LT3518IFE#PBF

LED Driver IC Overview

The LT3518IFE#PBF is a full-featured LED driver IC from Analog Devices, housed in a 16-pin TSSOP package with an exposed pad. It integrates a 2.3 A switch current capability and supports Boost, Buck, and Buck-Boost topologies for flexible LED regulation. The device operates on input voltages ranging from 3 V to 30 V and features adjustable output voltage control. It supports PWM dimming and includes open LED protection. The component functions within a temperature range of -40°C to +125°C and offers a switching frequency range of 250 kHz to 2.5 MHz.

LED Driver IC Feature Summary

• Integrates a high-current internal switch capable of delivering up to 2.3 A for driving multiple LEDs or high-power strings.
• Supports versatile DC-DC converter topologies including boost, buck, and buck-boost to accommodate various LED forward voltage requirements.
• Provides precise LED brightness control through analog and PWM dimming interfaces compatible with standard control signals.
• Includes built-in open LED protection circuitry to detect faults and prevent damage to the driver or connected components.

LED Driver IC Applications

• General illumination lighting systems
• Automotive exterior and interior lighting
• Portable device backlighting

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature grade. Ensure the ordering part number matches the required thermal performance and physical footprint for your PCB layout. Cross-reference datasheet revisions to confirm pinout compatibility before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component when designing circuits requiring a single-channel driver with high current capacity and flexible topology options. Consider the 16-TSSOP package constraints for thermal management and board space. Evaluate the operating temperature range against environmental conditions and ensure input voltage levels align with the 3 V to 30 V specification.

LED Driver IC Part Context

This part belongs to the LT3518 family of LED drivers, which are designed for high-efficiency constant current regulation. The family shares core functionalities but varies by package style and thermal characteristics. The LT3518 series is widely used in applications demanding reliable LED control with minimal external component count.

LED Driver IC Replacement Considerations

LT3518EFE#PBF is a verified substitute offering identical electrical specifications in a different package variant. Verify pin-to-pin compatibility and thermal dissipation requirements before substitution.