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AL8861

Part Number	AL8861
Manufacturer	Diodes
Description	40V 1.5A BUCK LED DRIVER
Published	Feb 13, 2019
Detailed Description	AL8861 40V 1.5A BUCK LED DRIVER Description The DIODESTM AL8861 is a hysteresis-mode DC-DC step-down converter, designe...
Datasheet	AL8861 PDF File

Overview

AL8861 40V 1.
5A BUCK LED DRIVER Description The DIODESTM AL8861 is a hysteresis-mode DC-DC step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.
The device can operate from an input supply between 4.
5V and 40V and provide an externally adjustable output current up to 1A for TSOT25 package and 1.
5A for SOT89-5 and MSOP-8EP packages.
Depending upon supply voltage and external components, this converter can provide up to 40W of output power.
The AL8861 integrates the power switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current.
Di...

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