AL8861Y-13 - Diodes Incorporated

Manufacturer Part Number

AL8861Y-13

Manufacturer

Diodes

Introduction

The AL8861Y-13 is a high efficiency, step-down DC/DC regulator designed specifically for LED driving.

Product Features and Performance

Integrated power switch for buck topology

Supports a wide input voltage range from 4.5V to 40V

Delivers up to 1.5A output current

Adjustable output voltage up to 36V

1MHz operating frequency

Analog and PWM dimming capability

Thermal shutdown protection

Overcurrent protection

Built-in soft start function

Product Advantages

High-efficiency power conversion extends battery life

Versatile dimming options enhance lighting applications

Compact package for space-constrained applications

Simple external circuitry reduces design complexity

Key Technical Parameters

Minimum Supply Voltage: 4.5V

Maximum Supply Voltage: 40V

Output Voltage: 36V

Output Current per Channel: 1.5A

Switching Frequency: 1MHz

Dimming Methods: Analog, PWM

Quality and Safety Features

Overcurrent protection safeguards against excessive current

Thermal shutdown prevents damage from overheating

Built-in soft-start reduces inrush current

Compatibility

Compatible with a range of LEDs for backlighting, lighting, and signage applications

Application Areas

Backlighting for LCD displays

General lighting solutions

Signage and advertising lighting

Decorative and architectural lighting

Product Lifecycle

Product Status: Active

Not approaching discontinuation, with replacements or upgrades currently available

Key Reasons to Choose This Product

Efficient power management suitable for battery-operated devices

Flexibility in dimming control enables dynamic lighting effects

A high switching frequency allows for smaller passive components

Robust protection features ensure long-term reliability

The SOT-89-5 package is ideal for streamlined PCB layouts