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Scope: High-power constant-current buck LED driver lithium battery (including ferroelectric)£¬ 4V£¬ 6V£¬ 12V£¬ 14V£¬ 24V battery charging£¬ batteries£¬ nickel-cadmium nickel-metal hydride batteries (battery pack) The charging£¬ solar panels£¬ Wind Turbines. Module Properties: non-synchronous rectification module non-isolated step-down constant current charging module CC CV Module parameters: Input voltage: 7-32V (12V input and output can be constant over time) Output voltage: 1.25V~28V adjustable Low pressure 1.5V: input voltage must be higher than the output voltage of 1.5V can not boost above) Output Current: 8A time within the maximum 10A (power tube temperature exceeds 65 degrees£¬ please add cooling fan£¬ 24V switch 12V 6A less at room temperature using a general can not add fan) Output power: maximum power of about 200W£¬ the module more than 65 degrees£¬ please add fan. Conversion efficiency: up to about 95% (efficiency and input and output voltage£¬ current£¬ pressure related) Constant current range: 0.3-10A (adjustment) Turn lamp current: constant current value (0.1)£¬ turn the lamp current constant current value linkage£¬ such as constant value 3A£¬ turn the lamp current is set to a constant current of 0.1 times (0.1 * 3A = 0.3A)£¬ when the constant when the current value is adjusted to 2A£¬ then turn the lamp current constant current of 0.1 times (0.1 x 2A = 0.2A). Operating frequency: 300KHZ Output ripple: about the ripple 50mV (excluding noise) 20M bandwidth (for reference) Input 24V Output 12V 5A measured Operating temperature: Industrial grade (-40 ¡æ to + 85 ¡æ) (Please note that the actual use of the power tube temperature£¬ high temperature£¬ please enhance heat dissipation) No-load current: Typical 20mA (24V switch 12V) Load regulation: ± 1% (constant voltage) Voltage Regulation: ± 1% Constant accuracy and temperature: the actual test£¬ the module temperature changes from 25 degrees to 60 degrees£¬ the change is less than 5% of the current value (current value 5A) Dynamic response speed: 5% 200uS Potentiometer adjustment direction: clockwise (increase)£¬ counterclockwise (decrease) Indicator: Two-color LED£¬ charging bright red£¬ fully charged will turn green (no-load of green) Output short circuit protection: Yes£¬ constant current (constant current setting values) Input reverse polarity protection: None Anti actually output stream: No£¬ for charging the battery needs plus two diode! Connection: Terminals Battery charging method: 1. Determine whether you need to recharge battery float voltage and charge current£¬ input voltage of the module; 2. Adjust the constant voltage potentiometer£¬ the output voltage is regulated to about 5V. 3. 10A current with a multimeter measuring the output short-circuit current block£¬ while adjusting the constant current potentiometer allows the output current reaches a predetermined charge current value; 4. Adjust the constant voltage potentiometer allows the output voltage reaches the float voltage; 5. connected to the battery£¬ try charging. (1£¬2£¬3£¬4 take steps to block input power£¬ output load is not connected to the battery.) LED constant current driver Usage: 1. Determine whether you need to drive LED current and the maximum operating voltage; 2. Adjust the constant voltage potentiometer£¬ the output voltage is regulated to about 5V. 3. 10A current with a multimeter measuring the output short-circuit current block£¬ while adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current; 4. Adjust the constant voltage potentiometer allows the output voltage reaches the LED maximum working voltage; 5. connected to the LED£¬ the test machine. (1£¬2£¬3£¬4 take steps to block input power£¬ output load is not connected LED.) Applications: Adjustable power supply (10A power)£¬ high-power LED driver£¬ LED display driver£¬ rechargeable lead-acid batteries£¬ lithium battery charging£¬ car power£¬ car laptop power supply (Buck)£¬ power supply£¬ low voltage power supply system£¬ (such as children's toys vehicles with 12V battery down to 6V)£¬ 24V switch 12V 10A / 12V turn 5V 12A /24V turn 5V 12A / 24V 19V switch to laptop charging£¬ etc.£¬ a very wide range of applications.