{"id":134394,"date":"2018-01-04T23:31:44","date_gmt":"2018-01-04T23:31:44","guid":{"rendered":"https:\/\/\/convertisseur-boost-sepic-inverseur-2mhz-avec-transistor-de-puissance-60v-4a\/"},"modified":"2018-01-04T23:31:44","modified_gmt":"2018-01-04T23:31:44","slug":"convertisseur-boost-sepic-inverseur-2mhz-avec-transistor-de-puissance-60v-4a","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-boost-sepic-inverseur-2mhz-avec-transistor-de-puissance-60v-4a\/","title":{"rendered":"Convertisseur Boost \/ SEPIC \/ Inverseur 2MHz avec transistor de puissance 60V, 4A"},"content":{"rendered":"<p>Le LT8364 peut \u00eatre configur\u00e9 en convertisseur Boost, SEPIC ou Inverseur. Sa fr\u00e9quence de commutation peut \u00eatre programm\u00e9e de 300kHz \u00e0 2MHz, ce qui permet aux concepteurs de r\u00e9duire la taille des composants externes et d\u2019\u00e9viter les bandes de fr\u00e9quences sensibles, comme la bande radio AM. De plus, il pr\u00e9sente un rendement \u00e0 2MHz sup\u00e9rieur \u00e0 90%. Le fonctionnement en Burst Mode<sup>\u00ae<\/sup> r\u00e9duit le courant de repos \u00e0 seulement 9\u00b5A et maintient le niveau d\u2019ondulation de la tension de sortie inf\u00e9rieur \u00e0 15mV<sub>cr\u00eate-\u00e0-cr\u00eate<\/sub>. La combinaison d\u2019un petit bo\u00eetier DFN, 4mm x 3mm, ou MSOP-16E pour tension \u00e9lev\u00e9e, et de petits composants externes assure une empreinte tr\u00e8s compacte et r\u00e9duit le co\u00fbt de la solution.<\/p>\n<p>Le commutateur de puissance de r\u00e9sistance100m\u2126 du LT8364 permet d\u2019atteindre des rendements sup\u00e9rieurs \u00e0 95%. Il peut aussi fonctionner en modulation de fr\u00e9quence \u00e0 \u00e9talement de spectre pour minimiser les probl\u00e8mes li\u00e9s aux EMI (interf\u00e9rences \u00e9lectromagn\u00e9tiques). La tension de sortie, qu\u2019elle soit positive ou n\u00e9gative, est fix\u00e9e via une seule broche de retour, ce qui minimise le nombre&nbsp;de broches. Les autres caract\u00e9ristiques comprennent une synchronisation externe, la programmation de l\u2019UVLO, le repliement en fr\u00e9quence&nbsp;et un d\u00e9marrage progressif programmable.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LT8364\">www.linear.com\/product\/LT8364<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices, Inc. annonce le Power by Linear LT8364, un convertisseur DC\/DC, \u00e9l\u00e9vateur, d\u00e9coupant \u00e0 2MHz, fonctionnant en mode courant et comportant avec un transistor interne de 60V, 4A. Il fonctionne \u00e0 partir d\u2019une plage de tension d\u2019entr\u00e9e allant de 2,8V \u00e0 60V, convenant aux applications dont les sources d\u2019entr\u00e9e sont des batteries constitu\u00e9es d\u2019un ou plusieurs \u00e9l\u00e9ments Li-ion. Il convient \u00e9galement aux tensions d\u2019entr\u00e9e li\u00e9es \u00e0 l\u2019automobile ainsi qu\u2019aux alimentations pour les t\u00e9l\u00e9communications et \u00e0 celles de l\u2019industrie. <\/p>\n","protected":false},"author":9,"featured_media":134395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-134394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur Boost \/ SEPIC \/ Inverseur 2MHz avec transistor de...<\/title>\n<meta name=\"description\" content=\"Analog Devices, Inc. annonce le Power by Linear LT8364, un convertisseur DC\/DC, \u00e9l\u00e9vateur, d\u00e9coupant \u00e0 2MHz, fonctionnant en mode courant et comportant...\" \/>\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\/134394\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur Boost \/ SEPIC \/ Inverseur 2MHz avec transistor de puissance 60V, 4A\" \/>\n<meta property=\"og:description\" content=\"Analog Devices, Inc. annonce le Power by Linear LT8364, un convertisseur DC\/DC, \u00e9l\u00e9vateur, d\u00e9coupant \u00e0 2MHz, fonctionnant en mode courant et comportant avec un transistor interne de 60V, 4A. Il fonctionne \u00e0 partir d\u2019une plage de tension d\u2019entr\u00e9e allant de 2,8V \u00e0 60V, convenant aux applications dont les sources d\u2019entr\u00e9e sont des batteries constitu\u00e9es d\u2019un ou plusieurs \u00e9l\u00e9ments Li-ion. Il convient \u00e9galement aux tensions d\u2019entr\u00e9e li\u00e9es \u00e0 l\u2019automobile ainsi qu\u2019aux alimentations pour les t\u00e9l\u00e9communications et \u00e0 celles de l\u2019industrie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/134394\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-04T23:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6100_lt8364.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2071\" \/>\n\t<meta property=\"og:image:height\" content=\"1479\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta 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