{"id":223331,"date":"2012-01-05T23:00:00","date_gmt":"2012-01-05T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuits-dalimentation-et-de-controle-lnb\/"},"modified":"2012-01-05T23:00:00","modified_gmt":"2012-01-05T23:00:00","slug":"circuits-dalimentation-et-de-controle-lnb","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuits-dalimentation-et-de-controle-lnb\/","title":{"rendered":"Circuits d\u2019alimentation et de contr\u00f4le LNB"},"content":{"rendered":"

Ces composants sont des régulateurs linéaires et switch spécialement conçus pour fournir la puissance et les signaux d’interface vers un convertisseur LNB via un câble coaxial. Ils offrent des protections internes renforcées, un MOSFET interne de "boost", une mesure de courant et une compensation. Cela simplifie la conception et limite le besoin en composants externes ce qui permet de réduire la taille du circuit imprimé.<\/p>\n

Tous ces circuits sont caractérisés par des tensions d’alimentation limitées pour réduire la dépense énergétique, des capacités de diagnostiques internes et une limitation de courant de sortie programmable par résistance ce qui minimise la taille et le coût de la diode et de l’inductance de boost.<\/p>\n

Les A8295SESTR-T et A8298SESTR-T sont disponibles en boitiers TQFN\/MLP-20 de 4 x 4 mm alors que le A8297SETTR-T est proposé en boitier TQFN\/MLP-28 de 5 x 5 mm.<\/p>\n

 <\/p>\n

www.allegromicro.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Allegro MicroSystems Europe propose sa derni\u00e8re g\u00e9n\u00e9ration de r\u00e9gulateurs LNB ( Low-Noise Block ) simple et double, les A8295, A8297 et A8298, qui assurent l\u2019alimentation et le contr\u00f4le de la tension des r\u00e9cepteurs satellite des d\u00e9codeurs et des t\u00e9l\u00e9viseurs LCD.<\/p>\n","protected":false},"author":22,"featured_media":223332,"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-223331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Circuits d\u2019alimentation et de contr\u00f4le LNB ...<\/title>\n<meta name=\"description\" content=\"Allegro MicroSystems Europe propose sa derni\u00e8re g\u00e9n\u00e9ration de r\u00e9gulateurs LNB ( Low-Noise Block ) 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