{"product_id":"fsq321l","title":"FSQ321L","description":"\u003ch2\u003eonsemi FSQ321L - FPS™ Series Flyback Switching Controller IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eFSQ321L\u003c\/strong\u003e from onsemi is a high-performance offline switching controller IC designed for isolated flyback topology applications up to 12W. Part of the proven FPS™ (Fairchild Power Switch) series, this integrated controller combines a 650V power MOSFET with advanced control circuitry in a compact 8-LSOP surface mount package.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 650V Power Switch\u003c\/strong\u003e - Reduces component count and simplifies design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12W Power Capability\u003c\/strong\u003e - Ideal for low-to-medium power AC\/DC adapters and chargers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e55-67kHz Switching Frequency\u003c\/strong\u003e - Optimized for efficiency and EMI performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection\u003c\/strong\u003e - Built-in current limiting, overload, over-temperature, and over-voltage protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - 8V to 20V supply voltage, -40°C to +85°C ambient temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronization Capability\u003c\/strong\u003e - Enables multi-output or paralleled designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Startup Voltage\u003c\/strong\u003e - 12V startup reduces standby power consumption\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAC\/DC adapters and chargers for consumer electronics\u003c\/li\u003e\n\u003cli\u003eAuxiliary power supplies for industrial equipment\u003c\/li\u003e\n\u003cli\u003eLED driver circuits\u003c\/li\u003e\n\u003cli\u003eSet-top boxes and home appliances\u003c\/li\u003e\n\u003cli\u003eBattery chargers and power tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose FSQ321L from Our Authorized Distribution?\u003c\/h3\u003e\u003cp\u003eWe provide \u003cstrong\u003e100% authentic onsemi components\u003c\/strong\u003e with full manufacturer traceability, comprehensive datasheets, and technical support. Our authorized distributor status ensures you receive genuine parts backed by onsemi's quality standards and warranty. Global shipping available with expedited options for urgent design-in 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\u003eonsemi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eFPS™\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\u003e12 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e8V ~ 20V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e55kHz ~ 67kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e12 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\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eControl Features\u003c\/td\u003e \t\u003ctd\u003eSync\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°C (TA)\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\u003e8-SMD, Gull Wing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e8-LSOP\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\u003ch3\u003eDocumentation \u0026amp; Support\u003c\/h3\u003e\u003cp\u003eFull datasheet, application notes, reference designs, and technical support available. Contact our engineering team for design-in assistance, sample requests, or volume pricing inquiries.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e - Meets environmental standards for lead-free manufacturing.\u003c\/p\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":51117327155489,"sku":"FSQ321L","price":355904.94,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_8-SOP_8-LSOP_f8519250-42eb-4c9f-8e25-932b2e9812a1.jpg?v=1743672237","url":"https:\/\/hqickey.com\/de\/products\/fsq321l","provider":"HQICKEY","version":"1.0","type":"link"}