LM3466MRX/NOPB

Overview

The LM3466MRX/NOPB is a smart linear LED driver IC designed for multi-string LED current balancing. It operates with a supply voltage range of 6 V to 70 V and supports an output current of 1.5 A. The device integrates internal switches and features a junction temperature operating range from -40°C to 125°C. It is classified as a linear topology driver intended for lighting applications, providing precise current control without requiring external inductors.

Feature Summary

• Integrates internal switches for simplified circuit design
• Provides accurate multi-string LED current balancing
• Operates as a smart linear driver for constant current regulation

Applications

• Multi-string LED lighting systems
• General illumination circuits requiring current balancing
• LED drivers utilizing constant-current power supplies

Procurement Notes

Verify the specific suffix 'MRX' indicates tape-and-reel packaging when ordering. Confirm the 'NOPB' designation ensures lead-free and RoHS compliance. Cross-reference the Mouser part number 926-LM3466MRX/NOPB or Texas Instruments manufacturer number to ensure exact component matching before procurement.

Selection Notes

Select this component for applications requiring linear regulation with integrated switching capabilities. Ensure the input voltage remains within the 6 V to 70 V range. Consider the 1.5 A output capacity and thermal performance at 125°C junction temperature. Verify compatibility with the target LED string configuration for optimal current balancing.

Part Context

This part belongs to the LM3466 series of LED lighting driver ICs manufactured by Texas Instruments. It serves as a specialized solution for managing multiple LED strings efficiently. The device complements other PMIC offerings by focusing on linear topologies with integrated switch functionality for lighting control.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.