LT3478EFE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3478EFE#TRPBF

Manufacturer

Analog Devices

Introduction

High power LED driver with wide input voltage range designed for driving LEDs in various lighting applications.

Product Features and Performance

Integrated high side switch

Wide input voltage range from 2.8V to 36V

Adjustable output voltage up to 42V

Current output up to 4.5A (Switch)

Frequency adjustment from 200kHz to 2.25MHz

Supports PWM dimming

Provides step-down (buck) and step-up (boost) regulation

Designed for high temperature operation with a range from -40°C to 125°C

Surface mount TSSOP-16 package with an exposed pad for enhanced thermal performance

Product Advantages

Flexibility with adjustable voltage and dimming options

High efficiency due to internal switching

Stable operation across a wide range of temperatures

Suitable for complex lighting systems with the need for buck and boost topologies

Key Technical Parameters

Voltage Supply (Min): 2.8V

Voltage Supply (Max): 36V

Voltage Output: 42V

Current Output / Channel: 4.5A (Switch)

Frequency: 200kHz – 2.25MHz

Dimming: PWM

Quality and Safety Features

Over temperature protection

Robust design suitable for industrial applications

Compatibility

Suitable for use in LED driving applications with varying power supply ranges

Application Areas

LED backlighting for monitors, TVs

General LED lighting systems

Automotive lighting

Industrial and commercial lighting solutions

Product Lifecycle

Product status is Active

Not currently reported nearing discontinuation

Alternatives or upgrades should be sourced from manufacturer's latest offerings

Several Key Reasons to Choose This Product

High integration reduces external component count

Versatile for both buck and boost applications in one device

High light output control through PWM dimming compatibility

Suitable for a wide range of products due to extensive input and output voltage capabilities

Robust package designed for thermal management and long-term reliability