Triac dimmable led driver has become wide range of applications, it is clear that the LED lights which can effectively dimming will have a great advantage. Because there are many on the market based Triac dimmable switch, low-cost. Ensuring the LED driver is compatible with all categories is unrealistic, especially as many dimmers using only the basic design, the performance is very limited. Linear 0-10V dimming or DALI may also meet the requirements, but they may all be limited to high-end industrial LED driver.

here are some parameter:

LED enclosure power supply output current can not contain any large number of frequencies is linear frequency (50Hz or 60Hz) ripple twice. In such as office lighting, public buildings and street light and other off-line applications, more and more applications in LED lighting, and will continue this trend in the coming years. In these applications, high power LED will replace linear fluorescent or high power CFL, HID lamps and incandescent lamps. These applications require a LED driver, the typical power range from 25W to 150W.

In many cases, LED load by a high-brightness white LED arrays, commonly used forms of chip package. DC current for driving these loads is usually at least one ampere. There are also actual AC current driving the LED system, but is generally believed that the system can provide a more desirable DC driving condition is an LED.

In the LED lighting device galvanic isolation is required to prevent the risk of electrical shock can occur in areas exposed to this danger can happen in most cases, unless an insulated mechanical systems. This is due to the fluorescent lighting equipment without going through the insulation to achieve different security products, LED chip and metal heat sink required. In order to achieve good thermal conductivity, is required between the LED chip and the heat sink thermal barrier is formed, so there is no need by adding an insulating material to meet the insulation requirements. Thus, the insulation is the best choice in the LED drive internal form.

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Related Reading: constant voltage LED driver,dimmable LED driver,LED strip power supply