LM2673SDX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2673SDX-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 8V to 40V and provides an adjustable output voltage from 1.2V to 37V. The device delivers a maximum output current of 3A with a fixed switching frequency of 260kHz. It utilizes a VSON-14 surface-mount package and supports operation temperatures between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic power switch eliminates the need for external components typically required in discrete designs.
• Fixed 260kHz switching frequency enables the use of small passive components for compact board layouts.
• Internal thermal shutdown and current limit protection ensure robust operation under fault conditions.

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 'NOPB' confirms lead-free and RoHS compliance status as per manufacturer documentation. Confirm the 'SDX' designation indicates tape-and-reel packaging suitable for automated assembly processes. Cross-reference the full part number against official Texas Instruments databases to ensure availability and correct revision levels before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3A buck converter solution is required in a compact VSON-14 footprint. It is appropriate for designs needing an adjustable output voltage within the 1.2V to 37V range. Ensure the application input voltage remains within the specified 8V to 40V limits to maintain proper regulator functionality and efficiency.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2673 family of SIMPLE SWITCHER regulators, which are designed for high-efficiency DC-DC conversion. The family includes various packages such as TO-220 and TO-263, offering flexibility for different thermal and spatial requirements while maintaining consistent electrical performance characteristics across the series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2673SD-ADJ/NOPB: Identical electrical specifications but in tube packaging instead of reel.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum input voltage required for the LM2673SDX-ADJ/NOPB?

The minimum input voltage is 8V, below which the regulator may not function correctly.

Does this device include internal compensation?

Yes, the LM2673SDX-ADJ/NOPB features internally compensated error amplifiers to simplify design implementation.