HLG-185H-36B

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LED Drivers are a special form of constant current power supplies specifically designed for driving LED light sources. As LEDs require a constant current to regulate light intensity and color, LED Drivers ensure that the correct current flows in the LED and keep it safe from damage caused by external power conditions such as mains voltage fluctuations. The HLG-185H-36B is a LED Driver from Mean Well range of LED Drivers that helps in controlling LED lights efficiently.

The HLG-185H-36B has a mean power rating of 185 watts, and a peak power rating of 200 watts. It operates from 90VAC to 305VAC input voltage and maintains a constant 36V DC output voltage. The HLG-185H-36B has an output current of 5.2A max. It also has multiple protections like over voltage protection and short circuit protection, and a wide operating temperature range of -40 degrees to +71 degrees Celsius.

The HLG-185H-36B LED Driver is widely used in the lighting industry as it is a cost-efficient and reliable LED Driver. It is highly suitable for applications such as LED Street Lighting, LED Down Lighting, and Landscape Lighting. The HLG-185H-36B is also well suited for industrial LED lighting and indoor LED lighting, especially when it comes to light fixtures that require stable illumination with high efficiency.

The HLG-185H-36B LED Driver is built with active PFC (power factor correction) function, which gives it an extra edge compared to other LED Drivers. The active PFC helps to minimize the harmonic current distortion and increases power factor to maximize energy efficiency. Moreover, the HLG-185H-36B can be operated at a wide range of temperatures, making it useful in applications that require high efficiency and reliability in tight spaces.

When it comes to the working principle of the HLG-185H-36B LED Driver, the unit converts the high AC input voltage to the desired DC output voltage. The working principle consists of the following steps:

1. A PFC controller improves the power factor to minimize harmonic content of the current distortion.
2. A primary-side controller actively rectifies the input voltage, restricts the current flow, and drives the switches.
3. A feedback winding senses the output voltage by rectifying and averaging over a period of time with a peak detector.
4. A secondary-side controller regulates the output voltage by monitoring the feedback winding.
5. A transformer effectively isolates the input voltage from the output voltage.
6. MOSFETs (metal-oxide semiconductor field-effect transistors) are used to switch the input voltage to the desired DC output voltage.

Overall, the HLG-185H-36B LED Driver is a reliable and efficient LED Driver that is perfect for controlling LED lights in a variety of applications. Its wide range of features, including active PFC, makes it an ideal choice for applications which require superior efficiency and reliability. The HLG-185H-36B can also be easily throttled by simply adjusting the operating temperature range or the input voltage. This makes it suitable for a variety of industrial, commercial, and residential lighting applications.

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