LT3491ESC8#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3491ESC8#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3491ESC8#TRPBF is a compact, high-efficiency LED driver with integrated switch designed for power management in LED backlighting applications.

Product Features and Performance

Integrated 350mA switch

High switching frequency of 2.3MHz allowing small inductor size

Wide input voltage range from 2.5V to 12V

PWM dimming capability

Output short-circuit protection

Thermal overload protection

Product Advantages

Highly efficient step-up (boost) regulator design

Small form factor suitable for space-constrained applications

Low shutdown current enhances battery life for portable devices

Fast switching frequency minimizes noise and ripple

Stable operation with ceramic capacitors

Key Technical Parameters

Topology: Step-Up (Boost)

Voltage - Supply (Min): 2.5V

Voltage - Supply (Max): 12V

Current - Output / Channel: 350mA (Switch)

Frequency: 2.3MHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in over-temperature protection

Over-current and short-circuit protection

Stable operation with recommended external components

Compatibility

Compatible with surface mount technology

Suitable for automated pick-and-place manufacturing

Mounting Type: Surface Mount

Application Areas

LED backlighting for LCD displays

Portable lighting solutions

Battery-powered devices

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Availability of replacements or upgrades

Several Key Reasons to Choose This Product

Compact integrated solution for space-limited applications

High efficiency for prolonged battery life in portable devices

Flexible input voltage range for diverse power supply conditions

Fast switching capability allows for small external components, reducing overall system size

PWM dimming provides versatile control over LED brightness

Designed for reliability with comprehensive safety features

Active status ensures ongoing production and support from Analog Devices