LM2671M-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2671M-12 is a fixed-output step-down switching regulator from Texas Instruments, delivering a stable 12V output at up to 500mA. It operates with an input voltage range of 6.5V to 40V and features a fixed switching frequency of 260kHz. The device utilizes a buck topology within an 8-pin SOIC package. Designed for high efficiency reaching up to 96%, it requires only five external components for implementation. The unit supports operation across a temperature range of -40°C to +125°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• High conversion efficiency up to 96% for optimized power usage
• Simplified design architecture requiring minimal external components
• Integrated internal switch capable of handling 500mA load current

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring efficient voltage regulation
• General-purpose step-down DC-DC conversion in industrial equipment
• Portable electronics utilizing single-cell or multi-cell battery sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'M-12' confirms the fixed 12V output variant rather than adjustable versions. Ensure the package designation matches the required 8-SOIC footprint for PCB layout compatibility. Confirm RoHS compliance status if environmental regulations apply to the final assembly. Cross-reference the manufacturer part number against distributor listings to ensure authenticity and traceability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V rail is needed from higher voltage inputs between 6.5V and 40V. It is suitable for applications prioritizing simplicity and high efficiency over programmable output flexibility. Consider the thermal performance within the 8-SOIC package for heat dissipation requirements. This regulator is ideal for designs where minimizing external component count reduces board space and complexity.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2671 belongs to TI's SIMPLE SWITCHER family, known for integrated power switches and simplified control loops. The 'M' indicates the SOIC package option, while '-12' specifies the fixed 12V output version. This series replaces older linear regulators by offering significantly higher efficiency, reducing heat generation in compact electronic designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2671M-ADJ serves as a functional alternative if adjustable output voltage is required instead of the fixed 12V configuration. Other members of the LM2671 series may offer different output voltages or package types. Verify pinout compatibility and thermal characteristics when substituting with similar buck converters from other manufacturers.