LT3475IFE#PBF

LED Driver IC Overview

The LT3475IFE#PBF is a dual-channel, non-isolated LED driver IC manufactured by Analog Devices Inc. It utilizes a buck topology to regulate current for high-power LEDs. The device supports an input voltage range from 4 V to 36 V and delivers up to 1.5 A per channel. Operating frequencies are adjustable between 200 kHz and 2 MHz. It features PWM dimming capabilities and open LED protection. The component is housed in a 20-lead TSSOP package with exposed pad and operates within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Dual independent output channels for driving multiple LED strings
• Integrated PWM dimming control interface
• Built-in protection against open LED conditions

LED Driver IC Applications

• High-power LED lighting systems
• Automotive exterior lighting applications
• Industrial illumination fixtures

LED Driver IC Procurement Notes

Verify the exact part number suffix and manufacturer lot codes upon receipt. Confirm RoHS compliance status matches current regulatory requirements. Check datasheet revisions for any pinout or electrical parameter updates before finalizing PCB layout. Ensure ESD handling protocols are followed during assembly due to the sensitive internal circuitry.

LED Driver IC Selection Notes

Select this component when dual-channel regulation is required from a single controller. The wide input voltage range suits various power supply architectures. Consider the thermal performance of the TSSOP-EP package for heat dissipation needs. Verify that the required switching frequency falls within the 200 kHz to 2 MHz operational window.

LED Driver IC Part Context

This part belongs to the LT3475 series of LED drivers. It shares functional similarities with the LT3475IFE-1#PBF but differs in specific configuration options. It complements other buck-based LED drivers like the LT3474 series, offering higher current capacity per channel compared to single-channel counterparts.

LED Driver IC Replacement Considerations

LT3475EFE#PBF

LED Driver IC FAQ

What is the maximum output current per channel?

Each channel can deliver up to 1.5 A.

Does the device support analog dimming?

The datasheet specifies PWM dimming capability; analog dimming details should be verified in the official documentation.