LT3491EDC#PBF - Linear Technology / Analog Devices

Manufacturer Part Number

LT3491EDC#PBF

Manufacturer

analog-devices

Introduction

The LT3491EDC#PBF is a high-efficiency, high-frequency step-up (boost) LED driver that operates from a 2.5V to 12V input voltage and delivers up to 30mA of regulated current to a single LED. It features a 1.8MHz to 2.8MHz selectable switching frequency, enabling the use of tiny external components. The LT3491 is designed for a wide range of applications, including single or multiple LED backlighting for LCD displays, keypad illumination, and general indication.

Product Features and Performance

High-efficiency, high-frequency step-up (boost) LED driver

Operates from 2.5V to 12V input voltage

Delivers up to 30mA of regulated current to a single LED

Selectable switching frequency of 1.8MHz to 2.8MHz

Enables the use of tiny external components

Designed for a wide range of LED backlighting and illumination applications

Product Advantages

High-efficiency operation reduces power consumption and heat dissipation

Selectable switching frequency allows flexibility in component selection

Small size and low external component count for compact designs

Accurate LED current regulation ensures consistent brightness

Key Reasons to Choose This Product

Optimized for LED backlighting and illumination applications

Efficient and compact design for space-constrained products

Reliable performance and long-term reliability

Wide input voltage range for versatile power source compatibility

Quality and Safety Features

Robust thermal protection and short-circuit protection

Meets safety and environmental standards (RoHS, REACH)

Compatibility

Suitable for a variety of LED-based applications, including LCD backlighting, keypad illumination, and general indication

Application Areas

LCD display backlighting

Keypad and button illumination

General LED indication and signage

Product Lifecycle

The LT3491EDC#PBF is an obsolete product. Customers are advised to contact our website's sales team for information on equivalent or alternative models that may be available.