{"product_id":"inn3949fq-mr","title":"INN3949FQ-MR","description":"\u003ch2\u003eINN3949FQ-MR - High-Efficiency 70W AC\/DC Flyback Converter IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eINN3949FQ-MR\u003c\/strong\u003e from Power Integrations is a high-performance, isolated flyback AC\/DC converter IC designed for applications requiring up to 70W of power. Featuring an integrated 1700V breakdown voltage switch and secondary side synchronous rectification (SR), this converter delivers exceptional efficiency and reliability for industrial, telecommunications, and consumer electronics power supply designs.\u003c\/p\u003e\u003cp\u003eThis advanced power management IC operates across a wide input voltage range (30V to 1200V) with a flexible switching frequency of 25kHz to 95kHz, enabling optimized performance for various load conditions. Built-in protection features including current limiting, over-temperature, and over-voltage safeguards ensure robust operation in demanding environments.\u003c\/p\u003e\u003cp\u003eThe InSOP-T28G surface mount package provides excellent thermal performance and simplified PCB layout, while RoHS compliance ensures environmental responsibility. With an operating temperature range of -40°C to 125°C, the INN3949FQ-MR is engineered for long-term reliability in harsh industrial applications.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e70W maximum output power with isolated topology\u003c\/li\u003e\n\u003cli\u003e1700V breakdown voltage for enhanced safety margin\u003c\/li\u003e\n\u003cli\u003eSecondary side synchronous rectification for improved efficiency\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: 30V to 1200V\u003c\/li\u003e\n\u003cli\u003eAdjustable switching frequency: 25kHz to 95kHz\u003c\/li\u003e\n\u003cli\u003eComprehensive fault protection (current limiting, OTP, OVP)\u003c\/li\u003e\n\u003cli\u003eSoft start control for reduced inrush current\u003c\/li\u003e\n\u003cli\u003eExtended operating temperature: -40°C to 125°C\u003c\/li\u003e\n\u003cli\u003eCompact InSOP-T28G surface mount package\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmental compliance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustrial power supplies and automation equipment\u003c\/li\u003e\n\u003cli\u003eTelecommunications infrastructure and networking gear\u003c\/li\u003e\n\u003cli\u003eLED lighting drivers and control systems\u003c\/li\u003e\n\u003cli\u003eBattery chargers and energy storage systems\u003c\/li\u003e\n\u003cli\u003eConsumer electronics and home appliances\u003c\/li\u003e\n\u003cli\u003eMedical equipment and instrumentation\u003c\/li\u003e\n\u003c\/ul\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\u003eFQ\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTape \u0026amp; Reel (TR) | \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\u003e1700V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eTopology\u003c\/td\u003e \t\u003ctd\u003eFlyback, Secondary Side SR\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Start Up\u003c\/td\u003e \t\u003ctd\u003e30 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e30V ~ 1200V\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\u003e25kHz ~ 95kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e70 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\u003eSoft Start\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 125°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\u003e28-PowerSMD Module (0.425\", 10.80mm Width), 19 Leads\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003eInSOP-T28G\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":51996712534305,"sku":"INN3949FQ-MR","price":355904.94,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/pna_en_Public_19775f47-9683-441b-8720-d54ab1b95e37.jpg?v=1762933853","url":"https:\/\/hqickey.com\/de\/products\/inn3949fq-mr","provider":"HQICKEY","version":"1.0","type":"link"}