LT3518EFE#PBF

LED Driver IC Overview

The LT3518EFE#PBF is a single-channel LED driver IC from Analog Devices, housed in a 16-lead TSSOP package with an exposed pad. It integrates a 2.3A switch current capability and supports Boost, Buck, and Buck-Boost topologies for flexible LED configuration. The device operates on input voltages ranging from 3V to 30V and features an adjustable switching frequency between 250 kHz and 2.5 MHz. It provides analog and PWM dimming control, open LED protection, and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a high-current internal switch capable of delivering up to 2.3A for driving multiple LEDs or high-power loads.
• Supports versatile converter topologies including boost, buck, and buck-boost to accommodate various LED string configurations.
• Enables precise light regulation through combined analog and pulse-width modulation (PWM) dimming interfaces.

LED Driver IC Applications

• General LED lighting systems requiring constant current regulation
• Backlighting drivers for displays and panels
• Portable battery-powered lighting devices

LED Driver IC Procurement Notes

Verify the specific suffix #PBF confirms lead-free compliance and RoHS adherence before procurement. Confirm the TSSOP-16 package variant matches your PCB footprint requirements. Ensure the supplier source is authorized to guarantee component authenticity and traceability. Check for any recent product change notices that may affect pinout or electrical specifications.

LED Driver IC Selection Notes

Select this component when a single-channel driver with high peak current is required for complex LED arrays. The wide input voltage range suits both battery-operated and mains-derived applications. Consider the thermal performance of the exposed pad design for heat dissipation needs. Evaluate the external component count against system size constraints given the integrated switch architecture.

LED Driver IC Part Context

This part belongs to the LT3518 family of LED drivers designed for high-efficiency illumination. It serves as a core power management solution for converting DC sources into regulated LED currents. The device complements other Analog Devices power solutions by offering a compact, integrated approach to LED control without requiring external pass transistors.

LED Driver IC Replacement Considerations

LT3518IFE#PBF is a verified alternative within the same series, differing primarily in package type while maintaining identical electrical functionality and pinout compatibility.