{"product_id":"ucc28c44dr-current-mode-pwm-controller","title":"UCC28C44DR PWM Controller IC – Current-Mode Power Supply Controller (VSSOP-8)","description":"\u003ch2 style=\"text-align: left;\"\u003eUCC28C44DR Current-Mode PWM Controller for Power Supply Applications\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eUCC28C44DR\u003c\/strong\u003e is a high-performance \u003cstrong\u003ecurrent-mode PWM controller IC\u003c\/strong\u003e designed for \u003cstrong\u003eswitch-mode power supplies (SMPS)\u003c\/strong\u003e and \u003cstrong\u003eDC-DC converters\u003c\/strong\u003e. Engineered for efficiency and reliability, it provides precise control for fixed-frequency power conversion systems.\u003c\/p\u003e\n\u003cp\u003eWith low startup current and reduced operating consumption, this controller improves overall system efficiency while maintaining stable performance. Its fast current sensing and high-speed switching capabilities make it ideal for demanding power applications.\u003c\/p\u003e\n\u003cp\u003eCapable of driving external MOSFETs directly with up to \u003cstrong\u003e±1A peak output current\u003c\/strong\u003e, the UCC28C44DR ensures efficient switching and reduced losses in power circuits.\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent-mode PWM controller for SMPS and DC-DC applications\u003c\/li\u003e\n\u003cli\u003eMaximum switching frequency up to 1 MHz\u003c\/li\u003e\n\u003cli\u003eLow startup current: 50µA (100µA max)\u003c\/li\u003e\n\u003cli\u003eLow operating current: 2.3 mA\u003c\/li\u003e\n\u003cli\u003eCycle-by-cycle overcurrent protection (35 ns response)\u003c\/li\u003e\n\u003cli\u003e±1A peak output drive capability for MOSFET control\u003c\/li\u003e\n\u003cli\u003eHigh-speed switching with fast rise\/fall times\u003c\/li\u003e\n\u003cli\u003eAccurate 2.5V reference (±1%)\u003c\/li\u003e\n\u003cli\u003eUndervoltage lockout (UVLO) protection\u003c\/li\u003e\n\u003cli\u003eCompact VSSOP-8 surface-mount package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: left;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eUCC28C44DR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eCurrent-Mode PWM Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eMax Switching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e1 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eStartup Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e50µA (typ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e2.3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eOutput Drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e±1A Peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eReference Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e2.5V ±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eOvercurrent, UVLO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eVSSOP-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eSurface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003c\/h3\u003e\n\u003ch3 style=\"text-align: left;\"\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003eswitch-mode power supplies\u003c\/strong\u003e, \u003cstrong\u003eoffline converters\u003c\/strong\u003e, \u003cstrong\u003eDC-DC power modules\u003c\/strong\u003e, and \u003cstrong\u003eindustrial power management systems\u003c\/strong\u003e.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":42500669538483,"sku":null,"price":1.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/UCC28C44DR-Current-mode-PWM-Controller.webp?v=1774277146","url":"https:\/\/lys-sz.com\/products\/ucc28c44dr-current-mode-pwm-controller","provider":"LYS Shenzhen","version":"1.0","type":"link"}