sursa regulator DC-DC LM2596 Step-down adjustabila LED 3-35v 3A 3 reglaje
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Produs:Nou, Fără garanție
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Numar articol:204491435
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Disponibilitate:Indisponibil
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Preț:21,00 Lei
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Anuntul a expirat la:17.02.2020, 14:21
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Specificatii
Specifications:
The Features:
1. The Fixed turn the lamp current to 0.1 times the value of the
constant current (at the when 2 identify been the 'is
full);
2. Increased input reverse polarity for protection,
diode;
3. Using dedicated reference for IC, and high - precision from the
resistor, so that the constant current is more stable, (20 degrees
to 100 degrees, the constant current 1 a, when the temperature
drift of less than 1%).
Particularly suitable for the LED driver
* High - power LED constant current drive
* Lithium 'charger (o ferroelectric)
* 4 v, 6 v, 12 v, 14 v, 24 v 'charger
* Nickel cadmium, Nickel metal hydride 'pack charger
For * Solar panels and wind turbines
'the use:
* Make sure of the voltage and current of the 'you need to
charge
* Adjust the constant voltage potentiometer to make the output
voltage same to the charge voltage
* Potentiometer Adjustment Direction: Clockwise (happens),
counterclockwise (decrease)
* Use the multimeter in 10 a current scale to measure the output
short - circuit current, and adjust the current potentiometer to
make sure the output current to the expected charging current
value
* The charge current of transfer lamp is The default 0.1 times of
The charging current (constant current value)
* Connected to the 'and try to charging (for previous five steps,
the module input terminal is Connected to the power source, the
output load is NOT Connected to batteries).
LED Constant Current Driver Use:
* Make sure operating current and Max operating Voltage of the LED
you need to drive.
* Adjust the constant voltage potentiometer to make sure the output
voltage is up to the LED Max operating voltage.
* Use the multimeter in 10 a current scale to measure the output
short - circuit current, and adjust the current potentiometer. To
make sure the output current to the expected LED operating
current.
* Join the LED test (For the above three steps, the module input
terminal is connected to the power source, the output load is NOT
connected to the LED).
The scope of application:
Charging for lithium ion batteries: the when the lithium ion
'voltage is low. If use the constant voltage Charging directly. Due
to pressure is too large, leading to the' damage. So from the
beginning to use the constant current Charging. When Charging the
to a certain, automatic switch back to the constant voltage
Charging.
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