LM2575BWM

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575BWM is a monolithic integrated circuit providing step-down (buck) switching regulator functions. It delivers an adjustable output voltage ranging from 1.23V to 37V with a maximum load current of 1A. The device operates with an input voltage range of 4V to 40V and features a fixed switching frequency of 52kHz. It utilizes pulse width modulation control mode and includes internal frequency compensation. The component is housed in a 24-SOIC package and supports surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides simple buck conversion topology requiring minimal external components
• Includes internal frequency compensation for stable operation
• Supports adjustable output voltage configuration via external resistors

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems
• On-card regulation modules
• Efficient pre-regulators for linear regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and manufacturer source carefully, as this part number may be discontinued or superseded by newer revisions. Confirm RoHS compliance status against the latest datasheet, as older batches may differ. Ensure the supplier provides valid traceability documentation. Cross-reference the exact package dimensions and pinout with the official Microchip specification sheet before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an adjustable output voltage between 1.23V and 37V is required at up to 1A load. It is suitable for applications needing a 52kHz switching frequency to balance efficiency and component size. Consider the 24-SOIC package constraints for thermal management and PCB layout. Verify that the input voltage range of 4V to 40V aligns with the system power source requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575 series of simple 1A step-down SMPS regulators. The series offers both fixed and adjustable output versions. The BWM variant specifically denotes the adjustable output type in a 24-pin SOIC package. It is designed for high-efficiency DC-DC conversion in compact power supply designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575YWM is listed as a parameter equivalent alternative. Other potential substitutes include Texas Instruments parts like LM2575M-ADJ/NOPB. Verify electrical compatibility and pinout alignment before substitution.