LM2575D2T-3.3G

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575D2T-3.3G is a step-down switching regulator IC from the LM2575 series, manufactured by onsemi. It provides a fixed 3.3V output with a maximum current capability of 1A. The device operates within an input voltage range of 4.75V to 40V and utilizes a buck topology at a standard switching frequency of 52kHz. Designed for through-hole mounting, it is housed in a TO-220-5 package with formed leads. The component supports a junction temperature range from -40°C to +125°C and complies with RoHS3 standards.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 1A power switch for efficient step-down voltage regulation
• Includes internal frequency compensation to minimize external component count
• Features thermal shutdown protection for enhanced operational safety

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion modules
• Pre-regulator stages for linear regulators
• Battery-powered system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'D2T' against official datasheets to confirm surface-mount versus through-hole configuration discrepancies. Confirm RoHS3 compliance status directly with the manufacturer or authorized distributors. Ensure the selected variant matches the required pinout and thermal characteristics for the target PCB layout design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required with up to 1A load capacity. It is suitable for designs needing wide input voltage tolerance up to 40V. Consider the TO-220-5 package for applications requiring robust thermal dissipation and through-hole assembly processes.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575 family of SIMPLE SWITCHER power converters. These devices are designed to simplify the implementation of step-down switching regulators. The family offers fixed output voltages and adjustable versions, providing a cost-effective solution for various power management needs in industrial and consumer electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575T-3.3G

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the LM2575D2T-3.3G?

The device operates at a fixed switching frequency of 52kHz.

Does the LM2575D2T-3.3G include short-circuit protection?

Yes, the device incorporates cycle-by-cycle current limiting and thermal shutdown protection.