LT3761EMSE-1#TRPBF

LED Driver IC Overview

The LT3761EMSE-1#TRPBF is a DC/DC controller designed for high-efficiency LED driving applications. It operates with an input voltage range of 8V to 60V and supports output currents up to 1A. The device integrates a programmable internal PWM dimming signal, enabling precise brightness control with a ratio of up to 25:1 without external generation components. It functions as both a constant-current source and a constant-voltage regulator. The component utilizes a 16-lead MSOP package with exposed pad and supports multiple topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC.

LED Driver IC Feature Summary

• Integrates a programmable internal PWM generator for accurate dimming control
• Operates as a combined constant-current source and constant-voltage regulator
• Supports versatile converter topologies including boost, buck, flyback, and SEPIC
• Features open LED protection mechanisms

LED Driver IC Applications

• Automotive headlamp systems
• High-voltage LED lighting drivers
• LED display backlights
• Indicator control circuits

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the -1 variant designation matches the required internal PWM dimming specifications. Ensure the MSOP-16EP package footprint aligns with the target PCB layout. Cross-reference the manufacturer part number with official Analog Devices documentation to validate authenticity and revision status before procurement.

LED Driver IC Selection Notes

Select this component for designs requiring integrated PWM dimming capabilities within a compact form factor. It is suitable for applications needing flexible topology support such as boost or flyback configurations. Consider the 60V input limit and 1A current capability against load requirements. Evaluate thermal performance in the MSOP-16EP package for the intended power dissipation levels.

LED Driver IC Part Context

This part belongs to the LT3761 family of LED controllers from Analog Devices. The series is characterized by high efficiency and flexible control options for various LED architectures. The LT3761-1 variant specifically includes internal PWM generation, distinguishing it from standard versions that may require external dimming signals. It serves as a core control element in modern solid-state lighting solutions.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic replacements may lack the specific internal PWM dimming integration or exact pinout compatibility. Verify electrical parameter equivalence for input voltage ranges and output current limits before considering any substitute components.