LT3476IUHF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3476IUHF#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3476IUHF#TRPBF is a versatile, quad output LED driver incorporated with a DC DC regulator configured for step-down (buck) and step-up (boost) topologies, providing efficient power management for backlight applications.

Product Features and Performance

Integrated DC DC Regulator

Step-Down (Buck) and Step-Up (Boost) Topology

Internal Switches included

Four separate outputs

Supports a wide input voltage range from 2.8V to 16V

Output voltage ranges from 2.2V up to 36V

Output current capacity of 1.5A per channel

Adjustable frequency from 200kHz to 2MHz

PWM dimming capability

Operates at a temperature range of -40°C to 125°C

Product Advantages

Ability to drive multiple LEDs with up to four outputs

Flexibility with wide input and output voltage ranges

High efficiency and reliability in various temperature conditions

Compact 38-WFQFN Exposed Pad package conserves PCB space

Key Technical Parameters

Minimum Voltage Supply: 2.8V

Maximum Voltage Supply: 16V

Voltage Output Range: 2.2V to 36V

Current Output per Channel: 1.5A

Frequency Range: 200kHz to 2MHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Enhanced thermal performance with exposed pad package

Robust operation in extreme temperature conditions

Built-in protection features to ensure stability and longevity

Compatibility

Ideal for driving multiple LED configurations

Compatible with PWM dimming systems

Application Areas

Primarily used in backlighting applications

Suitable for both industrial and commercial lighting projects

Product Lifecycle

Currently Active

No indication of discontinuation, with ongoing support and availability of replacements or upgrades

Several Key Reasons to Choose This Product

Quad output capability enables driving multiple LEDs from a single device

Supports both boost and buck operations, providing versatility

Covers a broad range of input and output voltages catering to diversified uses

High-frequency operation up to 2MHz allows for smaller external components

Reliable performance supported by robust operational temperature range and safety features