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Description high efficiency DC-DC Automatic buck and boost 80W constant current laptop power supply module Car LED Battery charging Auto step down and step up power supply module #1200123 Module parameters : Module Properties: non-isolated buck and boost automatically Constant-Current/Constant-Voltage Input voltage :8-30V Output voltage: (1) continuously adjustable (2-16V) Output constant current range :0.5-6A (80W MAX) (continuously adjustable) Output power: natural cooling 80W (input voltage greater than 10V, the input 8V output 60W MAX) Conversion efficiency: Input 12V Output 12V 0.5A Efficiency 90% Input 12V Output 12V 1.0A efficiency of 93.6% Input 12V Output 12V 1.5A efficiency of 94.6% Input 12V Output 12V 2.0A efficiency of 94.1% Input 12V Output 12V 2.5A efficiency of 93.8% Input 14V Output 12V 3.0A efficiency of 93.7% Input 14V Output 12V 3.5A efficiency of 93.1% Input 14V Output 12V 4.0A efficiency of 92.9% Input 14V Output 12V 4.5A 92.6% Input 14V Output 12V 5.0A efficiency of 92.0% Input 14V Output 12V 5.5A efficiency of 91.3% Input 14V Output 12V 6.0A 90.0% Output ripple: 20M bandwidth (for reference only) Input 12V Output 12V 2A ripple 21mV Operating temperature: Industrial grade (-40 ℃ to +85 ℃) (ambient temperature exceeds 40 degrees, lower power use, or to enhance heat dissipation) housing surface temperature can not exceed 90 degrees Full load temperature rise: 40 ° C No-load current: typical 45mA (12V turn 12V) Load Regulation: ± 2% Voltage Regulation: ± 0.5% Dynamic response speed: 5% 200uS Short circuit protection: (current limiting, current limiting value of the value of the constant current) Undervoltage protection: 7.7V Input reverse polarity protection:. Installation: screw (diameter 3 mm), 2 fixing holes, two fixed hole spacing of 82 mm Wiring: plug terminals, pressure lines, no welding Housing: aluminum casting process, you can work in harsh conditions Applications 1) battery regulator can 12V battery (10-14V) output regulator 12V, 24V battery output regulator 12V. 2) solar charger regulator can fluctuations in solar cell voltage stabilized, and can charge the battery to avoid battery overshoot. 3). Supply for your electronic equipment, extra-wide pressure and step-down constant current design, wide applicable voltage range. 4) The front of the system-level power supply, extra wide pressure step-up/down design, wide applicable voltage range. 5) constant current institutions, can give charge the battery to drive high power LED 6) before the class system, the design of ultra-high conversion efficiency, environmental protection, small heat loss ability. 1-4 string of high-power LED driver can be used to charge the battery, battery regulator, car voltage regulator, equipment supply, etc. Easy to adjust the voltage and current drive LED (for example, 3-string LED current 1A) 1. Module input of the power output of LED, adjust the CV output voltage reaches about 11-12V; Counterclockwise adjustment CC multi-turn potentiometer has been adjusted to the end until you hear a potentiometer which issued da da sound (); 3. Connecting LED, and the series between the cathode of the LED cathode and the module output a current meter (ammeter internal resistance as small as possible, ammeter connected wires as thick, short, so as not to affect the debugging results); 4. Energized, the LED should not light or micro-light, observe the the ammeter display of current CC clockwise slowly adjust until the ammeter display about 1A. 5. Remove ammeter, direct power test machine. features: 1. Boost buck automatic switch, wide input voltage range 2. Can Constant-Current/Constant-Voltage (for driving high-power LEDs, and charge the battery) 3. Up to 94% efficiency, fever, loss of energy is small 4. Low ripple design of load disturbance, 12V to 12V 2A typical ripple 21mV 5. Effectively prevent the input and output breakdown through, security design (equipment safety) 6. With the input reverse and undervoltage protection, output short-circuit and over-current protection 7. Aluminum shell potting design, earthquake, waterproof, heat, harsh environment adaptability 8. The pluggable terminal design, easy assembly and disassembly, wiring more convenient 9. Can work in parallel in power is not enough occasions 10. Laser marking anti-counterfeit, the serial number of each product are different Note: The input and output negative can not be mixed or connected together. IN + input positive. IN-input negative. OUT + output cathode. OUT-output negative. Customer to charge the battery Note: a diode in series between the output of the positive battery cathode. If you do not take it when the charger is used, we do not module warranty series diode. Simple is if the output load of of battery classes or charged, the output must be diode in series. Default shipping parameters of the output current value of the output voltage of approximately 12V 2.5A, if you load current needs to be greater than 2.5A CC potentiometer clockwise laps, in order to increase the output current. packing including: 1X power supply module Payment We only accept payments via paypal. All payments must be prepaid, no Cash and COD payment. We will ship the item to the address on your paypal payment notice, Please confirm your shipping address in the PayPal Account. If you have any problem about payment , please contact us. Delivery details Item will be shipped within 3 working days after full payment is received. We ship worldwide with flat rate shipping by post Air mail, the shipment usually takes 15-45 business days . We can also provide express post by EMS(5-8 days) or UPS(4-5 days). The cost is higher than standard postage, extra shipping fees is needed. if you need express post please contact us ! 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