LT3761IMSE-1#TRPBF

LED Driver IC Overview

The LT3761IMSE-1#TRPBF is a DC/DC controller designed for high-performance LED driving applications. It operates as a constant-current source and constant-voltage regulator, supporting input voltages from 8V to 60V. The device integrates a programmable internal PWM dimming signal generator, enabling precise brightness control without external timing components. It supports multiple converter topologies including boost, buck, SEPIC, and flyback configurations. The IC features output current sensing at either the high or low side and includes an CTRL input for additional analog dimming capabilities.

LED Driver IC Feature Summary

• Integrates a programmable internal PWM dimming signal generator for precise LED brightness control
• Operates as both a constant-current source and a constant-voltage regulator
• Supports versatile converter topologies including boost, buck, SEPIC, and flyback
• Provides flexible output current detection via high-side or low-side sensing

LED Driver IC Applications

• Boost LED driver circuits with output short-circuit protection
• SEPIC LED driver designs requiring wide input voltage ranges
• High-power LED lighting systems requiring precise PWM dimming
• Constant-current and constant-voltage regulated power supplies

LED Driver IC Procurement Notes

Verify the complete part number LT3761IMSE-1#TRPBF against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required thermal management solutions for the MSOP-EP package. Cross-reference pinouts and electrical characteristics with the latest datasheet revision to avoid integration errors in PCB design.

LED Driver IC Selection Notes

Select this component when designing LED drivers that require integrated PWM generation and support for multiple topology configurations. It is suitable for applications needing simultaneous constant-current and constant-voltage regulation capabilities. Consider the 8V to 60V input range and 1A output current capability when sizing passive components. Verify that the MSOP-EP package meets the thermal and spatial constraints of the target enclosure.

LED Driver IC Part Context

The LT3761 series belongs to Analog Devices' portfolio of high-efficiency LED controllers. This specific variant, LT3761IMSE-1, is optimized for industrial and commercial lighting applications. It replaces older discrete solutions by integrating control logic, dimming generators, and protection features into a single compact package, simplifying design complexity and reducing bill-of-materials count.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Generic equivalents may lack the integrated PWM generator or specific topology support. Verify pinout compatibility and thermal performance before replacing existing designs.