{"id":898,"date":"2021-12-24T21:08:00","date_gmt":"2021-12-24T13:08:00","guid":{"rendered":"https:\/\/ecmos2.liho.work\/?p=898"},"modified":"2024-09-10T14:11:15","modified_gmt":"2024-09-10T06:11:15","slug":"ec4215","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/cn\/led-driver\/ec4215\/","title":{"rendered":"EC4215\uff5cConst. Current LED Driver With PWM Dimming"},"content":{"rendered":"<h3 class=\"wp-block-heading\">General description<\/h3>\n\n\n\n<p>The EC4215 is a constant current linear high voltage LED driver for replace discrete solutions in AC\/DC power application (up to 270VAC).<br>The device can drive an output power of \u00b110% variation from a universal input voltage range of 120VAC\u00b116%, or 230VAC\u00b116% for different LED strings.<br>The solution eliminates the need of individual components by combining them into a single package, which results in a significant reduction of both system cost and board space.<br>The EC4215 can as a constant current sink for high voltage LED or low voltage LED strings in series.<br>For higher current application, multiple EC4215s can also be used in parallel such as 60mA, 80mA or 160mA.<br>The EC4215 is capable of a dimming input for adjustable LED brightness control by Pulse Width Modulation (PWM).<br>The EC4215 is self-protected against over temperature and over current.<br>Internal thermal foldback function regulates LED driving current automatically to limit die temperature during high power operation or high ambient temperature conditions.<br>These features provide maximum system protection for the demanding lighting applications.<br>The EC4215 is available in a space saving DFN-8L exposed pad package, and the operating temperature is from \u201340\u00b0C to +125\u00b0C.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<p>\u2022 Universal Input Voltage Range of 120VAC\u00b116% or 230VAC\u00b116%<br>\u2022 Adjusted Constant Current Operation<br>\u2022 Low Quiescent Current<br>\u2022 Simplifies Circuit and System Designs<br>\u2022 Compact Component Count<br>\u2022 Temperature Compensated Constant Current<br>\u2022 Over Current Protection<br>\u2022 Over Temperature Protection<br>\u2022 LED Current Thermal Foldback for Thermal Protection<br>\u2022 PWM Dimming Control<br>\u2022 DFN-8LExposed Pad Package<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>\u2022 LED Driver<br>\u2022 Lighting Applications<br>\u2022 Lamp Indicators<br>\u2022 Candle Light<br>\u2022 Low Cost solution<br>\u2022 Constant Current Sink<\/p>","protected":false},"excerpt":{"rendered":"<p>General description The EC4215 is a constant current li [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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to 270VAC). The device can drive an output power of \u00b110% variation from a universal input voltage range of 120VAC\u00b116%, or 230VAC\u00b116% for different LED strings. The solution eliminates the need of individual components by combining them into a single package, which results in a significant reduction of both system cost and board space. The EC4215 can as a constant current sink for high voltage LED or low voltage LED strings in series. For higher current application, multiple EC4215s can also be used in parallel such as 60mA, 80mA or 160mA. The EC4215 is capable of a dimming input for adjustable LED brightness control by Pulse Width Modulation (PWM). The EC4215 is self-protected against over temperature and over current. Internal thermal foldback function regulates LED driving current automatically to limit die temperature during high power operation or high ambient temperature conditions. These features provide maximum system protection for the demanding lighting applications. The EC4215 is available in a space saving DFN-8L exposed pad package, and the operating temperature is from \u201340\u00b0C to +125\u00b0C.","title":"EC4215\uff5cConst. Current LED Driver With PWM Dimming - \u98db\u8679\u9ad8\u79d1\u80a1\u4efd\u6709\u9650\u516c\u53f8"},"footnotes":""},"categories":[18],"tags":[],"class_list":["post-898","post","type-post","status-publish","format-standard","hentry","category-led-driver"],"_links":{"self":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/comments?post=898"}],"version-history":[{"count":2,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/898\/revisions"}],"predecessor-version":[{"id":17481,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/898\/revisions\/17481"}],"wp:attachment":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/media?parent=898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/categories?post=898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/tags?post=898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}