{"id":67254,"date":"2026-01-09T13:00:21","date_gmt":"2026-01-09T12:00:21","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=67254"},"modified":"2026-08-25T11:38:47","modified_gmt":"2026-08-25T09:38:47","slug":"lnk304gn-co-to-jest-dane-techniczne-schemat-cena-i-opinie-mat-uzup","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/lnk304gn-co-to-jest-dane-techniczne-schemat-cena-i-opinie-mat-uzup\/","title":{"rendered":"LNK304GN &#8211; Co to jest? Dane techniczne, schemat, cena i opinie"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"67254\" class=\"elementor elementor-67254\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f78b59c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f78b59c\" 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-100 elementor-top-column elementor-element elementor-element-a312eda\" data-id=\"a312eda\" 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-9e2ac4c elementor-widget elementor-widget-text-editor\" data-id=\"9e2ac4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"blog-special\"><em> Artyku\u0142 powsta\u0142 we wsp\u00f3\u0142pracy z autorem zewn\u0119trznym i jest publikowany go\u015bcinnie poza naszym standardowym procesem redakcyjnym. Traktuj go jako materia\u0142 uzupe\u0142niaj\u0105cy.<\/em><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f6c833 elementor-widget elementor-widget-text-editor\" data-id=\"7f6c833\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><br \/>Uk\u0142ad LNK304GN zosta\u0142 wyprodukowany z my\u015bl\u0105 o zast\u0105pieniu zasilaczy liniowych (nieizolowanych), kt\u00f3re s\u0105 zasilane kondensatorem (cap dropperem). Nat\u0119\u017cenie zasilanego pr\u0105du wynosi mniej ni\u017c 360 mA. Prosty i jednocze\u015bnie niezawodny uk\u0142ad LNK304GN scala prosty schemat w\u0142\u0105czania i wy\u0142\u0105czania, MOSFET (700V), oscylator, jitter cz\u0119stotliwo\u015bci, obw\u00f3d wy\u0142\u0105cznika (termicznego), cykliczne ograniczenie (pr\u0105dowe) oraz \u017ar\u00f3d\u0142o napi\u0119ciowe wysokonapi\u0119ciowe (prze\u0142\u0105czane).<\/p><h2>LNK304GN &#8211; co to jest?<\/h2><p>Uk\u0142ad LNK304GN IC Switcher (AC-DC) wyr\u00f3\u017cnia si\u0119 du\u017cym zakresem napi\u0119cia wej\u015bciowego wynosz\u0105cym od 85 V AC a\u017c do 265 V AC. Oznacza to, \u017ce mo\u017ce by\u0107 stabilnie i przede wszystkim bezpiecznie zasilany z r\u00f3\u017cnych \u017ar\u00f3de\u0142. Uk\u0142ad LNK304GN to bud\u017cetowa przetwornica typu buck wyr\u00f3\u017cniaj\u0105ca si\u0119 ma\u0142\u0105 liczb\u0105 element\u00f3w. Opisywany element elektroniczny jest wyposa\u017cony w praktyczn\u0105 funkcj\u0119 odpowiedzialn\u0105 za w pe\u0142ni automatyczne restartowanie zabezpiecze\u0144 przeciwzwarciowych, a tak\u017ce restartowanie usterki tak zwanej otwartej p\u0119tli. Ponadto uk\u0142ad obs\u0142uguje nie tylko technologi\u0119 buck, ale r\u00f3wnie\u017c flyback i buck-boost. W praktyce oznacza to uniwersalne zastosowanie.<\/p><p>Kolejn\u0105 zalet\u0105 uk\u0142adu LNK304GN jest niezwykle precyzyjna regulacja (obci\u0105\u017cenia i linowa) gwarantuj\u0105ca precyzyjn\u0105 kontrol\u0119, bez wzgl\u0119du na konfiguracj\u0119. Opisywany uk\u0142ad znajduje zastosowanie m.in. w przemy\u015ble. Ponadto doskonale nadaje si\u0119 do sterowania o\u015bwietleniem LED (m.in. niewielkich, \u015bredniej wielko\u015bci instalacjach o\u015bwietleniowych). Kolejnym zastosowaniem jest zarz\u0105dzanie zasilaniem.