{"id":179677,"date":"2017-03-14T02:00:00","date_gmt":"2017-03-14T02:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-flyback-100-v-fonctionnant-jusqua-150-c\/"},"modified":"2017-03-14T02:00:00","modified_gmt":"2017-03-14T02:00:00","slug":"regulateur-flyback-100-v-fonctionnant-jusqua-150-c","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-flyback-100-v-fonctionnant-jusqua-150-c\/","title":{"rendered":"R\u00e9gulateur flyback 100 V, fonctionnant jusqu\u2019\u00e0 150 \u00b0C"},"content":{"rendered":"<p>Fonctionnant sur une gamme de la tension d\u2019entr\u00e9e de 3 V \u00e0 100 V, ce r\u00e9gulateur int\u00e8gre un commutateur de puissance DMOS de 2 A\/ 150 V et fournit une puissance de sortie jusqu\u2019\u00e0 24 W, ce qui le rend appropri\u00e9 \u00e0 une grande vari\u00e9t\u00e9 d\u2019applications de l\u2019automobile, industrielles, m\u00e9dicales et militaires. La version indice -1 est con\u00e7ue pour fournir des tensions de sortie \u00e9lev\u00e9es jusqu\u2019\u00e0 1 kV.<\/p>\n<p>Ces composants r\u00e9gulent en mode&nbsp;de conduction critique (boundary mode) qui consiste en un contr\u00f4le en mode intensit\u00e9, \u00e0 d\u00e9coupage et \u00e0 fr\u00e9quence variable, autorisant une pr\u00e9cision de la tension de sortie \u00e0 \u00b15% en fonction des variations de la tension de ligne, de la charge et de la temp\u00e9rature. Ce mode permet l\u2019emploi d\u2019un transformateur plus petit que ceux employ\u00e9s dans les conceptions \u00e0 mode conduction continue \u00e9quivalentes. Plusieurs transformateurs standard, mentionn\u00e9s dans la fiche de caract\u00e9ristiques, peuvent \u00eatre utilis\u00e9s dans de nombreuses applications.<br \/>\nLe haut degr\u00e9 d\u2019int\u00e9gration et l\u2019emploi du fonctionnement en Burst Mode, \u00e0 faible niveau d\u2019ondulation, conduisent \u00e0 un produit d\u2019utilisation simple, avec peu de composants, et de haut rendement pour les alimentations isol\u00e9es.<\/p>\n<p>Les caract\u00e9ristiques suppl\u00e9mentaires comprennent&nbsp;une protection contre les courts-circuits, un courant de repos, \u00e0 vide, de 116 \u00b5A, une tension de validation pr\u00e9cise et un arr\u00eat avec hyst\u00e9r\u00e9sis en cas de sous-tension. De plus, le composant dispose d\u2019un d\u00e9marrage progressif int\u00e9gr\u00e9 et d\u2019une compensation de boucle interne, avec une compensation de temp\u00e9rature par diode en sortie.<\/p>\n<p>Propos\u00e9e en petit bo\u00eetier SOT-8 \u00e0 performances thermiques renforc\u00e9es, cette version classe H fonctionne dans la gamme de temp\u00e9rature de jonction de -40 \u00b0C \u00e0 +150 \u00b0C.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LT8304\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LT8304<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9sormais propos\u00e9s en versions de classe H, les r\u00e9gulateurs \u00e0 r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie (flyback) LT8304\/-1 de Linear Technology garantissent un fonctionnement pour une temp\u00e9rature de jonction aussi \u00e9lev\u00e9e que 150 \u00b0C. En \u00e9chantillonnant la tension de sortie isol\u00e9e directement \u00e0 partir du signal du primaire, ils ne n\u00e9cessitent pas de photocoupleur, ni d\u2019un troisi\u00e8me enroulement pour la r\u00e9gulation. <\/p>\n","protected":false},"author":9,"featured_media":179678,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[909,890],"domains":[47],"ppma_author":[1141],"class_list":["post-179677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-batteries-power-supplies-fr","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur flyback 100 V, fonctionnant jusqu\u2019\u00e0 150 \u00b0C ...<\/title>\n<meta name=\"description\" content=\"D\u00e9sormais propos\u00e9s en versions de classe H, les r\u00e9gulateurs \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie (flyback) LT8304\/-1 de Linear Technology garantissent un...\" \/>\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\/179677\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur flyback 100 V, fonctionnant jusqu\u2019\u00e0 150 \u00b0C\" \/>\n<meta property=\"og:description\" content=\"D\u00e9sormais propos\u00e9s en versions de classe H, les r\u00e9gulateurs \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie (flyback) LT8304\/-1 de Linear Technology garantissent un fonctionnement pour une temp\u00e9rature de jonction aussi \u00e9lev\u00e9e que 150 \u00b0C. 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