{"product_id":"lnk6668k","title":"LNK6668K","description":"\u003ch2\u003ePower Integrations LNK6668K - LinkSwitch-HP Offline Switcher IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLNK6668K\u003c\/strong\u003e is a high-performance AC-DC offline switcher from Power Integrations' LinkSwitch-HP family, designed for cost-effective, high-efficiency flyback power supplies up to 68W. This integrated IC combines a 650V power MOSFET, oscillator, control logic, and comprehensive protection features in a compact 12-ESOP surface-mount package.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 650V Power MOSFET\u003c\/strong\u003e - Reduces component count and simplifies design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e68W Output Power\u003c\/strong\u003e - Ideal for consumer electronics, industrial controls, and LED lighting applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Protection\u003c\/strong\u003e - Built-in current limiting, over-voltage, over-temperature, over-load, and short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency\u003c\/strong\u003e - 120-136 kHz switching frequency optimizes transformer size and efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - Functions reliably from -40°C to 150°C junction temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact SMD Package\u003c\/strong\u003e - 12-ESOP with exposed pad for superior thermal performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e - Meets environmental standards for global markets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eThe LNK6668K is engineered for isolated flyback topologies in applications including AC-DC adapters, auxiliary power supplies, home appliances, industrial automation equipment, smart home devices, and LED driver circuits. Its comprehensive fault protection and wide operating temperature range make it suitable for demanding aerospace, automotive, industrial, and telecommunications environments.\u003c\/p\u003e\u003ch3\u003eDesign Support \u0026amp; Documentation\u003c\/h3\u003e\u003cp\u003eAs an authorized distributor, we provide full manufacturer documentation, reference designs, and technical support to accelerate your design-in process. All units ship with complete traceability and authenticity guarantees, backed by Power Integrations' long lifecycle commitment.\u003c\/p\u003e\u003ch3\u003eComplete Technical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003ePower Integrations\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eLinkSwitch™-HP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003e | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOutput Isolation\u003c\/td\u003e \t\u003ctd\u003eIsolated\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInternal Switch(s)\u003c\/td\u003e \t\u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Breakdown\u003c\/td\u003e \t\u003ctd\u003e650V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eTopology\u003c\/td\u003e \t\u003ctd\u003eFlyback\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Start Up\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e64%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e120kHz ~ 136kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e68 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003eCurrent Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eControl Features\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 150°C (TJ)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e12-BESOP (0.350\", 8.89mm Width), 11 Leads, Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e12-ESOP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1761919810\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Power Integrations","offers":[{"title":"Default Title","offer_id":51117348716833,"sku":"LNK6668K","price":355877.81,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_596_PI-5748_K_11_84a47ec0-28ba-48fe-8061-acd4fb78dfb7.jpg?v=1743673037","url":"https:\/\/hqickey.com\/de\/products\/lnk6668k","provider":"HQICKEY","version":"1.0","type":"link"}