LM3210TLX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3210TLX/NOPB is a step-down (buck) switching regulator IC manufactured by National Semiconductor, now part of Texas Instruments. It features a positive adjustable output voltage starting from 0.5V with a single output channel capable of delivering up to 1.25A. The device utilizes a non-synchronous rectifier topology and operates in a surface-mount SC-74A or SOT-753 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Adjustable output voltage capability starting from low levels
• Integrated buck converter topology for efficient DC-DC conversion
• Compact surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing regulated voltage rails
• General-purpose DC-DC conversion in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as National Semiconductor or Texas Instruments, as the brand transition occurred during the product lifecycle. Confirm the specific package variant (SC-74A/SOT-753) matches your PCB footprint requirements. Ensure the component status is active if new production is required, noting that legacy stock may vary in availability across distributors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, adjustable buck converter is needed for currents up to 1.25A. The non-synchronous design may impact efficiency compared to synchronous alternatives at light loads. Ensure input voltage ranges align with the application's supply source. The adjustable output allows flexibility in setting precise voltage levels for various analog or digital loads within the specified minimum threshold.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM321x series of miniaturized DC-DC converters designed for portable applications. It shares functional similarities with other adjustable buck regulators but is distinguished by its specific current rating and package form factor. The NOPB suffix indicates lead-free and RoHS compliance, adhering to environmental standards for modern electronics manufacturing.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LM321x series variants such as LM3211TLX/NOPB, which offers similar functionality with potentially different current capabilities. Verify pin compatibility and electrical specifications before substitution. Alternative manufacturers' adjustable buck converters in SOT-753 packages may serve as functional replacements if parameters match.