{"product_id":"dc-9a-280w-step-down-buck-converter-7-40v-to-1-2-35v-power-module-led-driver","title":"Dc 9A 300W Step Down Buck Converter 7-40V To 1.2-35V Power Module","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eDc 9A 300W Step Down Buck Converter 7-40V To 1.2-35V Power Module\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003e This 10A Adjustable Constant Current Power Supply \u003c\/strong\u003e is designed for stable and precise current regulation, ideal for LED drivers. It features a dedicated reference IC and high-precision sampling resistor for minimal temperature drift and stable performance. The maximum output current reaches 10A, meeting most power needs. With 4 high-frequency capacitors to reduce ripple and a double heat sink design, it ensures efficient heat dissipation. \u003cbr\u003e\u003cbr\u003eThe system uses pure copper wires for better efficiency and heat reduction. The 3296 multi-turn potentiometer allows accurate voltage and current adjustment. It also includes a two-color indicator light to show the working status clearly. Adjustable voltage and current make this power supply versatile and reliable for various applications.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details \u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eModule Characteristics: Non-isolated step-down constant current, constant voltage (CV CC) charging module\u003c\/li\u003e\n\u003cli\u003eInput Voltage: DC 7-32V\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 1.2V-28V adjustable, or fixed output 0.8V-28V\u003c\/li\u003e\n\u003cli\u003eOutput Current: 8A (cooling fan required if power tube temperature exceeds 65°C)\u003c\/li\u003e\n\u003cli\u003eConstant Current Range: 0.2-8A (adjustable)\u003c\/li\u003e\n\u003cli\u003eTurn Lamp Current: Constant current value * 0.1 (e.g., for 3A constant current, the lamp current is 0.3A)\u003c\/li\u003e\n\u003cli\u003eLowest Pressure: 1V\u003c\/li\u003e\n\u003cli\u003eOutput Power: Maximum 200W\u003c\/li\u003e\n\u003cli\u003eConversion Efficiency: Up to 95%\u003c\/li\u003e\n\u003cli\u003eOperating Frequency: 300KHz\u003c\/li\u003e\n\u003cli\u003eOutput Ripple: 20M bandwidth\u003c\/li\u003e\n\u003cli\u003eRipple at 24V input, 12V output, 5A: Around 50mV (excluding noise)\u003c\/li\u003e\n\u003cli\u003eOutput Short Circuit Protection: Yes, constant current\u003c\/li\u003e\n\u003cli\u003eInput Reverse Polarity Protection: None\u003c\/li\u003e\n\u003cli\u003eOutput Backflow Prevention: None\u003c\/li\u003e\n\u003cli\u003eWiring: Terminal\u003c\/li\u003e\n\u003cli\u003eNo-load Current: Typical 20mA (24V switch 12V)\u003c\/li\u003e\n\u003cli\u003eLoad Regulation: ± 1% (fixed)\u003c\/li\u003e\n\u003cli\u003eVoltage Regulation: ± 1%\u003c\/li\u003e\n\u003cli\u003eDynamic Response Speed: 5% 200uS\u003c\/li\u003e\n\u003cli\u003eAdjustment Direction Potentiometer: Clockwise to increase voltage, counterclockwise to decrease. CV adjusts input voltage, CC adjusts current.\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40°C to +85°C (industrial grade, with temperature considerations for power tube)\u003c\/li\u003e\n\u003cli\u003eIndicator: Dual-color indicator (Red for charging, Green for fully charged, No load is green)\u003c\/li\u003e\n\u003cli\u003eSize: 65x47x22mm (L x W x H)\u003c\/li\u003e\n\u003cli\u003eAccuracy of Constant Current and Temperature: Less than 5% change in constant current value from 25°C to 60°C (5A constant current)\u003c\/li\u003e\n\u003cli\u003eOutput Short Circuit Protection: Yes, constant current setting value applies\u003c\/li\u003e\n\u003cli\u003eInput Reverse Connection Protection: No\u003c\/li\u003e\n\u003cli\u003eOutput Prevent Reverse Flow: No\u003c\/li\u003e\n\u003cli\u003eWiring Method: Amphenol connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures \u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eTurn lamp current is 0.1 times the current value for battery charge indication.\u003c\/li\u003e\n    \u003cli\u003eStable constant current with \u0026lt;1% temperature drift, ideal for LED drivers.