<\/p><h2>LNK304GN &#8211; dane techniczne<\/h2><p>Minimalne napi\u0119cie wej\u015bciowe obs\u0142ugiwane przez uk\u0142ad LNK304GN to 85 V AC, natomiast maksymalne napi\u0119cie jest r\u00f3wne 265 V AC. Uk\u0142ad jest zamkni\u0119ty w obudowe SMD (z ang. Surface Mount Technology) i przeznaczony do monta\u017cu powierzchniowego SMT (z ang. Surface-Mount Technology). 8 stosunkowo du\u017cych pin\u00f3w u\u0142atwia lutowanie. Moc znamionowa uk\u0142adu wynosi 80 mW. Z kolei zakres temperatury roboczej wynosi od -40\u00b0C a\u017c do +150\u00b0C. W praktyce oznacza to gwarancj\u0119 stabilnej i przede wszystkim bezpiecznej pracy w r\u00f3\u017cnych warunkach. Element elektroniczny mo\u017cna bezpiecznie przechowywa\u0107 w temperaturze od -65\u00b0C do +150\u00b0C.<\/p><p>Kolejnym parametrem technicznym uk\u0142adu LNK304GN jest wska\u017anik MSL, kt\u00f3ry opisuje wra\u017cliwo\u015b\u0107 na wilgo\u0107 np. elementu elektronicznego. Wynosi on od 4 do 72 godzin. Ponadto wyr\u00f3\u017cnia go niezwykle niskie zapotrzebowanie na energi\u0119. W przypadku trybu buck (z w\u0142asnym zasilaniem) zapotrzebowanie na energi\u0119 zawiera si\u0119 w zakresie od 50 mW do 80 mW. \u015arednie zu\u017cycie energii w trybie flyback wynosi od 7 mW do 12 mW. Opisywany element elektroniczny zosta\u0142 wyprodukowany zgodnie z wymogami CEC (z ang. California Energy Commission).<\/p><p>Ponadto zosta\u0142 mu przyznany certyfikat Energy Star. Dodatkowo uk\u0142ad LNK304GN jest zgodny z prawem Unii Europejskiej dotycz\u0105cym podzespo\u0142\u00f3w elektronicznych. Potwierdza to certyfikat RoHS, kt\u00f3ry dotyczy m.in. eliminowania wybranych substancji, a tak\u017ce kontroli st\u0119\u017cenia potencjalnie niebezpiecznych materia\u0142\u00f3w. Certyfikat RoHS potwierdza, \u017ce w danym elemencie elektronicznym nie zastosowano niebezpiecznych materia\u0142\u00f3w, kt\u00f3re mog\u0105 by\u0107 gro\u017ane dla cz\u0142owieka, zwierz\u0105t i \u015brodowiska naturalnego.<\/p><h2>LNK304GN &#8211; opinie<\/h2><p>Uk\u0142ad LNK304GN cieszy si\u0119 dobr\u0105 opini\u0105 nie tylko w\u015br\u00f3d pocz\u0105tkuj\u0105cych, ale r\u00f3wnie\u017c do\u015bwiadczonych elektronik\u00f3w, majsterkowicz\u00f3w i hobbyst\u00f3w. Niezawodno\u015b\u0107, wysoka sprawno\u015b\u0107 i uniwersalne zastosowanie to najwa\u017cniejsze zalety uk\u0142adu LNK304GN. Warto pami\u0119ta\u0107, \u017ce kupowanie element\u00f3w elektronicznych od sprawdzonego sprzedawcy, kt\u00f3ry ma wiele pozytywnych opinii jest jednym z najlepszych sposob\u00f3w na pewne i udane zakupy. Sklep internetowy oferuj\u0105cy sprzeda\u017c wysy\u0142kow\u0105 powinien mie\u0107 transparentn\u0105 polityk\u0119 cenow\u0105 oraz dotycz\u0105c\u0105 zwrot\u00f3w i reklamacji. Kolejnymi kwestiami s\u0105 bezpieczne zakupy online (gwarancja ochrony kupuj\u0105cego) i szybka oraz bezpieczna wysy\u0142ka zam\u00f3wie\u0144. Dobrym pomys\u0142em jest wybranie sprzedawcy, kt\u00f3ry opr\u00f3cz sklepu internetowego ma r\u00f3wnie\u017c sklepy stacjonarne. W takim przypadku mo\u017cna np. realizowa\u0107 zam\u00f3wienia na podzespo\u0142y elektroniczne z mo\u017cliwo\u015bci\u0105 odbioru w salonie. Niejednokrotnie sprzedawcy posiadaj\u0105 szerok\u0105 wiedz\u0119 z zakresu elektroniki, dzi\u0119ki czemu mo\u017cna liczy\u0107 na warto\u015bciowe porady i dodatkowe informacje dotycz\u0105ce zamawianych produkt\u00f3w.