{"product_id":"top257lg","title":"TOP257LG","description":"\u003ch2\u003ePower Integrations TOP257LG - TOPSwitch-HX Offline Switcher IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTOP257LG\u003c\/strong\u003e is a high-performance offline switcher IC from Power Integrations' TOPSwitch-HX family, engineered for reliable flyback power supply designs up to 105W. This integrated switcher combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry in a compact eSIP-7F package.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 700V Power MOSFET\u003c\/strong\u003e - Reduces component count and simplifies design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e105W Power Handling\u003c\/strong\u003e - Ideal for industrial, telecom, and consumer applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Frequency Operation\u003c\/strong\u003e - 66kHz\/132kHz switching for optimized EMI performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection\u003c\/strong\u003e - Built-in current limiting, over-temperature, and over-voltage protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e78% Maximum Duty Cycle\u003c\/strong\u003e - Enables efficient power conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - -40°C to 150°C junction temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole Mounting\u003c\/strong\u003e - eSIP-7F package with formed leads for reliable PCB assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eThe TOP257LG is perfectly suited for AC-DC power supplies in industrial automation, telecommunications equipment, white goods, LED lighting drivers, and auxiliary power supplies. Its robust protection features and wide operating temperature range make it ideal for harsh industrial environments and long-lifecycle applications.\u003c\/p\u003e\u003ch3\u003eAuthorized Distributor - Full Traceability\u003c\/h3\u003e\u003cp\u003eWe supply genuine Power Integrations components with complete manufacturer documentation, authenticity guarantees, and full supply chain traceability. Every unit ships with authorized distributor certification to support your quality and compliance requirements.\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\u003e105 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":51117330628897,"sku":"TOP257LG","price":355842.93,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/pna_en_Public_cbe6fede-2963-487c-9261-7332282909c1.jpg?v=1743672368","url":"https:\/\/hqickey.com\/products\/top257lg","provider":"HQICKEY","version":"1.0","type":"link"}