{"product_id":"uc3845b-current-mode-pwm-controller-in-pakistan","title":"Current Mode Pwm Controller Uc3845b","description":"\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003eThe \u003cstrong\u003eCurrent Mode Pwm \u003ca href=\"https:\/\/hallroad.org\/microcontroller-pic16f883-dip-28.html\" target=\"_blank\"\u003eController \u003c\/a\u003eUC3845B\u003c\/strong\u003e is a high performance fixed frequency current mode controller. This \u003cstrong\u003ecurrent mode PWM \u003c\/strong\u003eis specifically designed for Off-Line and \u003cstrong\u003edc-to-dc converter \u003c\/strong\u003eapplications offering the designer a cost-effective solution with minimal external components. This\u003cstrong\u003e PWM \u003ca href=\"https:\/\/hallroad.org\/pic16f628a-16f628a-pic-microcontroller.html\" target=\"_blank\"\u003econtroller\u003c\/a\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/hallroad.org\/pic16f628a-16f628a-pic-microcontroller.html\" target=\"_blank\"\u003e \u003c\/a\u003efeatures an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003eAlso included are protective features consisting of input and reference under-voltage lockouts each with hysteresis, cycle-by-cycle current limiting, a latch for single pulse metering, and a flip-flop which blanks the output of every other oscillator cycle, allowing output deadtimes to be programmed from 50% to 70%.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003ch2\u003e\u003cstrong\u003eFeatures Of High-Performance Current Mode PWM Controller UC3845B:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eTrimmed oscillator for precise frequency control.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eOscillator frequency guaranteed at 250 kHz.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eCurrent mode operation to 500 kHz output switching frequency.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eOutput deadtime adjustable from 50% to 70%.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eAutomatic feed-forward compensation.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eLatching PWM for cycle-by-cycle current limiting.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eInternally trimmed reference with undervoltage lockout.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eHigh current totem pole output.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eUnder-voltage lockout with hysteresis.\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003eLow startup and operating current.\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2\u003e\u003cstrong\u003eSpecifications Of Best 8 Pins PWM Controller IC UC3845B:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\r\n\u003col\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eSupply Voltage (low impedance source): \u003c\/strong\u003e30V\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eSupply Voltage (Ii \u0026lt; 30mA): \u003c\/strong\u003eSelf Limiting\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eOutput Current:\u003c\/strong\u003e ±1A\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eOutput Energy (capacitive load): \u003c\/strong\u003e5µJ\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eAnalog Inputs (pins 2, 3):\u003c\/strong\u003e – 0.3 to 5.5V\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eError Amplifier Output Sink Current: \u003c\/strong\u003e10mA\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003ePower Dissipation at Tamb: \u003c\/strong\u003e≤ 25°C (Mini dip) 1.25W\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003ePower Dissipation at Tamb: \u003c\/strong\u003e≤ 25°C (SO8) 800mW\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eStorage Temperature Range:\u003c\/strong\u003e – 65 to 150°C\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eOperating Temperature: \u003c\/strong\u003e– 40 to 150°C\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cstrong\u003eTemperature (soldering 10s): \u003c\/strong\u003e300°C\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\r\n\u003ch2\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/h2\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003e\r\n\t\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e1 x Current Mode PWM Controller UC3845B\u003c\/span\u003e\u003c\/p\u003e\r\n\t\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003eBest Online Shopping website for Current Mode PWM Controller UC3845B 8 Pin PWM \u003ca href=\"\/products\/at89c55-en\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"At89s51 cmos 8 bit microcontroller – digilog.pk\" aria-label=\"Visit a webpage about At89s51 cmos 8 bit microcontroller – digilog.pk\"\u003eController \u003c\/a\u003eIC in cheap price in Karachi, Lahore, Islamabad, Rawalpindi, Sukkur, Peshawar, Multan, Quetta, Faisalabad and all over Pakistan.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/digilog.pk\/cdn\/shop\/files\/Current-Mode-PWM-Controller-UC3845B-In-Lahore-Karachi-Islamabad-Peshawar-Quetta-Mardan-Multan-Sibbi-Hyderabad.jpg\" data-original=\"https:\/\/hallroad.digilog.pk\/images\/watermarked\/detailed\/29\/Current_Mode_PWM_Controller_UC3845B_In_Lahore_Karachi_Islamabad_Peshawar_Quetta_Mardan_Multan_Sibbi_Hyderabad_Faisalabad_Pakistan__2_.jpg\" alt=\"Current Mode Pwm Controller Uc3845b\" loading=\"lazy\" data-files=\"Current-Mode-PWM-Controller-UC3845B-In-Lahore-Karachi-Islamabad-Peshawar-Quetta-Mardan-Multan-Sibbi-Hyderabad.jpg\"\u003e\u003c\/p\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":43962401620033,"sku":"B92,L6,Th3","price":45.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/Current_Mode_PWM_Controller_UC3845B_In_Lahore_Karachi_Islamabad_Peshawar_Quetta_Mardan_Multan_Sibbi_Hyderabad_Faisalabad_Pakistan__2_43d769fe-c582-4d27-8933-3a5b501c0f6b.jpg?v=1779575130","url":"https:\/\/stem.pk\/products\/uc3845b-current-mode-pwm-controller-in-pakistan","provider":"stem.pk","version":"1.0","type":"link"}