{"id":174945,"date":"2017-04-25T23:00:00","date_gmt":"2017-04-25T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-elevateur-flyback-et-sepic-haut-rendement-fonctionnant-jusqua-175-c\/"},"modified":"2017-04-25T23:00:00","modified_gmt":"2017-04-25T23:00:00","slug":"controleur-elevateur-flyback-et-sepic-haut-rendement-fonctionnant-jusqua-175-c","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-elevateur-flyback-et-sepic-haut-rendement-fonctionnant-jusqua-175-c\/","title":{"rendered":"Contr\u00f4leur \u00e9l\u00e9vateur, flyback et SEPIC, haut rendement, fonctionnant jusqu\u2019\u00e0 175 \u00b0C"},"content":{"rendered":"<p align=\"left\">Con\u00e7u pour des applications de basse \u00e0 moyenne puissance, ce contr\u00f4leur \u00e9limine le besoin en r\u00e9sistance de mesure de courant (R<sub>SENSE<\/sub>) en se servant de la r\u00e9sistance \u00e0 l\u2019\u00e9tat passant du MOSFET de puissance, optimisant ainsi le rendement. &nbsp;<\/p>\n<p align=\"left\">Sa plage de tension d\u2019entr\u00e9e de 2,5 V \u00e0 36 V est appropri\u00e9e aux applications \u00e0 temp\u00e9rature \u00e9lev\u00e9e tels qu\u2019un \u00e9quipement de forage d\u2019exploration utilisant des alimentations de 3 V \u00e0 36 V.<br \/>\nSes param\u00e8tres \u00e9lectriques sont test\u00e9s 100% \u00e0 175 \u00b0C, pr\u00e9sentant une tension de r\u00e9f\u00e9rence V<sub>REF <\/sub>de pr\u00e9cision \u00b12% sur toute la gamme de temp\u00e9rature de -40 \u00b0C \u00e0 175 \u00b0C.<br \/>\nLa possibilit\u00e9 de fonctionner dans les architectures \u00e9l\u00e9vatrice, SEPIC ou flyback, convient \u00e0 une grande vari\u00e9t\u00e9 d\u2019applications aliment\u00e9es sur batterie comme celles g\u00e9n\u00e9ralement rencontr\u00e9es dans les applications de forage de puits. En outre, le fonctionnement en Burst Mode, avec un faible courant de repos, est bien adapt\u00e9 aux applications qui requi\u00e8rent une autonomie de batterie plus longue.<\/p>\n<p align=\"left\">D\u2019une empreinte tr\u00e8s compacte, ce composant est encapsul\u00e9 dans un petit bo\u00eetier MSOP-10 dont les plots de contact utilisent un rev\u00eatement sp\u00e9cial au Cu\/Ni\/Au assurant une longue dur\u00e9e de vie dans les environnements de haute temp\u00e9rature.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC1871X\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTC1871X<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9 d\u2019une large plage de tension d\u2019entr\u00e9e, le contr\u00f4leur en mode courant, \u00e9l\u00e9vateur, flyback ou SEPIC, LTC1871X de Linear Technology, groupe Analog Devices, g\u00e8re un MOSFET canal N de puissance en ne requ\u00e9rant que peu de composants externes. Sa conception est optimis\u00e9e pour les environnements \u00e0 temp\u00e9rature \u00e9lev\u00e9e jusqu\u2019\u00e0 175 \u00b0C.<\/p>\n","protected":false},"author":9,"featured_media":174946,"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-174945","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>Contr\u00f4leur \u00e9l\u00e9vateur, flyback et SEPIC, haut rendement, fonc...<\/title>\n<meta name=\"description\" content=\"Dot\u00e9 d\u2019une large plage de tension d\u2019entr\u00e9e, le contr\u00f4leur en mode courant, \u00e9l\u00e9vateur, flyback ou SEPIC, LTC1871X de Linear Technology, groupe Analog...\" \/>\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\/174945\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur \u00e9l\u00e9vateur, flyback et SEPIC, haut rendement, fonctionnant jusqu\u2019\u00e0 175 \u00b0C\" \/>\n<meta property=\"og:description\" content=\"Dot\u00e9 d\u2019une large plage de tension d\u2019entr\u00e9e, le contr\u00f4leur en mode courant, \u00e9l\u00e9vateur, flyback ou SEPIC, LTC1871X de Linear Technology, groupe Analog Devices, g\u00e8re un MOSFET canal N de puissance en ne requ\u00e9rant que peu de composants externes. 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