{"product_id":"sd4938-pwm-controller-ic-150v-mosfet-pakistan","title":"On Demand SD4938 PWM Controller IC 150V MOSFET Current Mode (SMPS Power Supply IC) MOQ IS 100PCS","description":"\u003cp\u003eThe SD4938 is a high-performance current mode PWM controller IC with integrated 150V MOSFET designed for switch-mode power supplies (SMPS) in Pakistan. Featuring a built-in high-voltage start-up circuit and burst mode operation at light loads, this power management IC delivers efficient AC-DC conversion for chargers, adapters, and low-power switching power supplies. The SD4938 provides excellent line and load regulation with minimal external components for cost-effective SMPS designs.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntegrated 150V high-voltage MOSFET for direct AC line operation in SMPS applications\u003c\/li\u003e\n\u003cli\u003eCurrent mode PWM control ensures fast transient response and excellent load regulation\u003c\/li\u003e\n\u003cli\u003eBuilt-in high-voltage start-up circuit eliminates need for external start-up resistor\u003c\/li\u003e\n\u003cli\u003eBurst mode operation at light loads improves efficiency and reduces standby power consumption\u003c\/li\u003e\n\u003cli\u003eComprehensive protection features: over-voltage, over-current, over-temperature, and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eWide input voltage range suitable for universal AC input (85-265V AC) applications\u003c\/li\u003e\n\u003cli\u003eSOP-8 package for compact PCB layout and easy assembly in Pakistan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMobile phone chargers and USB power adapters for smartphones and tablets\u003c\/li\u003e\n\u003cli\u003eLow-power AC-DC switching power supplies up to 15W output\u003c\/li\u003e\n\u003cli\u003eLED driver power supplies for lighting applications in Pakistan\u003c\/li\u003e\n\u003cli\u003eSet-top boxes, routers, and consumer electronics power supplies\u003c\/li\u003e\n\u003cli\u003eHome appliance auxiliary power supplies and standby power circuits\u003c\/li\u003e\n\u003cli\u003eBattery chargers for cordless tools and portable devices\u003c\/li\u003e\n\u003cli\u003eIndustrial control and automation low-power supplies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e SD4938\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Current Mode PWM Controller with Integrated MOSFET\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMOSFET Voltage Rating:\u003c\/b\u003e 150V\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eControl Mode:\u003c\/b\u003e Current mode PWM (Pulse Width Modulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage Range:\u003c\/b\u003e 85-265V AC (universal input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStart-up Circuit:\u003c\/b\u003e Integrated high-voltage start-up\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Mode:\u003c\/b\u003e Burst mode at light load for high efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwitching Frequency:\u003c\/b\u003e Typically 65kHz (varies with design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection:\u003c\/b\u003e OVP, OCP, OTP, short-circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackage:\u003c\/b\u003e SOP-8 (Small Outline Package, 8 pins)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Temperature:\u003c\/b\u003e -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTypical Application:\u003c\/b\u003e 5V-12V output, up to 15W SMPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 0.5g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from Digilog.pk?\u003c\/h3\u003e\u003cp\u003eWe provide authentic SD4938 PWM controller ICs and power management components in Pakistan at competitive prices. Fast delivery to Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and across Pakistan with technical support for your SMPS and power supply design projects.\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":43962623819841,"sku":"SD4938-SOP8","price":150.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/SD4938PWMControllerIC150VMOSFETCurrentMode.jpg?v=1779581921","url":"https:\/\/stem.pk\/products\/sd4938-pwm-controller-ic-150v-mosfet-pakistan","provider":"stem.pk","version":"1.0","type":"link"}