<\/p><h2>LNK304GN &#8211; cena<\/h2><p>Cena uk\u0142adu LNK304GN jest uzale\u017cniona m.in. od wielko\u015bci zam\u00f3wienia, konkretnego sprzedawcy i innych czynnik\u00f3w. W wi\u0119kszo\u015bci przypadk\u00f3w trzeba zap\u0142aci\u0107 od kilku do kilkunastu z\u0142otych za jeden uk\u0142ad LNK304GN. To stosunkowo niewielki koszt w por\u00f3wnaniu do uniwersalnego zastosowania oraz stabilnego i bezpiecznego dzia\u0142ania.<\/p><p>Uk\u0142ad LNK304GN znajduje zastosowanie w systemach o\u015bwietleniowych sk\u0142adaj\u0105cych si\u0119 z energooszcz\u0119dnych diod LED. Z tego powodu jest cz\u0119sto wykorzystywany przez elektronik\u00f3w i majsterkowicz\u00f3w w projektach DIY, w kt\u00f3rych jest konieczne zastosowanie prostego i niezawodnego uk\u0142adu odpowiedzialnego za kontrol\u0119 o\u015bwietlenia.<\/p>\t\t\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\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-768ace7 e-con-full border-section e-flex e-con e-child\" data-id=\"768ace7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-776e777 e-con-full e-flex e-con e-child\" data-id=\"776e777\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b98647a elementor-widget elementor-widget-heading\" data-id=\"b98647a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Tw\u00f3rz wi\u0119cej z Botland - od druku 3D po elektronik\u0119<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdf53d1 elementor-widget elementor-widget-text-editor\" data-id=\"fdf53d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/842-drukarki-3d\" data-wpel-link=\"internal\">Drukarki 3D<\/a> i <a href=\"https:\/\/botland.com.pl\/930-filamenty\" data-wpel-link=\"internal\">filamenty<\/a> to dopiero pocz\u0105tek. Odkryj r\u00f3wnie\u017c <a href=\"https:\/\/botland.com.pl\/234-arduino\" data-wpel-link=\"internal\">Arduino<\/a>, <a href=\"https:\/\/botland.com.pl\/399-raspberry-pi\" data-wpel-link=\"internal\">Raspberry Pi<\/a>, robotyk\u0119, elektronik\u0119 i produkty do nauki programowania. <strong>Sprawd\u017a pe\u0142n\u0105 ofert\u0119 Botland.<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-774c13b e-con-full e-flex e-con e-child\" data-id=\"774c13b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f20fe2f elementor-align-center btn-opt-class elementor-widget elementor-widget-button\" data-id=\"f20fe2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Zobacz sklep Botland<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Uk\u0142ad LNK304GN zosta\u0142 wyprodukowany z my\u015bl\u0105 o zast\u0105pieniu zasilaczy liniowych (nieizolowanych), kt\u00f3re s\u0105 zasilane kondensatorem (cap dropperem). Nat\u0119\u017cenie zasilanego pr\u0105du wynosi mniej ni\u017c 360 mA. Prosty i jednocze\u015bnie niezawodny uk\u0142ad LNK304GN scala prosty schemat w\u0142\u0105czania i wy\u0142\u0105czania, MOSFET (700V), oscylator, jitter cz\u0119stotliwo\u015bci, obw\u00f3d wy\u0142\u0105cznika (termicznego), cykliczne ograniczenie (pr\u0105dowe) oraz \u017ar\u00f3d\u0142o napi\u0119ciowe wysokonapi\u0119ciowe (prze\u0142\u0105czane).<\/p>\n","protected":false},"author":9,"featured_media":118468,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[709],"tags":[],"class_list":["post-67254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materialy-uzupelniajace"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LNK304GN - Co to jest? 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