\u003c\/li\u003e\n    \u003cli\u003eMax output current: 8A.\u003c\/li\u003e\n    \u003cli\u003eHigh-frequency capacitors reduce ripple and improve stability.\u003c\/li\u003e\n    \u003cli\u003eDouble heat sink design for effective heat dissipation.\u003c\/li\u003e\n    \u003cli\u003eSendust Core and pure copper wiring for better efficiency and less heat.\u003c\/li\u003e\n    \u003cli\u003ePrecise voltage and current regulation with 3296 multiturn potentiometer.\u003c\/li\u003e\n    \u003cli\u003eDual-color indicator for clear working status.\u003c\/li\u003e\n    \u003cli\u003eAdjustable voltage and current for optimized performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eBattery charge:\n \u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCheck the required battery float voltage, charging current, and module input voltage.\u003c\/li\u003e\n    \u003cli\u003eAdjust the constant voltage potentiometer to set output voltage to around 5V.\u003c\/li\u003e\n    \u003cli\u003eUse a multimeter (10A scale) to measure output short-circuit current and adjust the current potentiometer to the desired charging current.\u003c\/li\u003e\n    \u003cli\u003eAdjust the constant voltage potentiometer to match the float voltage.\u003c\/li\u003e\n    \u003cli\u003eConnect the battery and test the charging process. (Steps 1-4 should be done with no battery connected.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eLED constant current drive: \u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCheck the operating current and max operating voltage of the LED.\u003c\/li\u003e\n    \u003cli\u003eAdjust the constant voltage potentiometer to set output voltage to around 5V.\u003c\/li\u003e\n    \u003cli\u003eUse a multimeter (10A scale) to measure output short-circuit current, then adjust the current potentiometer to match the LED operating current.\u003c\/li\u003e\n    \u003cli\u003eAdjust the constant voltage potentiometer to reach the maximum LED operating voltage.\u003c\/li\u003e\n    \u003cli\u003eConnect the LED and test. (Steps 1-4 should be done with no LED connected.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eApplications :\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh-Power LED Driver\u003c\/strong\u003e: Powers high-intensity LEDs for lighting and displays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLithium Battery (or Lead Accumulator) Charge\u003c\/strong\u003e: Charges lithium or lead-acid batteries in various devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-Mounted Power Supply\u003c\/strong\u003e: Provides power to vehicles' electrical systems, including inverters and accessories.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage System Power Supply\u003c\/strong\u003e: Supplies power for low-voltage electronics and devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6V, 12V, 14V, 24V Battery Charge\u003c\/strong\u003e: Charges various battery types (6V, 12V, 14V, 24V) for different applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-Board Laptop Power Supply\u003c\/strong\u003e: Powers laptops or portable computers in vehicles or mobile setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegulated Power Supply\u003c\/strong\u003e: Provides a stable voltage output for sensitive electronic equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Power Supply System\u003c\/strong\u003e: Powers systems requiring low voltage for operation, such as sensors or communication devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eSize: 65x47x22mm (L x W x H)\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 58\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x Dc 9A 300W Step Down Buck Converter 7-40V To 1.2-35V Power Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708927553717,"sku":"KG509","price":299.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/products\/DC9A280WStepDownBuckConverter7.jpg?v=1738927047","url":"https:\/\/kitsguru.com\/de\/products\/dc-9a-280w-step-down-buck-converter-7-40v-to-1-2-35v-power-module-led-driver","provider":"KitsGuru","version":"1.0","type":"link"}