LT3763EFE

LED Driver IC Overview

The LT3763EFE is a fixed-frequency, synchronous step-down DC/DC controller designed for high-current LED driving and battery charging applications. It features an average current mode control architecture to regulate output currents up to 20A with precision. The device supports a wide input voltage range from 6V to 60V and provides adjustable output voltages from 0V to 55V. Operating frequencies are programmable between 200kHz and 1MHz. It includes PWM dimming capability and operates within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Synchronous buck topology for efficient power conversion
• Average current mode control for precise inductor current regulation
• Supports PWM dimming for light intensity adjustment
• Wide input voltage tolerance suitable for automotive and industrial sources

LED Driver IC Applications

• High-current single-channel LED drivers
• SLA battery chargers
• Automotive lighting systems
• Industrial power supplies

LED Driver IC Procurement Notes

Verify the specific suffix (EFE vs IFE) against the required package type, as both variants exist within the same family. Confirm RoHS compliance status through official documentation before integration. Ensure the design accounts for the thermal requirements of the TSSOP-EP package under maximum load conditions. Cross-reference the manufacturer's latest datasheet for any updates to pinout or electrical characteristics.

LED Driver IC Selection Notes

Select this component when precise current regulation is required for loads exceeding standard driver capabilities. The synchronous design improves efficiency compared to non-synchronous alternatives. Consider the 28-TSSOP-EP package for thermal management needs. Evaluate the operating frequency range to balance component size against switching losses. Ensure the input voltage source remains within the specified 6V to 60V limits during all transient conditions.

LED Driver IC Part Context

This part belongs to the LT3763 series of DC/DC controllers manufactured by Analog Devices Inc. It is specifically engineered for applications requiring high output current accuracy and wide input voltage flexibility. The series utilizes average current mode control to maintain stability across varying load and line conditions.

LED Driver IC Replacement Considerations

The LT3763IFE#PBF is a documented alternative within the same product family, sharing identical electrical specifications but differing in package configuration. Verify pin compatibility and thermal performance differences before substitution.