{"product_id":"hc3773b-ac-dc-20w-integrated-circuit-sop-7-high-efficiency-power-ic-hcw-hengchengwei","title":"HC3773B AC-DC 20W Integrated Circuit SOP-7 | High Efficiency Power IC | HCW-HENGCHENGWEI","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-69f98f59-6bdc-8323-8871-07aa2a6956fe-57\" data-testid=\"conversation-turn-148\" 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=\"c0ace03d-eb16-4128-af36-b26af5355eca\" 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=\"114\" data-end=\"640\"\u003eThe HC3773B from HCW-HENGCHENGWEI is a high-performance AC-DC integrated circuit designed for efficient, stable, and compact offline power conversion. Built using advanced high-voltage fast-switching technology, this IC delivers improved energy efficiency by minimizing switching losses and optimizing overall power transfer. Its internal architecture is designed to reduce conduction losses while maintaining excellent thermal stability, ensuring reliable long-term operation in demanding applications.\u003c\/p\u003e\n\u003cp data-start=\"642\" data-end=\"1086\"\u003eWith strong high-voltage capability, the HC3773B provides enhanced safety margins and stable performance compared to lower voltage AC-DC solutions. This makes it highly suitable for universal input voltage systems, especially in environments with fluctuations, spikes, or unstable grid conditions. The integrated power control system reduces the need for external components, simplifying circuit design and improving overall system reliability.\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1423\"\u003eHoused in a compact SOP-7 package, the HC3773B offers excellent PCB layout flexibility and efficient heat dissipation, making it ideal for space-constrained and high-density electronic designs. It is widely used in AC-DC adapters, LED lighting drivers, smart home devices, industrial auxiliary power supplies, and consumer electronics.\u003c\/p\u003e\n\u003cp data-start=\"1425\" data-end=\"1639\"\u003eCombining high efficiency, compact integration, and robust high-voltage operation, the HC3773B is a dependable solution for modern power supply applications requiring performance, durability, and energy efficiency.\u003c\/p\u003e\n\u003chr data-start=\"1641\" data-end=\"1644\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1665\"\u003e\u003cstrong data-start=\"1646\" data-end=\"1663\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1666\" data-end=\"2015\"\u003e\n\u003cli data-section-id=\"1hie72b\" data-start=\"1666\" data-end=\"1708\"\u003eHigh-voltage AC-DC integrated power IC\u003c\/li\u003e\n\u003cli data-section-id=\"10gyu0w\" data-start=\"1709\" data-end=\"1749\"\u003e20W-class efficient power conversion\u003c\/li\u003e\n\u003cli data-section-id=\"d241b6\" data-start=\"1750\" data-end=\"1803\"\u003eFast switching technology for reduced energy loss\u003c\/li\u003e\n\u003cli data-section-id=\"zfk56g\" data-start=\"1804\" data-end=\"1854\"\u003eLow conduction loss and high thermal stability\u003c\/li\u003e\n\u003cli data-section-id=\"x3ub25\" data-start=\"1855\" data-end=\"1891\"\u003eReduced external component count\u003c\/li\u003e\n\u003cli data-section-id=\"1bnnm25\" data-start=\"1892\" data-end=\"1930\"\u003eStrong surge and voltage tolerance\u003c\/li\u003e\n\u003cli data-section-id=\"1hokr4e\" data-start=\"1931\" data-end=\"1980\"\u003eCompact SOP-7 package for flexible PCB design\u003c\/li\u003e\n\u003cli data-section-id=\"9fwvpd\" data-start=\"1981\" data-end=\"2015\"\u003eReliable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2017\" data-end=\"2020\"\u003e\n\u003cp data-start=\"2022\" data-end=\"2041\"\u003e\u003cstrong data-start=\"2022\" data-end=\"2039\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2042\" data-end=\"2265\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1q7kj57\" data-start=\"2042\" data-end=\"2079\"\u003eAC-DC power adapters and chargers\u003c\/li\u003e\n\u003cli data-section-id=\"6ns0x5\" data-start=\"2080\" data-end=\"2110\"\u003eLED lighting power drivers\u003c\/li\u003e\n\u003cli data-section-id=\"8b4j1o\" data-start=\"2111\" data-end=\"2141\"\u003eSmart home and IoT devices\u003c\/li\u003e\n\u003cli data-section-id=\"1pre0i4\" data-start=\"2142\" data-end=\"2180\"\u003eIndustrial auxiliary power systems\u003c\/li\u003e\n\u003cli data-section-id=\"3k8u31\" data-start=\"2181\" data-end=\"2220\"\u003eConsumer electronics power supplies\u003c\/li\u003e\n\u003cli data-section-id=\"apgj3e\" data-start=\"2221\" data-end=\"2265\" data-is-last-node=\"\"\u003eOffline switching power conversion systems\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":"HCW-HENGCHENGWEI","offers":[{"title":"Default Title","offer_id":43911467925569,"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_4db3568e-2460-413a-8524-77711d5330d5.png?v=1761196694","url":"https:\/\/hext.in\/products\/hc3773b-ac-dc-20w-integrated-circuit-sop-7-high-efficiency-power-ic-hcw-hengchengwei","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}