LT3518IFE#TRPBF

LED Driver IC Overview

The LT3518IFE#TRPBF is a single-output LED driver IC manufactured by Analog Devices Inc., housed in a 16-TSSOP-EP package. It operates as a buck, boost, or buck-boost DC-DC converter with an internal switch rated for 2.3A. The device supports input voltages from 3V to 30V and features adjustable switching frequencies ranging from 250kHz to 2.5MHz. It provides analog and PWM dimming capabilities and includes open LED protection. The component functions within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Supports buck, boost, and buck-boost topologies for flexible LED string configurations
• Integrates high-current internal switch for efficient power handling
• Enables precise brightness control through combined analog and PWM dimming interfaces
• Includes built-in open LED protection to safeguard the load

LED Driver IC Applications

• LED backlighting systems
• General LED lighting drivers
• Portable electronic display illumination

LED Driver IC Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm packaging type and RoHS compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity. Cross-reference the specific revision level if required for long-term supply chain stability. Confirm that the 16-TSSOP-EP footprint matches the target PCB design constraints before finalizing orders.

LED Driver IC Selection Notes

Select this component when designing circuits requiring a single-channel LED driver capable of handling wide input voltage variations. It is suitable for applications needing both step-up and step-down regulation within one topology. Consider the 2.3A switch current limit for determining maximum LED string currents. Evaluate the thermal performance requirements associated with the exposed pad TSSOP package for the specific operating environment.

LED Driver IC Part Context

This part belongs to the LT3518 family of LED drivers from Analog Devices. It shares functional similarities with other members like the LT3517 but offers higher switch current capability. The device is designed to simplify LED drive designs by integrating necessary power switches and control logic into a compact surface-mount package.

LED Driver IC Replacement Considerations

LT3518EFE#TRPBF is a tube-packaged variant of the same electrical specification.