LM2675M-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2675M-12 is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a high-efficiency 1A step-down voltage regulator. It operates with an input voltage range of 6.5V to 40V and provides a fixed 12V output. The device integrates a 0.5A internal switch and supports a switching frequency of 260kHz. Packaged in an 8-pin SOIC surface-mount case, it is designed for operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 0.5A internal power switch to minimize external component count
• Features a fixed 260kHz switching frequency for compact passive design
• Includes thermal shutdown and current limit protection for system reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient step-down conversion
• Industrial control systems operating within wide input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm pinout compatibility and electrical tolerances. Ensure the package type matches the PCB footprint requirements. Confirm RoHS compliance status if required by regulatory standards. Cross-reference the part number with official Texas Instruments documentation to validate availability and revision history before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required from a 6.5V to 40V input source. It is suitable for applications needing up to 1A load current with minimal external circuitry. Consider the SOIC-8 package constraints for thermal management. Evaluate the 260kHz frequency against EMI requirements and inductor size preferences compared to higher-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2675 series of SIMPLE SWITCHER regulators, which are designed for high-efficiency step-down conversion. The series includes adjustable and fixed voltage variants, offering a robust solution for power management in space-constrained designs. The LM2675M-12 specifically targets applications requiring a stable 12V rail from varying input sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2675MX-12/NOPB: Pin-compatible alternative with identical electrical specifications.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2675M-12?

The maximum input voltage is 40V.

Does the LM2675M-12 include overcurrent protection?

Yes, it features integrated current limit protection.