{"id":225169,"date":"2012-09-19T22:00:00","date_gmt":"2012-09-19T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-buck-3a-a-courant-constant\/"},"modified":"2012-09-19T22:00:00","modified_gmt":"2012-09-19T22:00:00","slug":"regulateur-buck-3a-a-courant-constant","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/regulateur-buck-3a-a-courant-constant\/","title":{"rendered":"R\u00e9gulateur Buck 3A \u00e0 courant constant"},"content":{"rendered":"<p>Ce composant est con&ccedil;u pour une utilisation dans les applications d&rsquo;&eacute;clairage grand-public, industrielles et architecturales, comprenant le remplacement des ampoules MR16 et la barre lumineuse des scanners et imprimantes multifonctions. Avec une plage de tension d&rsquo;entr&eacute;e comprise entre 6 et 48 V, il int&egrave;gre un MOSFET canal N de commutation pour la conversion DC\/DC. Un vrai courant moyen est g&eacute;n&eacute;r&eacute; en utilisant une m&eacute;thode de contr&ocirc;le de temps ON cycle par cycle. Le courant dans les LEDs peut &ecirc;tre configur&eacute; via une r&eacute;sistance de mesure externe permettant &agrave; la tension de sortie d&rsquo;&ecirc;tre r&eacute;gl&eacute;e pour optimiser l&rsquo;alimentation &agrave; courant constant sur une large vari&eacute;t&eacute;s de configuration LED telles que de multiples LEDs en s&eacute;rie, dans une seule branche ou bien en parall&egrave;le. Le dimming des LEDs est r&eacute;alis&eacute; via un signal PWM sur l&rsquo;entr&eacute;e logique Enable. Cette broche est aussi con&ccedil;ue pour supporter une connexion &agrave; la tension d&rsquo;alimentation pour permettre un simple fonctionnement on\/off sans<br \/>\nun signal Enable s&eacute;par&eacute;.<br \/>\nCe r&eacute;gulateur est propos&eacute; en bo&icirc;tier compact SOIC 8 broches avec une semelle pour am&eacute;liorer la dissipation thermique (suffixe LJ). Il est sans plomb avec un &eacute;tamage 100% &eacute;tain mat.<br \/>\n<a href=\"http:\/\/www.allegromicro.com\" target=\"_blank\" title=\"www.allegromicro.com\" rel=\"noopener\"><br \/>\nwww.allegromicro.com <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9 au pilotage de LEDs de fortes puissances, l\u2019A6211 d\u2019Allegro Microsystems Europe est un r\u00e9gulateur \u00e0 d\u00e9coupage qui d\u00e9livre en sortie un courant de 3 A. Il int\u00e8gre des protections pour g\u00e9rer les courts-circuits entre broches ou \u00e0 la masse, ainsi que les charges en circuit ouvert et en court-circuit.<\/p>\n","protected":false},"author":22,"featured_media":225170,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-225169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur Buck 3A \u00e0 courant constant ...<\/title>\n<meta name=\"description\" content=\"Destin\u00e9 au pilotage de LEDs de fortes puissances, l\u2019A6211 d\u2019Allegro Microsystems Europe est un r\u00e9gulateur \u00e0 d\u00e9coupage qui d\u00e9livre en sortie un...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225169\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur Buck 3A \u00e0 courant constant\" \/>\n<meta property=\"og:description\" content=\"Destin\u00e9 au pilotage de LEDs de fortes puissances, l\u2019A6211 d\u2019Allegro Microsystems Europe est un r\u00e9gulateur \u00e0 d\u00e9coupage qui d\u00e9livre en sortie un courant de 3 A. 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