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LINEAR TECHNOLOGY GmbH Oskar-Messter-Straße 24 85737 Ismaning, Germany http://www.linear.com
Contact Doug Dickinson +1 408-432-1900 ext. 2233
Company logo of LINEAR TECHNOLOGY GmbH
LINEAR TECHNOLOGY GmbH

48V-Abwärtsregler-LED-Treiber im nur 2mm x 2mm großen DFN-Gehäuse treibt zehn 50mA-LEDs

(PresseBox) (Milpitas, California (USA), )
Linear Technology präsentiert den LT3590, einen 48V-DC/DC-Abwärtsregler, der als Konstantstromtreiber für LEDs vorgesehen ist. Ein integrierter 55V/80mA-Schalter und eine ebenfalls integrierte Schottky-Diode ermöglichen es, bis zu zehn in Serie geschaltete 50mA-LEDs aus einer 48V-Spannungsquelle zu speisen. Der Chip ist dadurch eine ideale Lösung für industrielle und Digital-Signage-LED-Anwendungen. Durch die Serienschaltung ergibt sich für alle LEDs der gleiche Betriebsstrom und die gleiche Helligkeit, ohne dass dafür Ballastwiderstände erforderlich sind. Über den CTRL-Anschluss können die LEDs im Verhältnis 200:1 gedimmt werden. Die hohe Schaltfrequenz von 850kHz erlaubt die Verwendung winziger Induktivitäten und Keramikkondensatoren und ergibt einen Wirkungsgrad bis zu 91%. Der Chip nkm nd gmqji 6fo a 8yg zacqcc JNW- aysm JY-71-Beynjak cevvgguxsq pnj pgd iochdrn mlox gctwnvo sotihrgr Aeclbw mks oek Ycraxhudxao ihp Dgbyxriuu-HDTj.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.