{"id":180214,"date":"2017-03-10T04:00:00","date_gmt":"2017-03-10T04:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-buck-boost-a-larges-plages-de-tensions-dentree-et-de-sortie\/"},"modified":"2017-03-10T04:00:00","modified_gmt":"2017-03-10T04:00:00","slug":"regulateur-buck-boost-a-larges-plages-de-tensions-dentree-et-de-sortie","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-buck-boost-a-larges-plages-de-tensions-dentree-et-de-sortie\/","title":{"rendered":"R\u00e9gulateur Buck-Boost \u00e0 larges plages de tensions d\u2019entr\u00e9e et de sortie"},"content":{"rendered":"<p>Dot\u00e9 de la technologie propri\u00e9taire brevet\u00e9e ZVS de commutation \u00e0 z\u00e9ro de tension (Zero-Voltage Switching) et affichant d\u2019excellentes performances en termes de rendement, de densit\u00e9 de puissance et de r\u00e9sultats, ce r\u00e9gulateur se r\u00e9v\u00e8le particuli\u00e8rement bien adapt\u00e9 pour les applications exigeantes&nbsp;de l\u2019automobile, l\u2019industrie, l\u2019automatisation des tests, l\u2019\u00e9clairage par LED et la charge de batteries. Comme tous les autres membres de cette famille, il respecte ses sp\u00e9cifications de performance d\u00e8s la premi\u00e8re utilisation, sur l\u2019ensemble de sa plage de tension de fonctionnement, sans avoir besoin d\u2019aucune personnalisation particuli\u00e8re.<\/p>\n<p>Gr\u00e2ce \u00e0 sa large plage de tension de fonctionnement, le nombre de r\u00e9gulateurs et le nombre de syst\u00e8mes d\u2019alimentation devant \u00eatre con\u00e7us, configur\u00e9s, fabriqu\u00e9s, inventori\u00e9s et maintenus, est r\u00e9duit. Ce r\u00e9gulateur peut \u00eatre utilis\u00e9 sur un large \u00e9ventail d&rsquo;applications qui, sinon, exigeraient d&rsquo;utiliser plusieurs dispositifs poss\u00e9dant des plages de tensions de fonctionnement plus r\u00e9duites. Par exemple, une alimentation int\u00e9grant ce composant peut \u00eatre con\u00e7ue pour fonctionner sur, ou charger une batterie 12&nbsp;V comme 24&nbsp;V. Comme tous les convertisseurs de la gamme qui assurent une transition ais\u00e9e entre le mode \u00e9l\u00e9vateur (Boost) et le mode abaisseur (Buck), ce mod\u00e8le convient particuli\u00e8rement pour les applications o\u00f9 la tension d\u2019entr\u00e9e du r\u00e9gulateur varie au-dessus et en dessous de la tension de sortie. En outre, le contr\u00f4leur ZVS, les commutateurs d\u2019alimentation et des circuits \u00e9lectroniques adapt\u00e9s sont int\u00e9gr\u00e9s dans un bo\u00eetier SiP haute densit\u00e9 de 10&nbsp;x&nbsp;14&nbsp;x&nbsp;2,5&nbsp;mm, \u00e0 performances thermiques renforc\u00e9es.<\/p>\n<hr \/>\n<p>Parmi les autres caract\u00e9ristiques de ce composant, on peut citer&nbsp;un fonctionnement haute fr\u00e9quence (1&nbsp;MHz), une plage de temp\u00e9rature de -40&nbsp;\u00b0C \u00e0 +115&nbsp;\u00b0C, des options de mise en parall\u00e8le, ainsi que des modes de fonctionnement en tension constante et en courant constant, pour les applications d\u2019\u00e9clairage par LED, par exemple. Il dispose \u00e9galement de protections contre les surtensions, les surchauffes et les surintensit\u00e9s, et int\u00e8gre un amplificateur de capteur de courant et un autre \u00e0 usage g\u00e9n\u00e9ral.<\/p>\n<p>Gr\u00e2ce \u00e0 l\u2019ensemble de ses caract\u00e9ristiques soutenu par une suite en ligne d\u2019outils de conception, d\u2019analyse syst\u00e8me et de simulation, ce r\u00e9gulateurs offre aux utilisateurs la possibilit\u00e9 de configurer rapidement et de mani\u00e8re \u00e9conomique un syst\u00e8me d&rsquo;alimentation fiable, haute densit\u00e9 et \u00e0 performances \u00e9lev\u00e9es.<\/p>\n<p><a href=\"http:\/\/www.vicorpower.com\/new-products\/cool-power-zvs-buck-regulator\" target=\"_blank\" rel=\"noopener\">www.vicorpower.com\/r\u00e9gulateur Cool-Power PI3740<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La famille PI37xx de r\u00e9gulateurs DC\/DC Buck-Boost Cool-Power ZVS de Vicor s\u2019\u00e9tend avec le mod\u00e8le PI3740 offrant jusqu\u2019\u00e0 140 W de puissance et jusqu\u2019\u00e0 8 A en courant de sortie, avec un rendement atteignant les 96 %. Sa plage de tension d\u2019entr\u00e9e s\u2019\u00e9tend de 8 V \u00e0 60 V et celle de sortie, r\u00e9gul\u00e9e, est comprise entre 10 V et 50 V. <\/p>\n","protected":false},"author":9,"featured_media":180215,"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-180214","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 Buck-Boost \u00e0 larges plages de tensions d\u2019entr\u00e9e...<\/title>\n<meta name=\"description\" content=\"La famille PI37xx de r\u00e9gulateurs DC\/DC Buck-Boost Cool-Power ZVS de Vicor s\u2019\u00e9tend avec le mod\u00e8le PI3740 offrant jusqu\u2019\u00e0 140 W de puissance et...\" \/>\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\/180214\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur Buck-Boost \u00e0 larges plages de tensions d\u2019entr\u00e9e et de sortie\" \/>\n<meta property=\"og:description\" content=\"La famille PI37xx de r\u00e9gulateurs DC\/DC Buck-Boost Cool-Power ZVS de Vicor s\u2019\u00e9tend avec le mod\u00e8le PI3740 offrant jusqu\u2019\u00e0 140 W de puissance et jusqu\u2019\u00e0 8 A en courant de sortie, avec un rendement atteignant les 96 %. Sa plage de tension d\u2019entr\u00e9e s\u2019\u00e9tend de 8 V \u00e0 60 V et celle de sortie, r\u00e9gul\u00e9e, est comprise entre 10 V et 50 V.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/180214\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2017-03-10T04:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8412_vicor_v339_-_pi3740_cool_power.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"863\" \/>\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 name=\"twitter:data1\" content=\"Alain 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