{"id":225033,"date":"2012-09-03T22:00:00","date_gmt":"2012-09-03T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/design-de-reference-de-pilote-de-led-a19\/"},"modified":"2012-09-03T22:00:00","modified_gmt":"2012-09-03T22:00:00","slug":"design-de-reference-de-pilote-de-led-a19","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/design-de-reference-de-pilote-de-led-a19\/","title":{"rendered":"Design de r\u00e9f\u00e9rence de pilote de LED A19"},"content":{"rendered":"<p style=\"margin-left:0cm\" class=\"Paragraphedeliste1\">Ce circuit &eacute;conomique ne n&eacute;cessite qu&rsquo;une carte simple face et 25 composants. Aucun enrobage n&rsquo;est requis et le transformateur est remplac&eacute; par une bobine faible co&ucirc;t.&nbsp; Il utilise une topologie simple de convertisseur buck-boost qui s&rsquo;int&egrave;gre facilement &agrave; l&rsquo;int&eacute;rieur de l&rsquo;ampoule A19. Conforme EN61000-3-2 C, le design pr&eacute;sente un facteur de puissance de plus de 0,98, r&eacute;pondant ais&eacute;ment aux r&eacute;glementations des applications commerciales et grand public. Les puces LinkSwitch-PL combinent en un seul &eacute;tage la correction de facteur de puissance et la conversion continu-continu, &eacute;liminant les condensateurs de stockage &eacute;lectrolytiques, ce qui aboutit &agrave; une tr&egrave;s longue dur&eacute;e de vie.<br \/>\n&quot;L&rsquo;industrie de l&rsquo;&eacute;clairage r&eacute;clame un rendement de l&rsquo;ordre de 80% pour la commande de LED de substitution d&rsquo;ampoules A19 de 60&nbsp;W&quot;, commente Andrew Smith, directeur de marketing produit chez Power Integrations. &quot;Pour une substitution viable d&rsquo;ampoules de 75 et 100&nbsp;W, le rendement doit &ecirc;tre bien plus &eacute;lev&eacute; afin de r&eacute;duire la dissipation dans la commande. Avec 88% de rendement, le DER-323 r&eacute;pond &agrave; ce besoin et rend la conception thermique de l&rsquo;ampoule toute simple et &eacute;conomique. Le DER-323 est &eacute;galement compact, fiable et facile &agrave; fabriquer gr&acirc;ce &agrave; son petit nombre de composants, &agrave; son architecture &agrave; un seul &eacute;tage et &agrave; l&rsquo;emploi d&rsquo;une bobine &agrave; faible co&ucirc;t plut&ocirc;t qu&rsquo;un transformateur.&quot; <\/p>\n<p class=\"MsoNormal\"><a href=\"http:\/\/www.powerint.com\/sites\/default\/files\/PDFFiles\/der323.pdf\" target=\"_blank\" title=\"www.powerint.com\/sites\/default\/files\/PDFFiles\/der323.pdf\" rel=\"noopener\">www.powerint.com\/sites\/default\/files\/PDFFiles\/der323.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Power Integrations publie le design de r\u00e9f\u00e9rence DER-323 d\u00e9crivant une commande de LED A19 non isol\u00e9e de 18 W, de rendement 88%, bas\u00e9e sur la puce bas profil LNK460VG de sa famille LinkSwitch-PL. Le concept convient aux applications de substitution d\u2019ampoules incandescentes de 100 W et est optimis\u00e9 pour les basses tensions de 90 \u00e0 135 Vac.<\/p>\n","protected":false},"author":22,"featured_media":225034,"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-225033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Design de r\u00e9f\u00e9rence de pilote de LED A19 ...<\/title>\n<meta name=\"description\" content=\"Power Integrations publie le design de r\u00e9f\u00e9rence DER-323 d\u00e9crivant une commande de LED A19 non isol\u00e9e de 18 W, de rendement 88%, bas\u00e9e sur la puce bas...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225033\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Design de r\u00e9f\u00e9rence de pilote de LED A19\" \/>\n<meta property=\"og:description\" content=\"Power Integrations publie le design de r\u00e9f\u00e9rence DER-323 d\u00e9crivant une commande de LED A19 non isol\u00e9e de 18 W, de rendement 88%, bas\u00e9e sur la puce bas profil LNK460VG de sa famille LinkSwitch-PL. 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