The power classification for LED strip light
The LED strip light should be equipped with different power sources according to the different models. How much do you know about the power supply?
Do you know the type of power and the different meanings of the LED strip light?
Today, we will talk about the classification of LED strip light.
LED strip light with power according to different standard has different classification methods, this article mainly explain the are classified according to the driving mode of different, can send for voltage stability and constant current two, article will explain in detail.
There are two main categories of drivers
1.1 constant voltage type
A brightness will be affected by the voltage change of the rectifier;
B to drive the LED with a stable driving circuit, each string needs to be added with the appropriate resistance to make each string display brightness average;
C stabilized circuit not afraid of load opening, but strictly prohibited load short circuit;
D when the parameters in the stable circuit are determined, the output voltage is fixed and the output current varies with the load.
1.2 the constant current type
A should note that the maximum bearing current and voltage value are used, which limits the number of leds used;
B constant current drive circuit driving led is ideal, but relatively high price;
C constant current circuit is not afraid of load short circuit, but it is forbidden to load completely.
D constant current drive circuit of the output current is constant, and the output dc voltage is different with the size of the load resistance within a certain range, load resistance is small, the output voltage is low, the greater the load resistance, the higher the output voltage.
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