LNE-36V120WAAA

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LED Drivers

LED drivers are power supplies for LEDs which allow them to be operated at a variety of different voltage and power levels. Typically, these drivers provide either constant current or constant voltage power to the LEDs, allowing them to be used in a wide variety of applications. They are designed to match the electrical characteristics of the LEDs and to provide even illumination while minimizing power consumption and heat generation.

The LNE-36V120WAAA is a 120 watt LED driver which is designed to provide constant current output for use in a variety of applications. This driver provides a wide range of output current options, from 0.15mA – 1.0A, making it suitable for LED applications requiring from 1 to 1000 LEDs. Additionally, its wide input voltage range, from 36V – 75V, makes it suitable for both AC and DC power sources.

Application Field

The LNE-36V120WAAA is an ideal LED driver for large-scale applications. Its low minimum load current makes it suitable for low-power applications, such as LED spotlights, LED backlighting for LCD and LED displays, as well as LED indicators and decorative lighting. It is also suitable for interior and exterior lighting for retail stores, hotels, restaurants, and other public spaces. Additionally, its wide input voltage range makes it suitable for a variety of AC and DC power sources, from solar panels to battery backups.

Working Principle

The LNE-36V120WAAA LED driver uses current-mode control to regulate the output current. This type of control utilizes a small auxiliary winding on the transformer, which is compared to a fixed reference voltage and used to control the output current. When the output current exceeds the set point, the voltage on the auxiliary winding will become too high and will shut off the main power switch, thus preventing excessive current from flowing through the LEDs. Conversely, when the output current drops below the set point, the voltage on the auxiliary winding will become too low and will turn on the main power switch, thus allowing more current to flow into the LEDs.

The advantages of constant current control include improved efficiency, since only the required current is used to power the LEDs. Additionally, the LED driver can cope with fluctuations in the power source and the changes in operating and ambient temperatures that it will experience. The output current of the LNE-36V120WAAA LED driver is also adjustable, allowing the user to fine-tune the brightness of the LEDs to their desired level.

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