LT3762HUFD#PBF

LED Driver IC Overview

The LT3762HUFD#PBF is a synchronous boost LED controller from Analog Devices Inc., designed for high-voltage LED lighting applications. It supports input voltages ranging from 2.5 V to 38.5 V and delivers an output voltage up to 60 V. The device operates with a switching frequency between 100 kHz and 1 MHz, providing a maximum output current of 2 A. Packaged in a 28-lead QFN (4x5 mm) exposed pad, it functions within an operating temperature range of -40°C to +125°C. Key features include PWM dimming capability and open LED protection, ensuring reliable performance in automotive and industrial lighting systems.

LED Driver IC Feature Summary

• Supports synchronous boost, buck, and SEPIC topologies for flexible LED drive configurations
• Integrates PWM dimming control for precise brightness adjustment
• Includes built-in open LED protection to enhance system safety and reliability

LED Driver IC Applications

• Automotive exterior lighting systems requiring high-voltage LED drivers
• Industrial general illumination using series-connected LED arrays
• High-bay lighting fixtures utilizing synchronous boost architectures

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required thermal and electrical specifications. Check for RoHS compliance documentation as indicated in official datasheets. Ensure storage conditions adhere to moisture sensitivity levels defined for QFN packages. Validate that the supplier provides traceable manufacturing data to guarantee long-term reliability in critical applications.

LED Driver IC Selection Notes

Select this controller when designing circuits requiring input voltages up to 38.5 V and output voltages reaching 60 V. Consider the 28-QFN package for compact board space requirements. Evaluate the 100 kHz to 1 MHz switching frequency range against electromagnetic interference constraints. Ensure the design accommodates the 2 A output current capability while maintaining thermal management within the -40°C to +125°C operational window.

LED Driver IC Part Context

The LT3762 series represents Analog Devices' solution for high-efficiency LED driving in demanding environments. The HUFD variant specifically denotes the enhanced temperature grade and QFN packaging suitable for surface-mount assembly. This component belongs to the broader family of DC-DC controllers optimized for constant current LED regulation, supporting both boost and SEPIC converter topologies for versatile power supply designs.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinout compatibility and electrical parameters before replacing. Verify that any substitute part maintains identical thermal characteristics and package dimensions for direct board integration without redesigning the PCB layout.