LM2575S-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575S-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER® step-down voltage regulator in a TO-263 package. It operates with an input voltage range of 4V to 40V and delivers up to 1A output current. The adjustable output voltage spans from 1.23V to 37V. Key electrical parameters include a typical switching frequency of 52kHz, a maximum static current of 10mA, and an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated fixed-frequency oscillator for simplified design
• Built-in thermal shutdown and cycle-by-cycle current limiting
• External shutdown capability with low standby current
• Compatible with standard off-the-shelf inductors

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems
• On-card regulation modules
• Efficient linear regulator replacements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the component marking against the official datasheet to confirm authenticity. Ensure the suffix NOPB indicates lead-free compliance and RoHS standards. Check for moisture sensitivity level (MSL) requirements during storage and handling to prevent damage before soldering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a buck topology is required for inputs up to 40V. It serves as a direct replacement for common three-terminal linear regulators where reduced heat dissipation is critical. Consider the TO-263 package for surface-mount assembly needs.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2575 series of monolithic integrated circuits designed for buck converters. It provides all active functions necessary for switching regulators, including a built-in frequency compensator. The series is known for requiring minimal external components compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575T-ADJ/NOPB offers identical electrical specifications but utilizes a TO-220 through-hole package instead of the surface-mount TO-263 form factor.