LT3478EFE#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3478EFE#PBF

Manufacturer

Analog Devices

Introduction

High efficiency, multi-topology LED driver with integrated switch

Product Features and Performance

Integrated power switch

Wide input voltage range 2.8V to 36V

LED output voltage up to 42V

Output current up to 4.5A (Switch)

Adjustable frequency from 200kHz to 2.25MHz

PWM dimming capability

Product Advantages

High flexibility for different LED configurations

High efficiency for thermal management

Robust design for demanding applications

PWM dimming for precise brightness control

Key Technical Parameters

Step-Down (Buck), Step-Up (Boost) functions

Internal switch included

1 output channel

Minimum supply voltage is 2.8V

Maximum supply voltage is 36V

Maximum output voltage is 42V

Output current capability of 4.5A (Switch)

Quality and Safety Features

Wide operating temperature range from -40°C to 125°C (TJ)

Built for reliability and rugged performance

Compatibility

Supported in a variety of backlight applications

Designed for surface mount technology

Packaged in 16-TSSOP-EP for optimal thermal performance

Application Areas

Backlighting for LCD displays

Automotive and general LED lighting

Portable and battery-powered equipment

Product Lifecycle

Product status is active

Not nearing discontinuation

Options for future upgrades may be available

Reasons to Choose This Product

Capable of driving a wide range of LEDs

Optimized for portable and space-constrained applications

Easy to integrate with various system designs

Supports complex dimming requirements

Ensures stable and reliable operation in extended temperature ranges

Provides scalability for future design enhancements