{"id":9841,"date":"2022-10-14T15:54:00","date_gmt":"2022-10-14T07:54:00","guid":{"rendered":"https:\/\/22ya4u4yz3u0.wpsite.pro\/?p=9841"},"modified":"2024-09-10T14:56:43","modified_gmt":"2024-09-10T06:56:43","slug":"emp3421","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/cn\/synchronous-step-down-converter\/emp3421\/","title":{"rendered":"EMP3421\uff5c2A, 4.5V-20V Input,1MHz Synchronous Step-Down Converter"},"content":{"rendered":"<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2022\/01\/EMP3421_1J27N-Rev.F001.pdf\" download=\"EMP3421_1J27N-Rev.F001.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 is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">General Description<\/h3>\n\n\n\n<p>EMP3421 is a fully integrated, high efficiency 2A synchronous rectified step-down converter.<br>The EMP3421 operates at high efficiency over a wide output current load range.<br>This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.<br>The EMP3421 requires a minimum number of readily available standard external components and is available in an 6-pin SOT23 ROHS compliant package.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Features<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High Efficiency: Up to 96%<\/li>\n\n\n\n<li>1MHz Frequency Operation<\/li>\n\n\n\n<li>2A Output Current<\/li>\n\n\n\n<li>No Schottky Diode Required<\/li>\n\n\n\n<li>4.5V to 20V Input Voltage Range<\/li>\n\n\n\n<li>0.6V Reference<\/li>\n\n\n\n<li>Slope Compensated Current Mode Control for Excellent Line and Load Transient Response<\/li>\n\n\n\n<li>Integrated internal compensation<\/li>\n\n\n\n<li>Stable with Low ESR Ceramic Output Capacitors<\/li>\n\n\n\n<li>Over Current Protection with Hiccup-Mode<\/li>\n\n\n\n<li>Thermal Shutdown<\/li>\n\n\n\n<li>Inrush Current Limit and Soft Start<\/li>\n\n\n\n<li>Available in SOT23-6 Package<\/li>\n\n\n\n<li>-40\u00b0C to +85\u00b0C Temperature Range<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Applications<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Distributed Power Systems<\/li>\n\n\n\n<li>Digital Set Top Boxes<\/li>\n\n\n\n<li>Flat Panel Television and Monitors<\/li>\n\n\n\n<li>Wireless and DSL Modems<\/li>\n\n\n\n<li>Notebook Computer<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-wide\"\/>\n\n\n\n<iframe src=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2022\/01\/EMP3421_1J27N-Rev.F001.pdf\" width=\"640\" height=\"1000\" allow=\"autoplay\"><\/iframe>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-wide\"\/>\n\n\n\n<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2022\/01\/EMP3421_1J27N-Rev.F001.pdf\" download=\"EMP3421_1J27N-Rev.F001.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\n<div class=\"postbutton\">\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u898f\u683c\u66f8\u4e0b\u8f09 General Description EMP3421 is a fully integrated [&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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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":"MP3421 is a fully integrated, high efficiency 2A synchronous rectified step-down converter. The EMP3421 operates at high efficiency over a wide output current load range. This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load. The EMP3421 requires a minimum number of readily available standard external components and is available in an 6-pin SOT23 ROHS compliant package.","title":"EMP3421\uff5c2A, 4.5V-20V Input,1MHz Synchronous Step-Down Converter - \u98db\u8679\u9ad8\u79d1\u80a1\u4efd\u6709\u9650\u516c\u53f8"},"footnotes":""},"categories":[43],"tags":[],"class_list":["post-9841","post","type-post","status-publish","format-standard","hentry","category-synchronous-step-down-converter"],"_links":{"self":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/9841","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=9841"}],"version-history":[{"count":4,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/9841\/revisions"}],"predecessor-version":[{"id":17600,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/posts\/9841\/revisions\/17600"}],"wp:attachment":[{"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/media?parent=9841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/categories?post=9841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/cn\/wp-json\/wp\/v2\/tags?post=9841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}