{"id":225912,"date":"2012-12-18T23:00:00","date_gmt":"2012-12-18T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateurs-a-courant-constant-pour-systemes-declairage-a-semiconducteurs\/"},"modified":"2012-12-18T23:00:00","modified_gmt":"2012-12-18T23:00:00","slug":"regulateurs-a-courant-constant-pour-systemes-declairage-a-semiconducteurs","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/regulateurs-a-courant-constant-pour-systemes-declairage-a-semiconducteurs\/","title":{"rendered":"R\u00e9gulateurs \u00e0 courant constant pour syst\u00e8mes d&rsquo;\u00e9clairage \u00e0 semiconducteurs"},"content":{"rendered":"<p>Ces r&eacute;gulateurs CCR prot&egrave;gent contre les surtensions, typiques de ces applications d&rsquo;&eacute;clairage. Bas&eacute;s sur la technologie SBT (Self-Biased Transistor) les r&eacute;gulateurs NSIC20XX permettent de r&eacute;guler le courant sur une large plage de tension tandis que leur coefficient de temp&eacute;rature n&eacute;gatif permet de prot&eacute;ger les LED contre tout emballement thermique en cas de tensions ou de courants extr&ecirc;mes.<br \/>\n&quot;Alors que la demande en &eacute;clairage &agrave; semiconducteurs continue de cro&icirc;tre, les concepteurs doivent &ecirc;tre s&ucirc;rs que les LED utilis&eacute;es ne risquent pas d&rsquo;&ecirc;tre endommag&eacute;es par des temp&eacute;ratures extr&ecirc;mes ou des courants excessifs, pour pouvoir garantir le fonctionnement &agrave; long terme du syst&egrave;me d&rsquo;&eacute;clairage&quot; d&eacute;clare Dan Huettl, Directeur G&eacute;n&eacute;ral et Directeur Senior pour les Small Signal Products (produits petits signaux) chez ON Semiconductor. &quot;Gr&acirc;ce &agrave; leur fonction de suppression des pics de tension et &agrave; leur coefficient de temp&eacute;rature n&eacute;gatif et &agrave; leur tension de rupture &eacute;lev&eacute;e, les r&eacute;gulateurs &agrave; courant constant NSIC20XX, fournissent les m&eacute;canismes de protection n&eacute;cessaires aux applications d&rsquo;&eacute;clairage les plus exigeantes.&quot;<br \/>\nLa gamme de r&eacute;gulateurs &agrave; courant constant NSIC20XX constitue une option bien plus simple, plus fiable et plus &eacute;conomique pour r&eacute;guler le courant des LED, que les circuits classiques &agrave; base de composants discrets passifs. Dans la mesure o&ugrave; ces r&eacute;gulateurs ne n&eacute;cessitent aucun composant externe, ils peuvent &ecirc;tre connect&eacute;s au point chaud de l&rsquo;alimentation, &quot; en high side &quot; aussi bien qu&rsquo;&agrave; la masse &quot; en low side &quot; , ce qui facilite le d&eacute;veloppement et permet une grande souplesse de conception.<br \/>\nLes NSIC2020BT3G, NSIC2030BT3G, NSIC2050BT3G ont des courants en r&eacute;gime &eacute;tabli (IRegSS) de 20 mA, 30 mA et 50 mA, respectivement. Ils s&rsquo;allument imm&eacute;diatement et atteignent un niveau de r&eacute;gulation de 45% avec une tension anode-cathode (Vak) de seulement 0.5V. Ces dispositifs sont con&ccedil;us pour &ecirc;tre tr&egrave;s robustes thermiquement, en supportant une temp&eacute;rature de jonction de &minus;55&deg;C &agrave; +175&deg;C, et ils sont certifi&eacute;s UL94&minus;V0.<\/p>\n<p><a href=\"http:\/\/www.onsemi.com\" target=\"_blank\" title=\"www.onsemi.com\" rel=\"noopener\">www.onsemi.com <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ON Semiconductor pr\u00e9sente sa nouvelle gamme de r\u00e9gulateurs lin\u00e9aires de courant constant (CCR), NSIC20xx, destin\u00e9s aux syst\u00e8mes d&rsquo;\u00e9clairage \u00e0 semiconducteurs. La gamme NSIC20XX offre une tension nominale maximum de 120V, pour une puissance de 3W, et tol\u00e8re les tensions cr\u00eate \u00e9lev\u00e9es des applications d&rsquo;\u00e9clairage \u00e0 LED ultra-lumineuses aliment\u00e9es par un courant alternatif, notamment les syst\u00e8mes de signalisation num\u00e9riques et les panneaux d&rsquo;\u00e9clairage ou d&rsquo;ambiance.<\/p>\n","protected":false},"author":22,"featured_media":225913,"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-225912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateurs \u00e0 courant constant pour syst\u00e8mes d&#039;\u00e9clairage \u00e0...<\/title>\n<meta name=\"description\" content=\"ON Semiconductor pr\u00e9sente sa nouvelle gamme de r\u00e9gulateurs lin\u00e9aires de courant constant (CCR), NSIC20xx, destin\u00e9s aux syst\u00e8mes d&#039;\u00e9clairage \u00e0...\" \/>\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\/225912\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateurs \u00e0 courant constant pour syst\u00e8mes d&#039;\u00e9clairage \u00e0 semiconducteurs\" \/>\n<meta property=\"og:description\" content=\"ON Semiconductor pr\u00e9sente sa nouvelle gamme de r\u00e9gulateurs lin\u00e9aires de courant constant (CCR), NSIC20xx, destin\u00e9s aux syst\u00e8mes d&#039;\u00e9clairage \u00e0 semiconducteurs. La gamme NSIC20XX offre une tension nominale maximum de 120V, pour une puissance de 3W, et tol\u00e8re les tensions cr\u00eate \u00e9lev\u00e9es des applications d&#039;\u00e9clairage \u00e0 LED ultra-lumineuses aliment\u00e9es par un courant alternatif, notamment les syst\u00e8mes de signalisation num\u00e9riques et les panneaux d&#039;\u00e9clairage ou d&#039;ambiance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225912\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-12-18T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3580_on.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews 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