LT3478EFE-1

LED Driver IC Overview

The LT3478EFE-1 is a single-channel LED lighting driver IC from Analog Devices, housed in a TSSOP-16 package. It supports Boost and Buck topologies with an input voltage range of 2.8 V to 36 V and an output voltage up to 42 V. The device delivers a maximum output current of 4.2 A and features a programmable switching frequency between 200 kHz and 2.25 MHz. It includes PWM dimming capabilities, open LED protection, and operates within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates true color PWM dimming for precise light control
• Provides open LED protection to enhance system reliability
• Supports flexible Boost and Buck converter topologies

LED Driver IC Applications

• LED lighting systems requiring high-current mono drivers
• Automotive interior or exterior illumination applications
• Industrial lighting fixtures utilizing PWM dimming

LED Driver IC Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required pinout and electrical specifications. Check for recent Product Change Notifications (PCN) regarding manufacturing updates. Ensure compliance with RoHS directives if applicable to your region. Validate supply chain integrity to avoid counterfeit components.

LED Driver IC Selection Notes

Select this part when a single-channel driver with high peak switch current is required. Consider the wide input voltage range for battery-powered or variable source applications. Evaluate the thermal performance in the TSSOP-16 package for your PCB layout. Compare against other LT3478 variants if different pinouts or features are needed.

LED Driver IC Part Context

This component belongs to the LT3478 series of LED drivers designed for high-efficiency lighting solutions. It integrates a power switch and control circuitry into a compact surface-mount package. The series is optimized for applications demanding robust protection features and flexible topology support.

LED Driver IC Replacement Considerations

Consult official Analog Devices documentation for direct cross-references. Verify pin compatibility and electrical parameters before substitution. Generic equivalents may lack specific protection features like open LED detection.