L\u2019Aim-TTi EX2020R est un alimentateur de puissance DC \u00e0 mode mixte \u00e0 sortie unique offrant une puissance de 400 W, avec une plage de tension de 0 \u00e0 20 V et une capacit\u00e9 allant jusqu\u2019\u00e0 20 A. Il combine une pr\u00e9-r\u00e9gulation par commutation avec une r\u00e9gulation lin\u00e9aire apr\u00e8s commutation pour offrir une efficacit\u00e9 \u00e9lev\u00e9e tout en obtenant des niveaux de bruit proches de ceux d\u2019un r\u00e9gulateur lin\u00e9aire pur. L\u2019EX2020R offre une excellente r\u00e9gulation de ligne et de charge, un faible bruit et une bonne r\u00e9ponse transitoire, avec un fonctionnement \u00e0 tension constante ou \u00e0 courant constant ainsi qu\u2019une commutation automatique. Il dispose de contr\u00f4les analogiques de tension et de courant haute r\u00e9solution, de bornes de d\u00e9tection \u00e0 distance rempla\u00e7ables pour maintenir la r\u00e9gulation sur les charges \u00e9loign\u00e9es, d\u2019un commutateur de sortie DC \u00e9lectronique et de quatre indicateurs LED \u00e0 14 mm s\u00e9par\u00e9s pour la tension et le courant de 10 mV et 10 mA respectivement. La sortie est intrins\u00e8quement r\u00e9sistante aux courts-circuits et prot\u00e9g\u00e9e contre les tensions et les courants invers\u00e9s, tandis qu\u2019un ventilateur intelligent \u00e0 faible bruit procure un refroidissement pour sa grande densit\u00e9 de puissance. Sa petite taille (140 \u00d7 160 \u00d7 320 mm) en fait un appareil adapt\u00e9 aux applications de banc d'essai n\u00e9cessitant une forte puissance et un faible bruit lors de la r\u00e9gulation en mode mixte.<\/p>","protected":false},"excerpt":{"rendered":"
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