LM2674M-12/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2674M-12/NOPB is a Texas Instruments fixed-output step-down DC-DC converter. It operates with an input voltage range of 8 V to 40 V and provides a fixed 12 V output at up to 500 mA. The device features a switching frequency of 275 kHz and achieves efficiency up to 90%. It is housed in an 8-pin SOIC surface-mount package (SOP-8) and supports an operating temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side switch eliminates the need for external diodes
• Fixed output voltage options simplify circuit design
• Internal frequency compensation reduces external component count
• Thermal shutdown protects against overheating

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient voltage conversion
• Industrial control system power supplies
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix matches the required output voltage and package type. Confirm RoHS compliance status through official manufacturer documentation. Ensure the ordering part number aligns with the intended thermal performance and pin configuration for your PCB layout requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12 V output is required from a higher input rail. Consider the 500 mA current limit and 275 kHz switching frequency for filter component sizing. Evaluate the SOIC package thermal characteristics against your board's heat dissipation capabilities and ambient operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2674 family of simple switcher regulators. It shares architectural similarities with other members like the LM2674N but differs in package style. The family is designed for straightforward buck conversion applications where minimal external components are preferred for cost and space efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM2674M-12/NOPB variants from other manufacturers if pin-compatible. Verify electrical parameters such as input voltage range, output current capability, and switching frequency match before integration.