LM2575T-ADJG

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575T-ADJG is a monolithic integrated circuit step-down switching regulator manufactured by onsemi. It operates as a Buck converter with an adjustable output voltage range of 1.23V to 37V and supports a maximum output current of 1A. The device utilizes a fixed 52kHz internal oscillator and accepts input voltages up to 40V. Designed for through-hole mounting, it features a TO-220-5 package. Key electrical specifications include a typical efficiency of 77%, a ripple and noise level of 20mV peak-to-peak, and an operating temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a fixed-frequency 52kHz oscillator for simplified external component requirements
• Includes built-in thermal shutdown and per-cycle current limiting for system protection
• Supports external shutdown control to minimize standby power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring buck conversion
• Pre-regulator circuits for switching regulators
• Efficient linear regulator replacements in low-power applications

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ADJG' against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS compliance status. Ensure the procurement channel provides original packaging documentation. Cross-reference the part number with official distributor databases to validate authenticity and traceability before finalizing orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, single-inductor buck topology is required for 1A loads. The adjustable output variant offers flexibility for non-standard voltage rails. Consider the TO-220 package for ease of manual assembly or prototyping where surface mount technology is not mandated.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575 series of switching regulators, which are designed to replace traditional three-terminal linear regulators. The series provides essential active functions for step-down conversion, including frequency compensation and fixed-frequency oscillation, allowing for minimal external component counts compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575TV-012G serves as a manufacturer-recommended alternative within the same family.