{"product_id":"top261lg","title":"TOP261LG","description":"\u003ch2\u003eTOP261LG - High-Performance Offline Switching Regulator IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTOP261LG\u003c\/strong\u003e from Power Integrations is a high-efficiency, 244W offline switching regulator IC from the renowned \u003cstrong\u003eTOPSwitch®-HX\u003c\/strong\u003e family. Designed for isolated flyback topologies, this integrated switcher delivers exceptional performance for industrial, telecommunications, and power supply applications requiring reliable, long-lifecycle components.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e244W Power Output:\u003c\/strong\u003e High-power capability for demanding applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e700V Breakdown Voltage:\u003c\/strong\u003e Robust design for universal AC input (85-265VAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Switching Frequencies:\u003c\/strong\u003e 66kHz and 132kHz for design flexibility and EMI optimization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Protection:\u003c\/strong\u003e Current limiting, over-temperature, and over-voltage safeguards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e78% Maximum Duty Cycle:\u003c\/strong\u003e Optimized for high-efficiency flyback designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e -40°C to +150°C junction temperature for harsh environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eeSIP-7F Package:\u003c\/strong\u003e Through-hole mounting with exposed pad for superior thermal management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eIdeal for aerospace, automotive, industrial automation, telecom infrastructure, and high-reliability power systems. Fully authorized stock with complete manufacturer documentation, reference designs, and long lifecycle support to mitigate obsolescence risk.\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\u003eTOPSwitch®-HX\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\u003e700V\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\u003e78%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e66kHz, 132kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e244 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003eCurrent Limiting, Over Temperature, Over Voltage\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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e7-SSIP, 6 Leads, Exposed Pad, Formed Leads\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003eeSIP-7F\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":51117330727201,"sku":"TOP261LG","price":355877.81,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/pna_en_Public_71159d8c-1ae7-49ff-bd6b-de2032e8f319.jpg?v=1743672374","url":"https:\/\/hqickey.com\/de\/products\/top261lg","provider":"HQICKEY","version":"1.0","type":"link"}