{"product_id":"dc-9a-300w-step-down-buck-converter-7-40v-to-1-2-35v-power-module","title":"300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module","description":"\u003cmeta name=\"description\" content=\"Buy 300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e \u003ch1\u003e300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module\u003c\/h1\u003e \u003cp\u003eThe 300W 10A DC-DC Step-down Buck Converter is a high-efficiency power conversion module designed to regulate higher DC input voltages to a stable lower output voltage. It is widely used by electronics engineers, robotics developers, and industrial system integrators for powering sensitive components. This module solves voltage instability issues and enables precise voltage control in applications requiring reliable DC power conversion.\u003c\/p\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThis buck converter module operates using high-frequency switching regulators to efficiently step down input voltages while minimizing heat dissipation. It uses an advanced PWM (Pulse Width Modulation) control architecture combined with high-quality MOSFETs and inductors to achieve conversion efficiencies up to 95%. The onboard potentiometer allows fine-tuning of output voltage, making it suitable for a wide range of voltage regulation applications.\u003c\/p\u003e \u003cp\u003eWhat sets this model apart is its high power handling capability (up to 300W) and continuous current output of 10A, supported by a large heat sink for thermal stability. It includes onboard filtering capacitors to reduce ripple and noise, ensuring clean output voltage for sensitive electronics like microcontrollers, communication modules, and motor drivers.\u003c\/p\u003e \u003ch2\u003eKey Specifications\u003c\/h2\u003e \u003ctable\u003e \u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDC-DC Step-down (Buck) Converter Module\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneric \/ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e6V to 40V DC\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e1.2V to 36V DC (Adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMaximum Output Current\u003c\/td\u003e\n\u003ctd\u003e10A (with proper cooling)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eMaximum Power Output\u003c\/td\u003e\n\u003ctd\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eConversion Efficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e150 kHz (typical)\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eHigh efficiency up to 95%, reducing heat loss and improving power delivery performance\u003c\/li\u003e \u003cli\u003eWide input voltage range supports various power sources including batteries and DC supplies\u003c\/li\u003e \u003cli\u003ePrecision adjustable output via multi-turn potentiometer for accurate voltage tuning\u003c\/li\u003e \u003cli\u003eIntegrated heat sink and thermal design enable stable high-current operation\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e \u003cul\u003e \u003cli\u003ePowering microcontrollers like Arduino, ESP32, and Raspberry Pi from higher voltage sources\u003c\/li\u003e \u003cli\u003eBattery-powered systems requiring regulated DC output for motors or sensors\u003c\/li\u003e \u003cli\u003eLED lighting systems with stable voltage requirements\u003c\/li\u003e \u003cli\u003eIndustrial automation systems and robotics requiring efficient voltage step-down\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eHow to Use\u003c\/h2\u003e \u003cp\u003eConnect the input terminals to a DC power source within the supported range (6V–40V), ensuring correct polarity. Use a multimeter to monitor the output while adjusting the onboard potentiometer to set the desired output voltage before connecting your load.\u003c\/p\u003e \u003cp\u003eFor high current applications near 10A, ensure adequate airflow or additional cooling to prevent overheating. Always verify voltage levels before connecting sensitive electronics to avoid damage.\u003c\/p\u003e \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e \u003cdetails\u003e \u003csummary\u003eCan this module handle continuous 10A current?\u003c\/summary\u003e \u003cp\u003eYes, but only with proper cooling. For sustained operation at high currents, additional heat sinking or active cooling is recommended to maintain stability and prevent thermal shutdown.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eIs the output voltage stable under varying load conditions?\u003c\/summary\u003e \u003cp\u003eThe module uses PWM regulation and feedback control to maintain stable output voltage, though slight ripple may occur at high loads. Adding external capacitors can further improve stability.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eCan it step up voltage as well?\u003c\/summary\u003e \u003cp\u003eNo, this is a buck (step-down) converter only. It can only reduce voltage from input to output and cannot increase voltage levels.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e \u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e \u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e \u003c\/details\u003e \u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e \u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e \u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e \u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e \u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e \u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e \u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e \u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eBuy 300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module Online in India\u003c\/h2\u003e \u003cp\u003ePurchase the \u003cstrong\u003e300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003e300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e \u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43859602407587,"sku":"TES-EV010236","price":304.22,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/BE-01-0230-250x250.jpg?v=1704354506","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/dc-9a-300w-step-down-buck-converter-7-40v-to-1-2-35v-power-module","provider":"The Engineer Store","version":"1.0","type":"link"}