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AL8860Q - HIGH EFFICIENCY 40V 1.5A AUTOMOTIVE GRADE BUCK LED DRIVER

Datasheet Summary

Description

The AL8860Q is a hysteresis mode DC-DC step-down LED driver, designed for driving single or multiple series of the connected LEDs efficiently from a voltage source higher than the LED voltage.

Features

  • Wide Input Voltage Range: 4.5V to 40V.
  • Output Current Up to 1.5A.
  • Internal 40V NDMOS Switch.
  • Typical 5% Output Current Accuracy.
  • Single Pin for On/Off and Brightness Control by DC Voltage or PWM Signal.
  • High Efficiency (>95%).
  • LED Short-Circuit Protection.
  • Inherent LED Open-Circuit Protection.
  • Overtemperature Shutdown.
  • Up to 1MHz Switching Frequency.
  • Pb-Free MSOP-8EP Package.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).

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Datasheet preview – AL8860Q

Datasheet Details

Part number AL8860Q
Manufacturer DIODES
File Size 875.96 KB
Description HIGH EFFICIENCY 40V 1.5A AUTOMOTIVE GRADE BUCK LED DRIVER
Datasheet download datasheet AL8860Q Datasheet
Additional preview pages of the AL8860Q datasheet.

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Full PDF Text Transcription

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AL8860Q HIGH EFFICIENCY Q40V 1.5A AUTOMOTIVE GRADE BUCK LED DRIVER Description Pin Assignments The AL8860Q is a hysteresis mode DC-DC step-down LED driver, designed for driving single or multiple series of the connected LEDs efficiently from a voltage source higher than the LED voltage. The device can operate with an input supply voltage from 4.5V to 40V and provide an externally adjustable output current up to 1.5A for MSOP8EP package. Depending upon supply voltage and external components, this converter can provide up to 40W output power. The AL8860Q integrates the power switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. Dimming can be realized by applying an external control signal to the CTRL pin.
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