LT3761EMSE#PBF

LED Driver IC Overview

The LT3761EMSE#PBF is a DC/DC controller designed for high-efficiency LED driving applications. It supports multiple topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC. The device operates with an input voltage range of 4.5 V to 60 V and can drive up to 10 A output current. It features a maximum output voltage of 100 V and a switching frequency adjustable from 100 kHz to 1 MHz. The component is housed in a 16-pin MSOP package and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Supports versatile power conversion topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC configurations.
• Integrates programmable internal PWM dimming signal generation for precise brightness control without external components.
• Provides open LED protection and constant-current regulation capabilities for reliable operation.

LED Driver IC Applications

• Automotive headlamp systems requiring high efficiency and precise dimming
• General LED lighting driver circuits utilizing various converter topologies
• High-voltage LED arrays needing integrated PWM dimming functionality

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates lead-free packaging compliance when sourcing. Confirm the EMSE variant corresponds to the MSOP-16 package type required for your PCB layout. Ensure the supplier provides official Analog Devices documentation to validate the part number authenticity and revision status before integration into production designs.

LED Driver IC Selection Notes

Select this controller when designing systems requiring flexible topology support beyond simple boost converters. Consider the 10 A current capability and 100 V output limit for high-power LED strings. Evaluate the internal PWM generator against requirements for dimming resolution and external component count reduction compared to standard analog dimming solutions.

LED Driver IC Part Context

This component belongs to the LT3761 series of LED controllers manufactured by Analog Devices. It is specifically engineered as a DC/DC controller capable of operating as both a constant-current source and a constant-voltage regulator. The series is optimized for applications demanding high efficiency and robust protection features in LED illumination systems.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative models from the same manufacturer or other vendors offering similar multi-topology LED drivers.