LM3404HVMRX/NOPB

$1.66

Description：IC LED DRV RGLTR PWM 8SOPWRPAD
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fed3b0c20ba1 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC LED DRV RGLTR PWM 8SOPWRPAD
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Down (Buck)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：6V
Voltage - Supply (Max)：75V
Voltage - Output：73V
Current - Output / Channel：1A
Frequency：1MHz
Dimming：PWM
Applications：Lighting
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO PowerPad
Grade：Automotive
Qualification：-

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LM3404HVMRX/NOPB

Overview

The LM3404HVMRX/NOPB is a Texas Instruments LED lighting driver IC featuring a buck topology. It operates with an input voltage range of 6 V to 75 V DC and delivers a constant output current of 1 A. The device supports PWM dimming and includes an integrated switch. Key electrical parameters include a maximum supply voltage of 75 V, a maximum output voltage of 73 V, and a minimum operating voltage of 6 V. The switching frequency ranges from 10 kHz to 1 MHz. It functions within a temperature range of -40°C to +125°C and is housed in an SO-PowerPad-8 package.

Feature Summary

Integrates a high-voltage buck regulator for efficient LED driving
Supports precise PWM dimming control for brightness adjustment
Maintains constant current output for stable LED performance
Includes internal thermal shutdown protection

Applications

High-power LED lighting systems
General illumination drivers
Battery-powered LED applications

Procurement Notes

Verify the specific suffix 'MRX' against the manufacturer's official datasheet to confirm tape-and-reel packaging and exact marking details. Ensure compatibility with required humidity sensitivity levels and RoHS compliance standards before procurement. Cross-reference the full part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a wide input voltage range up to 75 V is required for single-channel LED driving. It is suitable for designs needing integrated power switches and PWM dimming capabilities. Consider the SO-PowerPad-8 package for thermal management requirements. Verify that the 1 A output current aligns with the target LED string specifications.

Part Context

This part belongs to the LM3404HV series, designed for high-voltage LED applications. It shares functional similarities with other members like the LM3404HVMR/NOPB but differs in packaging configuration. The series focuses on providing robust constant current regulation for high-brightness LEDs in demanding environments.