design accordingly.