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DC 5-35V To 1.25-30V 3A Step Down Buck Power Supply Module LM2596

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৳ 380.00

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Update content:
1.Fixed turn the lamp current to 0.1 times the value of the constant current (charge when used to identify whether the battery is full);
2. Increased input reverse polarity protection diode;
3. Increase the output of a backflow preventing diode to prevent when the electricity to charge the battery back in;
4. Using dedicated reference IC, and high-precision sampling resistor, so that the constant current is more stable, (20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1%).
Particularly suitable for LED driver
High-power LED constant current drive
Lithium battery charger (including ferroelectric)
4V, 6V, 12V, 14V, 24V battery charger
Nickel cadmium, nickel metal hydride battery pack charger
Solar panels and wind turbines
Specifications:
Input Voltage: 5-35V
Output Voltage: Continuously adjustable from 1.25 V to 30V
Rated Output Current: 3A
Max. Output Current:4A(more than 15W, preferably with a heat sink)
Size (L x W x H): Approx. 1.9 x 0.95 x 0.5 inch / 4.8 x 2.4 x1.3cm
Indicator Light
Constant current indicator(red)
Charging indicator(red)
Charged full (green)
Battery use:
l Make sure of the voltage and current of the battery you need to charge
l Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage
l Potentiometer Adjustment Direction: Clockwise (increase), counterclockwise (decrease)
Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected charging current value
l The charge current of transfer lamp is default 0.1 times of the charging current (constant current value)
l Connected to the battery and try to charging (for previous 5 steps, module input terminal is connected to power source, output load is NOT connected to batteries)
LED Constant Current Driver Use:
l Make sure operating current and Max operating Voltage of the LED you need to drive
l Adjust the constant voltage potentiometer to make sure the output Voltage is up to LED Max operating Voltage
Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer
l to make sure the output current to the expected LED operating current
l Join LED, test (For the above 3 steps, module input terminal is connected to power source, output load is NOT connected to LED)
Package included:
1 x Adjustable Power Supply Module
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