{"id":1509,"date":"2021-12-19T17:22:00","date_gmt":"2021-12-19T09:22:00","guid":{"rendered":"https:\/\/22ya4u4yz3u0.wpsite.pro\/?p=1509"},"modified":"2024-09-10T13:25:45","modified_gmt":"2024-09-10T05:25:45","slug":"ec1457","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/en\/dc-converter-buck\/ec1457\/","title":{"rendered":"EC1457\uff5c40V, 3A Asynchronous Step-Down Converter"},"content":{"rendered":"<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EC1457_9L27N-Rev.F001_v2.pdf\" download=\"EC1457_9L27N-Rev.F001_v2.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 EC1457 is a current mode monolithic buck switching regulator.<\/p>\n\n\n\n<p>Operating with an input range of 4.5\u00ad40V, the EC1457 delivers 3A of continuous output current with an integrated high side N\u00adChannel MOSFET. At light loads, EC1457 operates in low frequency to maintain high efficiency and low output voltage ripple.<\/p>\n\n\n\n<p>Current mode control provides tight load transient response and cycle\u00adby\u00adcycle current limiting.<\/p>\n\n\n\n<p>The EC1457 guarantees robustness with input under\u00advoltage lockout, start\u00adup current run\u00adaway protection, output short protection, feedback short protection and thermal protection.<\/p>\n\n\n\n<p>The EC1457 is available in 8\u00adpin ESOP package.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<p>\u25c64.5V to 40V operating input range 3A output current<br>\u25c6 Up to 94% efficiency<br>\u25c6 High efficiency (&gt;78%) at light load<br>\u25c6Internal Soft\u00adStart<br>\u25c6Adjustable switch frequency from 100kHz to 900kHz<br>\u25c6Input under\u00advoltage lockout<br>\u25c6 Start\u00adup current run\u00adaway protection<br>\u25c6Output short protection<br>\u25c6Feedback short protection<br>\u25c6 Thermal protection<br>\u25c6 Available in ESOP8 package<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>\u25c6Distributed Power Systems<br>\u25c6Networking Systems<br>\u25c6FPGA, DSP, ASIC Power Supplies<br>\u25c6Green Electronics\/ Appliances<br>\u25c6Notebook Computers<\/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\/EC1457_9L27N-Rev.F001_v2.pdf\" width=\"640\" height=\"1000\" allow=\"autoplay\"><\/iframe>\n\n\n\n<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EC1457_9L27N-Rev.F001_v2.pdf\" download=\"EC1457_9L27N-Rev.F001_v2.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 EC1457 is a current mode  [&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 EC1457 is a current mode monolithic buck switching regulator. Operating with an input range of 4.5\u00ad40V, the EC1457 delivers 3A of continuous output current with an integrated high side N\u00adChannel MOSFET. At light loads, EC1457 operates in low frequency to maintain high efficiency and low output voltage ripple. Current mode control provides tight load transient response and cycle\u00adby\u00adcycle current limiting. The EC1457 guarantees robustness with input under\u00advoltage lockout, start\u00adup current run\u00adaway protection, output short protection, feedback short protection and thermal protection. The EC1457 is available in 8\u00adpin ESOP package.","title":"EC1457\uff5c40V, 3A Asynchronous Step-Down Converter - \u98db\u8679\u9ad8\u79d1\u80a1\u4efd\u6709\u9650\u516c\u53f8"},"footnotes":""},"categories":[12],"tags":[],"class_list":["post-1509","post","type-post","status-publish","format-standard","hentry","category-dc-converter-buck"],"_links":{"self":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/1509","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=1509"}],"version-history":[{"count":2,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/1509\/revisions"}],"predecessor-version":[{"id":17326,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/1509\/revisions\/17326"}],"wp:attachment":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/media?parent=1509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/categories?post=1509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/tags?post=1509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}