{"id":227974,"date":"2013-09-15T22:00:00","date_gmt":"2013-09-15T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuit-de-controle-remplacant-les-ballasts-magnetiques\/"},"modified":"2013-09-15T22:00:00","modified_gmt":"2013-09-15T22:00:00","slug":"circuit-de-controle-remplacant-les-ballasts-magnetiques","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/circuit-de-controle-remplacant-les-ballasts-magnetiques\/","title":{"rendered":"Circuit de contr\u00f4le rempla\u00e7ant les ballasts magn\u00e9tiques"},"content":{"rendered":"<p>Disponible dans un bo&icirc;tier SO8 compact, ce contr&ocirc;leur utilise une m&eacute;thode de contr&ocirc;le unique pour combiner un facteur de puissance &eacute;lev&eacute; et une distorsion harmonique totale THD tr&egrave;s faible, ce qui &eacute;limine le besoin d&rsquo;un &eacute;tage de correction de facteur de puissance PFC et d&rsquo;un condensateur &eacute;lectrolytique en entr&eacute;e. Il embarque un bloc de commande en demi-pont 600 V, un MOSFET de d&eacute;marrage (bootstrap) et un ensemble complet de fonctions de protection afin de r&eacute;duire encore le nombre de composants et la surface occup&eacute;e sur le circuit imprim&eacute; et d&rsquo;augmenter la fiabilit&eacute;.<br \/>\nCe composant comprend &eacute;galement des modes pr&eacute;chauffage, allumage et fonctionnement de la lampe avec, notamment, un contr&ocirc;le du courant de lampe en boucle ferm&eacute;e, un temps de pr&eacute;chauffage fixe de 2 s typique, un temps mort adaptatif de typiquement 0,5 &micro;s &agrave; 1,5 &micro;s, un red&eacute;marrage automatique lors de l&rsquo;insertion d&rsquo;une lampe, un d&eacute;marrage &agrave; faible consommation de125 &micro;A et une diode Zener de verrouillage 15,6 V interne sur VCC.<br \/>\nFournissant tous les avantages d&rsquo;une solution ballast &eacute;lectronique, ce circuit cumule un rendement &eacute;lev&eacute;, un encombrement et un poids limit&eacute;s, et ne g&eacute;n&egrave;re pas de clignotement de la lampe, tout en offrant une excellente fiabilit&eacute; et un co&ucirc;t r&eacute;duit. Il constitue ainsi une alternative plus &eacute;conomique et &eacute;cologique aux approches classiques.<\/p>\n<\/p>\n<p><a title=\"www.irf.com\" href=\"http:\/\/www.irf.com\/\" target=\"_blank\" rel=\"noopener\">www.irf.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tirant parti de ses technologies haute tension et ballast brevet\u00e9es, International Rectifier propose son circuit de contr\u00f4le IRS2538DS offrant une solution mono-circuit simple d&#8217;emploi, \u00e9conomique et \u00e0 performances \u00e9lev\u00e9es pour le remplacement des ballasts magn\u00e9tiques utilis\u00e9s dans les lampes fluorescentes.<\/p>\n","protected":false},"author":22,"featured_media":227975,"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-227974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit de contr\u00f4le rempla\u00e7ant les ballasts magn\u00e9tiques ...<\/title>\n<meta name=\"description\" content=\"Tirant parti de ses technologies haute tension et ballast brevet\u00e9es, International Rectifier propose son circuit de contr\u00f4le IRS2538DS offrant une solution...\" \/>\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\/227974\/\" 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