{"product_id":"lm2576-5-0-12-adj-buck-switching-regulator-3a-40v-dc-dc-converter-to-220-to-263-xinbole","title":"LM2576-5.0\/12\/ADJ Buck Switching Regulator 3A 40V DC-DC Converter TO-220\/TO-263 | Xinbole","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:10b7f8d0-bcbd-4637-841d-68e9b4a979b1-57\" data-testid=\"conversation-turn-102\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"b067a7f7-b2af-4210-bc65-aae006c8c1b6\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"110\" data-end=\"602\"\u003eThe LM2576 series from Xinbole (LM2576-5.0, LM2576-12, LM2576-ADJ) is a high-efficiency step-down (buck) switching regulator designed for reliable DC-DC power conversion in industrial, automotive, and embedded electronic applications. Supporting input voltages up to 40V and delivering up to 3A output current, this IC provides robust and efficient voltage regulation with minimal external components, making it ideal for compact, high-performance power supply designs.\u003c\/p\u003e\n\u003cp data-start=\"604\" data-end=\"1190\"\u003eBuilt using advanced switching regulator technology, the LM2576 integrates a fixed-frequency oscillator, internal power switch, and comprehensive control circuitry for stable and efficient power conversion. While it does not internally use Schottky diode technology, it is typically paired with an external Schottky rectifier diode to achieve fast switching performance, low forward voltage drop (low VF), reduced conduction losses, and improved overall efficiency. This combination ensures excellent thermal performance and long-term system reliability even under high load conditions.\u003c\/p\u003e\n\u003cp data-start=\"1192\" data-end=\"1514\"\u003eCompared to lower-current regulator series, the LM2576 provides significantly higher output current capability and improved thermal handling, making it suitable for demanding power applications. Its high efficiency greatly reduces heat dissipation compared to linear regulators, improving system longevity and performance.\u003c\/p\u003e\n\u003cp data-start=\"1516\" data-end=\"1995\"\u003eAvailable in TO-220 and TO-263 package options, the LM2576 supports both through-hole and surface-mount PCB designs, offering flexibility for prototyping and mass production. It is widely used in DC-DC converters, industrial power supplies, automotive electronics, battery-powered systems, and embedded power regulation circuits. With its efficiency, reliability, and strong current capability, the Xinbole LM2576 series is a trusted solution for modern power electronics design.\u003c\/p\u003e\n\u003cp data-start=\"1997\" data-end=\"2016\"\u003e\u003cstrong data-start=\"1997\" data-end=\"2014\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2017\" data-end=\"2327\"\u003e\n\u003cli data-section-id=\"s171kg\" data-start=\"2017\" data-end=\"2044\"\u003eInput voltage up to 40V\u003c\/li\u003e\n\u003cli data-section-id=\"wvjea4\" data-start=\"2045\" data-end=\"2092\"\u003eOutput options: 5.0V, 12V, adjustable (ADJ)\u003c\/li\u003e\n\u003cli data-section-id=\"essasc\" data-start=\"2093\" data-end=\"2125\"\u003eHigh output current up to 3A\u003c\/li\u003e\n\u003cli data-section-id=\"glttf4\" data-start=\"2126\" data-end=\"2170\"\u003eHigh-efficiency buck switching regulator\u003c\/li\u003e\n\u003cli data-section-id=\"1dx4d92\" data-start=\"2171\" data-end=\"2206\"\u003eFixed 52kHz switching frequency\u003c\/li\u003e\n\u003cli data-section-id=\"hzw9dm\" data-start=\"2207\" data-end=\"2241\"\u003eInternal power switch included\u003c\/li\u003e\n\u003cli data-section-id=\"18zj1ge\" data-start=\"2242\" data-end=\"2283\"\u003eExcellent thermal and load regulation\u003c\/li\u003e\n\u003cli data-section-id=\"g05xkj\" data-start=\"2284\" data-end=\"2327\"\u003eAvailable in TO-220 and TO-263 packages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2329\" data-end=\"2348\"\u003e\u003cstrong data-start=\"2329\" data-end=\"2346\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2349\" data-end=\"2555\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"jwc2bm\" data-start=\"2349\" data-end=\"2383\"\u003eDC-DC step-down power supplies\u003c\/li\u003e\n\u003cli data-section-id=\"1um754u\" data-start=\"2384\" data-end=\"2414\"\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli data-section-id=\"1x8ffoa\" data-start=\"2415\" data-end=\"2441\"\u003eAutomotive electronics\u003c\/li\u003e\n\u003cli data-section-id=\"1rnc3n4\" data-start=\"2442\" data-end=\"2468\"\u003eEmbedded power modules\u003c\/li\u003e\n\u003cli data-section-id=\"d1w83h\" data-start=\"2469\" data-end=\"2496\"\u003eBattery-powered devices\u003c\/li\u003e\n\u003cli data-section-id=\"1nr5m4t\" data-start=\"2497\" data-end=\"2519\"\u003eLED driver systems\u003c\/li\u003e\n\u003cli data-section-id=\"lin1du\" data-start=\"2520\" data-end=\"2555\" data-is-last-node=\"\"\u003eHigh-current switching regulators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"xinbole","offers":[{"title":"Default Title","offer_id":43844367876161,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Integrated_Circuits-02-01_21de9394-cbdf-440c-93e1-dd1367592f04.png?v=1769084412","url":"https:\/\/hext.in\/products\/lm2576-5-0-12-adj-buck-switching-regulator-3a-40v-dc-dc-converter-to-220-to-263-xinbole","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}