{"id":10502,"date":"2023-05-01T10:20:40","date_gmt":"2023-05-01T10:20:40","guid":{"rendered":"https:\/\/metroekart.com\/?post_type=product&#038;p=10502"},"modified":"2026-04-27T05:12:57","modified_gmt":"2026-04-27T05:12:57","slug":"uc3845-current-mode-pwm-controller-ic-dip","status":"publish","type":"product","link":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","title":{"rendered":"UC3845 Current Mode PWM Controller IC DIP"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10502\" class=\"elementor elementor-10502\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab4ab1d elementor-section-boxed elementor-section-height-default elementor-section-height-default wd-section-disabled\" data-id=\"ab4ab1d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-55df336\" data-id=\"55df336\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f14d410 elementor-widget elementor-widget-wd_text_block\" data-id=\"f14d410\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-70db5d1\" data-id=\"70db5d1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<div class=\"tab-content\">\n<div id=\"tab-description\" class=\"tab-pane active\">\n<div class=\"tab-content\">\n<div id=\"tab-description\" class=\"tab-pane active\">\n<div class=\"tab-content\">\n<div id=\"tab-description\" class=\"tab-pane active\">\n<ul class=\"a-unordered-list a-vertical a-spacing-mini\">\n<li>Fixed Frequency Current-Mode PWM Controller<\/li>\n<li>Trimmed Oscillator Discharge Current for Precise Duty Cycle Control<\/li>\n<li>Current Mode Operation to 500 kHz<\/li>\n<li>Automatic Feed Forward Compensation<\/li>\n<li>Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting<\/li>\n<li>Internally Trimmed Reference with Under voltage Lockout<\/li>\n<li>High Current Totem Pole Output<\/li>\n<li>Under voltage Lockout with Hysteresis<\/li>\n<li>Low Startup and Operating Current<\/li>\n<li><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":10535,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_joinchat":[]},"product_brand":[],"product_cat":[82,28],"product_tag":[],"class_list":["post-10502","product","type-product","status-publish","has-post-thumbnail","product_cat-ics","product_cat-semiconductors","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Metro Electronics - MetroEkart Online Store\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.\" \/>\n\t\t<meta property=\"og:description\" content=\"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"421\" \/>\n\t\t<meta property=\"og:image:height\" content=\"317\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-01T10:20:40+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-04-27T05:12:57+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/metroekart.com\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/shop\\\/#listItem\",\"name\":\"Shop\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/shop\\\/#listItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/shop\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/#listItem\",\"name\":\"Semiconductors - ICs\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/#listItem\",\"position\":3,\"name\":\"Semiconductors - ICs\",\"item\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/ics\\\/#listItem\",\"name\":\"IC's\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/shop\\\/#listItem\",\"name\":\"Shop\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/ics\\\/#listItem\",\"position\":4,\"name\":\"IC's\",\"item\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/ics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#listItem\",\"name\":\"UC3845 Current Mode PWM Controller IC DIP\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/#listItem\",\"name\":\"Semiconductors - ICs\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#listItem\",\"position\":5,\"name\":\"UC3845 Current Mode PWM Controller IC DIP\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product-category\\\/semiconductors\\\/ics\\\/#listItem\",\"name\":\"IC's\"}}]},{\"@type\":\"ItemPage\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#itempage\",\"url\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/\",\"name\":\"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.\",\"description\":\"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\\u2212By\\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#breadcrumblist\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2023\\\/05\\\/IMAGE-7.jpg?fit=225%2C225&ssl=1\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#mainImage\",\"width\":225,\"height\":225},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#mainImage\"},\"datePublished\":\"2023-05-01T10:20:40+00:00\",\"dateModified\":\"2026-04-27T05:12:57+00:00\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/#organization\",\"name\":\"Metroekart\",\"description\":\"MetroEkart Online Store\",\"url\":\"https:\\\/\\\/metroekart.com\\\/\",\"telephone\":\"+919061396217\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/logoheader.png?fit=736%2C200&ssl=1\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#organizationLogo\",\"width\":736,\"height\":200},\"image\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#organizationLogo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/#website\",\"url\":\"https:\\\/\\\/metroekart.com\\\/\",\"name\":\"Metro Electronics\",\"description\":\"MetroEkart Online Store\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.","description":"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current","canonical_url":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/metroekart.com#listItem","position":1,"name":"Home","item":"https:\/\/metroekart.com","nextItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/shop\/#listItem","name":"Shop"}},{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/shop\/#listItem","position":2,"name":"Shop","item":"https:\/\/metroekart.com\/index.php\/shop\/","nextItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/#listItem","name":"Semiconductors - ICs"},"previousItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/#listItem","position":3,"name":"Semiconductors - ICs","item":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/","nextItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/#listItem","name":"IC's"},"previousItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/shop\/#listItem","name":"Shop"}},{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/#listItem","position":4,"name":"IC's","item":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#listItem","name":"UC3845 Current Mode PWM Controller IC DIP"},"previousItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/#listItem","name":"Semiconductors - ICs"}},{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#listItem","position":5,"name":"UC3845 Current Mode PWM Controller IC DIP","previousItem":{"@type":"ListItem","@id":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/#listItem","name":"IC's"}}]},{"@type":"ItemPage","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#itempage","url":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","name":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.","description":"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/metroekart.com\/#website"},"breadcrumb":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#breadcrumblist"},"image":{"@type":"ImageObject","url":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg?fit=225%2C225&ssl=1","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#mainImage","width":225,"height":225},"primaryImageOfPage":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#mainImage"},"datePublished":"2023-05-01T10:20:40+00:00","dateModified":"2026-04-27T05:12:57+00:00"},{"@type":"Organization","@id":"https:\/\/metroekart.com\/#organization","name":"Metroekart","description":"MetroEkart Online Store","url":"https:\/\/metroekart.com\/","telephone":"+919061396217","logo":{"@type":"ImageObject","url":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2021\/12\/logoheader.png?fit=736%2C200&ssl=1","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#organizationLogo","width":736,"height":200},"image":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#organizationLogo"}},{"@type":"WebSite","@id":"https:\/\/metroekart.com\/#website","url":"https:\/\/metroekart.com\/","name":"Metro Electronics","description":"MetroEkart Online Store","inLanguage":"en-US","publisher":{"@id":"https:\/\/metroekart.com\/#organization"}}]},"og:locale":"en_US","og:site_name":"Metro Electronics - MetroEkart Online Store","og:type":"article","og:title":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.","og:description":"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current","og:url":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","og:image":"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png","og:image:secure_url":"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png","og:image:width":421,"og:image:height":317,"article:published_time":"2023-05-01T10:20:40+00:00","article:modified_time":"2026-04-27T05:12:57+00:00","twitter:card":"summary","twitter:title":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.","twitter:description":"Fixed Frequency Current-Mode PWM Controller Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Current Mode Operation to 500 kHz Automatic Feed Forward Compensation Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting Internally Trimmed Reference with Under voltage Lockout High Current Totem Pole Output Under voltage Lockout with Hysteresis Low Startup and Operating Current","twitter:image":"https:\/\/metroekart.com\/wp-content\/uploads\/2021\/12\/logo.png"},"aioseo_meta_data":{"post_id":"10502","title":"#post_title #separator_sa #site_title&nbsp;&nbsp; The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.","description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"ItemPage","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":"{\"article\":{\"articleType\":\"BlogPosting\"},\"course\":{\"name\":\"\",\"description\":\"\",\"provider\":\"\"},\"faq\":{\"pages\":[]},\"product\":{\"reviews\":[]},\"recipe\":{\"ingredients\":[],\"instructions\":[],\"keywords\":[]},\"software\":{\"reviews\":[],\"operatingSystems\":[]},\"webPage\":{\"webPageType\":\"WebPage\"}}","pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":[],"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2023-05-01 10:20:40","updated":"2026-04-27 05:46:21","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/metroekart.com\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/metroekart.com\/index.php\/shop\/\" title=\"Shop\">Shop<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/\" title=\"Semiconductors - ICs\">Semiconductors - ICs<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/\" title=\"IC&apos;s\">IC's<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tUC3845 Current Mode PWM Controller IC DIP\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/metroekart.com"},{"label":"Shop","link":"https:\/\/metroekart.com\/index.php\/shop\/"},{"label":"Semiconductors - ICs","link":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/"},{"label":"IC's","link":"https:\/\/metroekart.com\/index.php\/product-category\/semiconductors\/ics\/"},{"label":"UC3845 Current Mode PWM Controller IC DIP","link":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UC3845 Current Mode PWM Controller IC DIP - Metro Electronics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics\" \/>\n<meta property=\"og:description\" content=\"Fixed Frequency Current-Mode PWM Controller  Trimmed Oscillator Discharge Current for Precise Duty Cycle Control  Current Mode Operation to 500 kHz  Automatic Feed Forward Compensation  Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting  Internally Trimmed Reference with Under voltage Lockout  High Current Totem Pole Output  Under voltage Lockout with Hysteresis  Low Startup and Operating Current\" \/>\n<meta property=\"og:url\" content=\"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/\" \/>\n<meta property=\"og:site_name\" content=\"Metro Electronics\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-27T05:12:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"225\" \/>\n\t<meta property=\"og:image:height\" content=\"225\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/\",\"url\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/\",\"name\":\"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2023\\\/05\\\/IMAGE-7.jpg?fit=225%2C225&ssl=1\",\"datePublished\":\"2023-05-01T10:20:40+00:00\",\"dateModified\":\"2026-04-27T05:12:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2023\\\/05\\\/IMAGE-7.jpg?fit=225%2C225&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2023\\\/05\\\/IMAGE-7.jpg?fit=225%2C225&ssl=1\",\"width\":225,\"height\":225},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/product\\\/uc3845-current-mode-pwm-controller-ic-dip\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/metroekart.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/metroekart.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"UC3845 Current Mode PWM Controller IC DIP\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/#website\",\"url\":\"https:\\\/\\\/metroekart.com\\\/\",\"name\":\"Metro Electronics\",\"description\":\"MetroEkart Online Store\",\"publisher\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/metroekart.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/#organization\",\"name\":\"Metro Electronics\",\"url\":\"https:\\\/\\\/metroekart.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/metroekart.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-4b42c886-7bc8-4c52-beb9-cb45e9eafa2a.jpeg?fit=512%2C512&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/metroekart.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-4b42c886-7bc8-4c52-beb9-cb45e9eafa2a.jpeg?fit=512%2C512&ssl=1\",\"width\":512,\"height\":512,\"caption\":\"Metro Electronics\"},\"image\":{\"@id\":\"https:\\\/\\\/metroekart.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","og_locale":"en_US","og_type":"article","og_title":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics","og_description":"Fixed Frequency Current-Mode PWM Controller  Trimmed Oscillator Discharge Current for Precise Duty Cycle Control  Current Mode Operation to 500 kHz  Automatic Feed Forward Compensation  Latching PWM for Cycle\u2212By\u2212Cycle Current Limiting  Internally Trimmed Reference with Under voltage Lockout  High Current Totem Pole Output  Under voltage Lockout with Hysteresis  Low Startup and Operating Current","og_url":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","og_site_name":"Metro Electronics","article_modified_time":"2026-04-27T05:12:57+00:00","og_image":[{"width":225,"height":225,"url":"https:\/\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","url":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/","name":"UC3845 Current Mode PWM Controller IC DIP - Metro Electronics","isPartOf":{"@id":"https:\/\/metroekart.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#primaryimage"},"image":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg?fit=225%2C225&ssl=1","datePublished":"2023-05-01T10:20:40+00:00","dateModified":"2026-04-27T05:12:57+00:00","breadcrumb":{"@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#primaryimage","url":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg?fit=225%2C225&ssl=1","contentUrl":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2023\/05\/IMAGE-7.jpg?fit=225%2C225&ssl=1","width":225,"height":225},{"@type":"BreadcrumbList","@id":"https:\/\/metroekart.com\/index.php\/product\/uc3845-current-mode-pwm-controller-ic-dip\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/metroekart.com\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/metroekart.com\/index.php\/shop\/"},{"@type":"ListItem","position":3,"name":"UC3845 Current Mode PWM Controller IC DIP"}]},{"@type":"WebSite","@id":"https:\/\/metroekart.com\/#website","url":"https:\/\/metroekart.com\/","name":"Metro Electronics","description":"MetroEkart Online Store","publisher":{"@id":"https:\/\/metroekart.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/metroekart.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/metroekart.com\/#organization","name":"Metro Electronics","url":"https:\/\/metroekart.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/metroekart.com\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2025\/10\/cropped-4b42c886-7bc8-4c52-beb9-cb45e9eafa2a.jpeg?fit=512%2C512&ssl=1","contentUrl":"https:\/\/i0.wp.com\/metroekart.com\/wp-content\/uploads\/2025\/10\/cropped-4b42c886-7bc8-4c52-beb9-cb45e9eafa2a.jpeg?fit=512%2C512&ssl=1","width":512,"height":512,"caption":"Metro Electronics"},"image":{"@id":"https:\/\/metroekart.com\/#\/schema\/logo\/image\/"}}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product\/10502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/comments?post=10502"}],"version-history":[{"count":2,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product\/10502\/revisions"}],"predecessor-version":[{"id":12183,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product\/10502\/revisions\/12183"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/media\/10535"}],"wp:attachment":[{"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/media?parent=10502"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=10502"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=10502"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/metroekart.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=10502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}