LT8374RUFM#WPBF

LED Driver IC Overview

The LT8374RUFM#WPBF is a high-efficiency, monolithic synchronous step-down DC/DC converter designed for LED lighting applications. It operates with an input voltage range of 6.5V to 60V and delivers up to 1.2A output current. The device features a wide common-mode range current sense amplifier (0V to VIN), enabling suitability for matrix configurations. Switching frequencies are selectable at 330kHz or 2MHz, with external synchronization capability. It includes spread spectrum frequency modulation to reduce EMI, internal compensation options, and thermal shutdown protection.

LED Driver IC Feature Summary

• Synchronous buck topology with peak current control for high efficiency
• Wide input voltage range supporting 6.5V to 60V operation
• Zero-volt start capability via wide common-mode current sensing
• Integrated spread spectrum frequency modulation for EMI reduction

LED Driver IC Applications

• Automotive exterior and interior lighting systems
• LED matrix illumination arrays
• General-purpose constant current LED drivers
• High-brightness LED string regulation

LED Driver IC Procurement Notes

Verify the specific suffix designation to confirm switching frequency selection, as variants exist for different fixed frequencies. Ensure the package type matches the required footprint, noting the 16-lead QFN configuration. Confirm AEC-Q100 qualification status if automotive reliability standards are mandatory for the target application environment.

LED Driver IC Selection Notes

Select this component when a wide input voltage range and high output current density are required in a compact form factor. The integrated current sense amplifier eliminates external shunt resistors in certain topologies, simplifying design. Consider the available switching frequencies based on passive component size constraints and electromagnetic interference requirements.

LED Driver IC Part Context

This part belongs to the LT8374 family of synchronous step-down converters from Analog Devices. It is specifically optimized for LED driver applications requiring precise current regulation. The device integrates power switches and control logic into a single monolithic structure, reducing external component count compared to discrete solutions.

LED Driver IC Replacement Considerations

LT8374RUFM-1#WPBF serves as a functional alternative within the same series, differing primarily in fixed switching frequency specifications. Verify pinout compatibility and electrical parameter alignment before substitution.