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LM2596 DC-DC 30V 4A LED
Преобразователь напряжения DC-DC 7-35V to 1.35-30V
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)
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