LT3474IFE-1#PBF

LED Driver IC Overview

The LT3474IFE-1#PBF is a single-channel LED lighting driver IC manufactured by Analog Devices Inc., utilizing a buck topology. It operates within an input voltage range of 4 V to 36 V and delivers a regulated output current of 1 A. The device supports adjustable switching frequencies from 200 kHz to 2 MHz and features an adjustable output voltage. Packaged in a 16-TSSOP with exposed pad, it functions reliably across a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates PWM dimming capability for precise light control
• Includes open LED protection circuitry for fault detection
• Supports wide input voltage ranges suitable for automotive applications

LED Driver IC Applications

• LED backlighting systems
• Automotive interior lighting
• General LED illumination drivers

LED Driver IC Procurement Notes

Verify component authenticity through authorized channels due to limited supply status. Confirm RoHS compliance and package integrity upon receipt. Cross-reference datasheet specifications against design requirements before integration. Ensure proper handling procedures are followed for surface-mount installation.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel buck LED driver with integrated protection features. Consider the 16-TSSOP package constraints and thermal dissipation needs. Evaluate the 200 kHz to 2 MHz frequency range against EMI requirements and external component sizing.

LED Driver IC Part Context

This part belongs to the LT3474 series of LED drivers. It is specifically designed for high-efficiency constant current regulation in compact spaces. The exposed pad variant enhances thermal performance compared to standard packages.

LED Driver IC Replacement Considerations

LT3474IFE#PBF and LT3474IFE#TRPBF are parameter-equivalent alternatives available from Analog Devices Inc.