{"product_id":"hc3793b-ac-dc-20w-integrated-circuit-sop-7-high-efficiency-power-ic-hcw-hengchengwei","title":"HC3793B 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-56\" data-testid=\"conversation-turn-146\" 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=\"dc86487e-3c03-4a93-a298-edeb6d53dfa2\" 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=\"645\"\u003eThe HC3793B from HCW-HENGCHENGWEI is a high-efficiency AC-DC integrated circuit designed for compact, reliable, and energy-optimized offline power conversion. Built with advanced high-voltage fast-switching technology, this IC ensures stable performance under demanding electrical conditions while maintaining low switching losses and improved conversion efficiency. Its optimized internal architecture supports efficient power handling with excellent thermal stability and long-term operational reliability.\u003c\/p\u003e\n\u003cp data-start=\"647\" data-end=\"1074\"\u003eThe HC3793B is engineered for high-voltage AC input applications, offering strong safety margins compared to lower voltage series devices. This makes it highly suitable for environments with unstable power conditions, voltage surges, and wide input ranges. The integrated control and switching functions reduce external component requirements, simplifying circuit design and improving overall system efficiency and reliability.\u003c\/p\u003e\n\u003cp data-start=\"1076\" data-end=\"1391\"\u003ePackaged in a compact SOP-7 form factor, the HC3793B provides excellent PCB layout flexibility and efficient heat dissipation, making it ideal for space-constrained designs. It is widely used in AC-DC adapters, LED lighting drivers, smart home systems, industrial auxiliary power supplies, and consumer electronics.\u003c\/p\u003e\n\u003cp data-start=\"1393\" data-end=\"1600\"\u003eCombining high efficiency, compact integration, and robust high-voltage capability, the HC3793B is a dependable solution for modern power supply applications requiring performance, stability, and durability.\u003c\/p\u003e\n\u003chr data-start=\"1602\" data-end=\"1605\"\u003e\n\u003cp data-start=\"1607\" data-end=\"1626\"\u003e\u003cstrong data-start=\"1607\" data-end=\"1624\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1627\" data-end=\"1975\"\u003e\n\u003cli data-section-id=\"z58bd1\" data-start=\"1627\" data-end=\"1668\"\u003eHigh-voltage AC-DC integrated circuit\u003c\/li\u003e\n\u003cli data-section-id=\"1brga5s\" data-start=\"1669\" data-end=\"1720\"\u003eEfficient 20W-class power conversion capability\u003c\/li\u003e\n\u003cli data-section-id=\"zwusrq\" data-start=\"1721\" data-end=\"1765\"\u003eFast switching technology for low losses\u003c\/li\u003e\n\u003cli data-section-id=\"vwtimp\" data-start=\"1766\" data-end=\"1814\"\u003eHigh system efficiency and thermal stability\u003c\/li\u003e\n\u003cli data-section-id=\"x3ub25\" data-start=\"1815\" data-end=\"1851\"\u003eReduced external component count\u003c\/li\u003e\n\u003cli data-section-id=\"1bnnm25\" data-start=\"1852\" data-end=\"1890\"\u003eStrong surge and voltage tolerance\u003c\/li\u003e\n\u003cli data-section-id=\"1hokr4e\" data-start=\"1891\" data-end=\"1940\"\u003eCompact SOP-7 package for flexible PCB design\u003c\/li\u003e\n\u003cli data-section-id=\"9fwvpd\" data-start=\"1941\" data-end=\"1975\"\u003eReliable long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1977\" data-end=\"1980\"\u003e\n\u003cp data-start=\"1982\" data-end=\"2001\"\u003e\u003cstrong data-start=\"1982\" data-end=\"1999\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2002\" data-end=\"2206\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1qnvurf\" data-start=\"2002\" data-end=\"2026\"\u003eAC-DC power adapters\u003c\/li\u003e\n\u003cli data-section-id=\"1yf30c6\" data-start=\"2027\" data-end=\"2051\"\u003eLED lighting drivers\u003c\/li\u003e\n\u003cli data-section-id=\"8b4j1o\" data-start=\"2052\" data-end=\"2082\"\u003eSmart home and IoT devices\u003c\/li\u003e\n\u003cli data-section-id=\"1pre0i4\" data-start=\"2083\" data-end=\"2121\"\u003eIndustrial auxiliary power systems\u003c\/li\u003e\n\u003cli data-section-id=\"3k8u31\" data-start=\"2122\" data-end=\"2161\"\u003eConsumer electronics power supplies\u003c\/li\u003e\n\u003cli data-section-id=\"apgj3e\" data-start=\"2162\" data-end=\"2206\" 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":43911467827265,"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\/hc3793b-ac-dc-20w-integrated-circuit-sop-7-high-efficiency-power-ic-hcw-hengchengwei","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}