LM2673SDX-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2673SDX-12 is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, designed for high-efficiency power conversion. It delivers a fixed 12V output with a maximum current of 3A. The device operates within an input voltage range of 8V to 40V and supports a switching frequency of 260kHz. It features adjustable current limit protection and is housed in a compact 14-VSON package with an exposed pad. The component functions reliably across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated adjustable current limit protection for enhanced circuit safety
• Fixed 12V output configuration simplifies design implementation
• High efficiency operation at typical load conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Power supply stages for industrial control equipment
• Battery-powered devices requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SDX' against the manufacturer's official datasheet to confirm it denotes the tape-and-reel packaging variant of the LM2673SD-12. Ensure compatibility with standard surface-mount reflow profiles. Confirm RoHS compliance status as per the latest production data sheet revision before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required from an input source between 8V and 40V. The 3A current capability suits moderate power applications. Consider the 14-VSON package size for space-constrained designs. Verify thermal requirements for the exposed pad to ensure adequate heat dissipation under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2673 series of SIMPLE SWITCHER regulators, which are known for integrating power switches and control logic into a single monolithic IC. The series offers a simplified design approach compared to discrete solutions, reducing component count and board space while maintaining robust performance characteristics for general-purpose DC-DC conversion tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2673SD-12/NOPB as a potential equivalent if the 'X' suffix indicates reel packaging. Verify pinout compatibility and thermal resistance values. Ensure that any substitute maintains the same 3A current rating and 40V maximum input voltage specification.