LMZ8-RW50

LED lighting is becoming increasingly popular for both commercial and residential applications. LED lights are more energy-efficient and typically last longer than traditional light sources. The LMZ8-RW50 is a white LED driver module, designed to achieve high efficiency and longer life during LED lighting applications. This article will discuss the application field and working principle of the LMZ8-RW50 in LED lighting.

Application Field

The LMZ8-RW50 is a professional-level white LED module that can be used in a variety of applications. The device is suitable for up to 20W of continuous or 30W of non-continuous power operation, and its low output voltage, noise immunity, and EMI features make it suitable for use in LED street lights, LED downlights, LED spotlights, LED panel lights, LED floodlights, LED outdoor lights, and LED Hollywood-style wall lights, among many other LED lighting applications.

Working Principle

The LMZ8-RW50 is based on a constant current driver control scheme with diode emulation technology. The module adopts a constant output voltage (350V DC) and a constant current control, providing advanced protection functions and increased reliability. The device works by controlling the instantaneous peak voltage on the primary side of the transformer. When the device is powered on, the voltage is at its lowest. As the applied voltage increases, the output current proportionally increases. This results in a constant output power and high drive efficiency over a wide input voltage range.

The LMZ8-RW50 module also features active PFC (Power Factor Correction). This prevents excessive inrush current and allows the device to have a high-power factor of 0.9 or higher. The power factor can be increased to 0.98 or higher when used with an output power factor calibration (OPFC) circuit. This can reduce the power dissipation of power supply systems and extend LED life.

The LMZ8-RW50 module also provides built-in over temperature and over current protection. Over temperature protection limits the output power in the event of high temperatures, while over current protection shuts off the output current in the event of an over current condition. These two safety features help to protect the device and the LEDs from damage and ensure safe and reliable operation.

In summary, the LMZ8-RW50 is an advanced white LED driver module designed for use in a variety of LED lighting applications. The device is capable of driving up to 20W of continuous or 30W of non-continuous power, and can be used in LED street lights, LED downlights, LED spotlights, LED panel lights, LED floodlights, LED outdoor lights, and LED Hollywood-style wall lights, among many other LED lighting applications. The device features active PFC, over temperature and over current protection, and can be used with an output power factor calibration (OPFC) circuit to increase power factor to 0.98 or higher.

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