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AS3691

Part Number	AS3691
Manufacturer	austriamicrosystems AG
Description	4 Precision 400mA Current Sources
Published	Mar 14, 2010
Detailed Description	AS3691 Product Brief austria micro systems www.DataSheet4U.com Product Brief AS3691 4 Precision 400mA Current Sources...
Datasheet	AS3691 PDF File

Overview

AS3691 Product Brief austria micro systems www.
DataSheet4U.
com Product Brief AS3691 4 Precision 400mA Current Sources for RGB and Single Color Leds 1 General Description The AS3691 features four high precision current sources for driving up to four LED strings (RGB or single color leds).
Each of the four currents sources can be controlled independently by PWM inputs.
The full scale current value is set by external resistors.
Very wide output voltage current source voltage compliance − Down to 0.
41V 2) − Up to 15V Integrated overtemperature protection Separate sense pads (Rfb1-Rfb4) for easy and precise PCB Layout Package − DIE − QFN24 4x4mm 15V is sufficient for most applications as the AS3691 dose not switch off the LED current completely 2) 2 Key Features 4 x 400mA constant current outputs Programmable with external resistors 4 independent PWM inputs Absolute current accuracy +/-0.
5% ’ Automatic Supply Regulation’ to reduce power 1) dissipation 1) 3 Applications General Lighting...

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