{"id":869,"date":"2021-12-25T21:02:00","date_gmt":"2021-12-25T13:02:00","guid":{"rendered":"https:\/\/ecmos2.liho.work\/?p=869"},"modified":"2024-09-10T14:09:19","modified_gmt":"2024-09-10T06:09:19","slug":"ec4304c","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/en\/led-driver\/ec4304c\/","title":{"rendered":"EC4304C\uff5c1.5A,Hysteretic,High Brightness LED Driver"},"content":{"rendered":"<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EC4304C.pdf\" download=\"EC4304C.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\n<div class=\"postbutton\">\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">General Description<\/h3>\n\n\n\n<p>The EC4304C is a continuous mode inductive step-down and buck-boost converter, designed for driving single or<br>multiple series connected LEDs from a voltage source higher than or lower than the LED voltage.<br>It operates from input supply between 7V and 40V and provides and externally adjustable output current up to 1.5A with proper supply voltage and external components, the EC4304C can provide more than 50 watts of output power.<br>This EC4304C includes the output switch and high-side output current sensing circuit, which uses an external<br>resistor to set the nominal average output current.<br>The ADJ pin will accept either a wide range pulse dimming waveform or a DC voltage. This will provide either a continuous or gated output current depending upon the control frequency. The soft-start time can be increased<br>by connecting an external capacitor from the ADJ pin to ground. The PWM filter components also serve as soft\u0002start time setting.<br>Applying a 0.2V or lower to the ADJ pin turns the output off and switches the device into a low current standby state.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FEATURES<\/h3>\n\n\n\n<p>\u25c6 Operates from 7V to 40V Supply Voltage<br>\u25c6 Single Pin On\/Off and Brightness Control Using DC Voltage or PWM<br>\u25c6 Up to 95% Efficiency<br>\u25c6 Internal 40V NDMOS Switch<br>\u25c6 Up to 1.5A Output Current<br>\u25c6 Typical +\/-5% LED Current Accuracy<br>\u25c6 Input Under Voltage Lockout<br>\u25c6 SOP 8L(Exposed PAD) Package<br>\u25c6 RoHS Compliant and Halogen-Free<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>\u25c6 Automotive LED Lighting<br>\u25c6 High Power LED Lighting<br>\u25c6 Indicator and Emergency Lighting<br>\u25c6 Architectural Lighting<br>\u25c6 Low Voltage Industrial Lighting<br>\u25c6 Signage and Decorative LED Lighting<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<iframe src=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EC4304C.pdf\" width=\"640\" height=\"1000\" allow=\"autoplay\"><\/iframe>\n\n\n\n<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EC4304C.pdf\" download=\"EC4304C.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\n<div class=\"postbutton\">\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u898f\u683c\u66f8\u4e0b\u8f09 General Description The EC4304C is a continuous m [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"slim_seo":{"description":"The EC4304C is a continuous mode inductive step-down and buck-boost converter, designed for driving single or multiple series connected LEDs from a voltage source higher than or lower than the LED voltage. It operates from input supply between 7V and 40V and provides and externally adjustable output current up to 1.5A with proper supply voltage and external components, the EC4304C can provide more than 50 watts of output power. This EC4304C includes the output switch and high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. The ADJ pin will accept either a wide range pulse dimming waveform or a DC voltage. This will provide either a continuous or gated output current depending upon the control frequency. The soft-start time can be increased by connecting an external capacitor from the ADJ pin to ground. The PWM filter components also serve as softstart time setting. Applying a 0.2V or lower to the ADJ pin turns the output off and switches the device into a low current standby state.","title":"EC4304C\uff5c1.5A,Hysteretic,High Brightness LED Driver - \u98db\u8679\u9ad8\u79d1\u80a1\u4efd\u6709\u9650\u516c\u53f8"},"footnotes":""},"categories":[18],"tags":[],"class_list":["post-869","post","type-post","status-publish","format-standard","hentry","category-led-driver"],"_links":{"self":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/comments?post=869"}],"version-history":[{"count":2,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/869\/revisions"}],"predecessor-version":[{"id":17471,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/869\/revisions\/17471"}],"wp:attachment":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/media?parent=869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/categories?post=869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/tags?post=869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}