A6281EESTR-T - Allegro MicroSystems

Manufacturer Part Number

A6281EESTR-T

Manufacturer

Allegro Microsystems

Introduction

The A6281EESTR-T is a linear LED driver with an integrated shift register designed for power management applications.

Product Features and Performance

Integrated linear LED driver

Built-in shift register topology

Internal switch functionality

3 output channels for multiple LED management

Supply voltage range between 4.75V to 17V

Output voltage from 1V to 3V

Provides current output per channel of up to 150mA

High switching frequency of 5MHz

Supports PWM dimming for brightness control

Product Advantages

Obsolete product offering heritage design compatibility

High-frequency operation for smaller external components

PWM dimming capability enables versatile light control

Multiple outputs for managing several LEDs with one driver

Key Technical Parameters

Type: Linear LED Driver

Topology: Shift Register

Number of Outputs: 3

Voltage - Supply (Min): 4.75V

Voltage - Supply (Max): 17V

Voltage - Output: 1V to 3V

Current - Output/Channel: 150mA

Frequency: 5MHz

Dimming: PWM

Operating Temperature: -40°C to +85°C

Quality and Safety Features

Robust thermal performance with exposed pad package

Designed to meet operating temperature range standards for industrial applications

Compatibility

Surface mount compatible for PCB assembly

Compatible with a range of LEDs that match output specifications

Application Areas

Lighting applications requiring multiple LED control

Product Lifecycle

Status: Obsolete

Potential for replacement or upgrade options subject to manufacturer's current product offerings

Several Key Reasons to Choose This Product

Specialized for high-performance LED driving applications

Capable of managing multiple LEDs which reduces the number of required components

Support for a wide range of supply voltages, offering flexibility in design

The 150mA current output per channel allows for bright LED output

High-frequency operation minimizes the need for large passive components, saving space on PCBs

The PWM dimming feature provides enhanced control over lighting effects and power savings

Designed for harsh industrial temperatures, ensuring reliability and performance under extreme conditions