{"id":222403,"date":"2011-09-06T22:00:00","date_gmt":"2011-09-06T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/conception-de-reference-de-ballast-declairage-25-w\/"},"modified":"2011-09-06T22:00:00","modified_gmt":"2011-09-06T22:00:00","slug":"conception-de-reference-de-ballast-declairage-25-w","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/conception-de-reference-de-ballast-declairage-25-w\/","title":{"rendered":"Conception de r\u00e9f\u00e9rence de ballast d&rsquo;\u00e9clairage 25 W"},"content":{"rendered":"<p>La technologie &agrave; &eacute;tage unique augmente consid&eacute;rablement la dur&eacute;e de vie du produit en &eacute;liminant les optocoupleurs et les volumineux condensateurs &eacute;lectrolytiques d&rsquo;entr&eacute;e exig&eacute;s part les solutions conventionnelles &agrave; deux &eacute;tages. Andrew Smith, directeur du marketing produit &agrave; Power Integrations, explique : &quot;Il est aussi essentiel d&rsquo;obtenir un rendement de conversion tr&egrave;s &eacute;lev&eacute; que de bien choisir la LED pour maximiser le rendement lumineux d&rsquo;un luminaire. Des rendements sup&eacute;rieurs &agrave; 88 % sont extr&ecirc;mement difficiles &agrave; obtenir &eacute;conomiquement avec un format de tube T8 a moins d&rsquo;utiliser une topologie &agrave; &eacute;tage unique, et cette conception d&eacute;passe facilement 91 %. Par ailleurs, la plupart des r&eacute;gions exigent soit une faible distorsion harmonique totale soit un facteur de puissance &eacute;lev&eacute; dans les installations d&rsquo;&eacute;clairage commercial et industriel, des sp&eacute;cifications auxquelles le circuit driver de LED <a href=\"http:\/\/www.powerint.com\/en\/products\/linkswitch-family\/linkswitch-ph?AdSource=PRen\">LinkSwitch-PH<\/a> se conforme facilement, permettant de r&eacute;aliser des conceptions pouvant &ecirc;tre utilis&eacute;es dans le monde entier.&rdquo;<br \/>\nEn plus de la conception monolithique &agrave; haute int&eacute;gration qui combine un contr&ocirc;leur, un driver et un MOSFET de commutation dans un seul bo&icirc;tier, la famille <a href=\"http:\/\/www.powerint.com\/en\/products\/linkswitch-family\/linkswitch-ph?AdSource=PRen\">LinkSwitch-PH<\/a> de Power Integrations comporte de nombreuses fonctions de protection comme une protection&nbsp; contre la surchauffe et la surintensit&eacute;. Ceci signifie que tr&egrave;s peu de composants suppl&eacute;mentaires sont n&eacute;cessaires&nbsp; pour mettre en &oelig;uvre la solution, une consid&eacute;ration tr&egrave;s importante dans des bo&icirc;tiers de tubes T8 compacts. Un rapport d&rsquo;exemple de conception (<a href=\"http:\/\/www.powerint.com\/sites\/default\/files\/PDFFiles\/der287.pdf\">DER-287<\/a>) peut &ecirc;tre t&eacute;l&eacute;charg&eacute; sur le site Web de Power Integrations &agrave; <a href=\"http:\/\/www.powerint.com\/sites\/default\/files\/PDFFiles\/der287.pdf\">www.powerint.com\/sites\/default\/files\/PDFFiles\/der287.pdf<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Power Integrations vient de publier une nouvelle conception de r\u00e9f\u00e9rence pour ballast d&rsquo;alimentation de tube LED 25 W T8. Remarquable pour son rendement sup\u00e9rieur \u00e0 91 %, cette conception r\u00e9pond aussi aux exigences commerciales de facteur de puissance (sup\u00e9rieur \u00e0 0,9) et de distorsion harmonique (EN61000-3-2 Classe C). DER-287 est un convertisseur \u00e0 \u00e9tage unique construit autour du LNK409EG, un membre de la famille de circuits int\u00e9gr\u00e9s drivers de LED LinkSwitch-PH.<\/p>\n","protected":false},"author":22,"featured_media":222404,"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-222403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Conception de r\u00e9f\u00e9rence de ballast d&#039;\u00e9clairage 25 W ...<\/title>\n<meta name=\"description\" content=\"Power Integrations vient de publier une nouvelle conception de r\u00e9f\u00e9rence pour ballast d&#039;alimentation de tube LED 25 W T8. 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DER-287 est un convertisseur \u00e0 \u00e9tage unique construit autour du LNK409EG, un membre de la famille de circuits int\u00e9gr\u00e9s drivers de LED LinkSwitch-PH.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/222403\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2011-09-06T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/import\/eci2280_power.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2100\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews Europe\" 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