{"product_id":"uc3851dwtr","title":"UC3851DWTR","description":"\u003cp\u003eThe \u003cstrong\u003eUC3851DWTR\u003c\/strong\u003e is a high-performance PWM controller IC from Texas Instruments, designed for versatile AC\/DC power conversion applications. This multi-topology controller supports Boost, Buck, Flyback, and Forward converter designs, making it an ideal choice for engineers developing flexible power supply solutions across aerospace, industrial, and telecommunications sectors.\u003c\/p\u003e\u003cp\u003eEngineered for reliability and precision, the UC3851DWTR operates across a wide supply voltage range of 7.8V to 32V with an 8V start-up threshold. Its advanced control features include frequency control and soft start functionality, while integrated fault protection mechanisms (current limiting and over-voltage protection) ensure robust operation in demanding environments. With switching frequencies up to 500kHz and a 50% duty cycle, this controller delivers efficient power management in a compact 18-SOIC surface mount package.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-topology support: Boost, Buck, Flyback, Forward converters\u003c\/li\u003e\n\u003cli\u003eWide supply voltage range: 7.8V to 32V\u003c\/li\u003e\n\u003cli\u003eHigh switching frequency: Up to 500kHz\u003c\/li\u003e\n\u003cli\u003eIntegrated protection: Current limiting, over-voltage\u003c\/li\u003e\n\u003cli\u003eAdvanced control: Frequency control, soft start\u003c\/li\u003e\n\u003cli\u003eOperating temperature: 0°C to 70°C (TA)\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eSurface mount 18-SOIC package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical 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\u003eTexas Instruments\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eMarketplace | Cut Tape (CT)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOutput Isolation\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInternal Switch(s)\u003c\/td\u003e \t\u003ctd\u003eNo\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Breakdown\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eTopology\u003c\/td\u003e \t\u003ctd\u003eBoost, Buck, Flyback, Forward\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Start Up\u003c\/td\u003e \t\u003ctd\u003e8 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e7.8V ~ 32V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e50%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003eUp to 500kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003eCurrent Limiting, Over Voltage\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eControl Features\u003c\/td\u003e \t\u003ctd\u003eFrequency Control, Soft Start\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e0°C ~ 70°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\u003e18-SOIC (0.295\", 7.50mm Width)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e18-SOIC\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\u003eApplications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOffline AC\/DC power supplies\u003c\/li\u003e\n\u003cli\u003eIndustrial power conversion systems\u003c\/li\u003e\n\u003cli\u003eTelecommunications equipment\u003c\/li\u003e\n\u003cli\u003eBattery charging systems\u003c\/li\u003e\n\u003cli\u003eDistributed power architectures\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAs an authorized distributor, \u003cstrong\u003eHQICKEY\u003c\/strong\u003e provides genuine Texas Instruments components with full traceability, RoHS\/REACH compliance documentation, and technical support. All products are sourced through authorized channels and backed by manufacturer warranties.\u003c\/p\u003e\u003ch3\u003eRelated Products \u0026amp; Resources:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExplore our complete \u003ca href=\"https:\/\/hqickey.com\/collections\/ac-dc-converters-offline-switchers\" title=\"AC DC Converters, Offline Switchers\"\u003eAC DC Converters, Offline Switchers\u003c\/a\u003e collection for more power management solutions\u003c\/li\u003e\n\u003cli\u003eVisit \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Authorized Semiconductor Distributor\"\u003eHQICKEY\u003c\/a\u003e for our full semiconductor component catalog\u003c\/li\u003e\n\u003cli\u003eRead our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY Technical Blog\"\u003eTechnical Blog\u003c\/a\u003e for design guides, application notes, and industry insights\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":51117002752289,"sku":"UC3851DWTR","price":71.03,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_18-SOIC_df9db78f-40f4-4a3b-a009-e118d378e8dd.jpg?v=1743666344","url":"https:\/\/hqickey.com\/products\/uc3851dwtr","provider":"HQICKEY","version":"1.0","type":"link"}