LM3404HVMAX/NOPB

Overview

The LM3404HVMAX/NOPB is a Texas Instruments LED lighting driver IC featuring a buck topology. It operates on a DC input voltage range of 6 V to 75 V, delivering a constant output current of 1 A with a maximum output voltage of 73 V. The device supports PWM dimming and functions within an operating frequency range of 10 kHz to 1 MHz. It is housed in an 8-SOIC package and rated for temperatures between -40°C and +125°C.

Feature Summary

• Integrates a high-side N-channel MOSFET switch for monolithic constant current regulation
• Supports PWM dimming control for precise brightness adjustment
• Provides fixed-frequency operation with adjustable switching frequency capability

Applications

• High power LED driving in automotive applications
• Industrial lighting systems
• General illumination circuits

Procurement Notes

Verify the specific suffix against official documentation to confirm pinout and electrical characteristics. Ensure the component matches the required SOIC-8 package dimensions. Confirm RoHS compliance status through the manufacturer's datasheet before integration into production designs.

Selection Notes

Select this component when a wide input voltage range up to 75 V is required for high-power LED loads. It is suitable for designs needing integrated switching without external discrete MOSFETs. Consider the thermal performance in the SOIC-8 package for the intended power dissipation levels.

Part Context

This part belongs to the LM3404HV series, which are designed as constant current buck regulators for driving high-power LEDs. The series includes variants optimized for different voltage ranges and packaging options within the Texas Instruments portfolio.

Replacement Considerations

Publicly confirmed substitute part numbers include LM3404HVMA/NOPB.