PLDA25-530-277PEA

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LED drivers are electrical components that regulate power fed into an LED. They ensure that correct amount of voltage and current are applied to LED lamps, enabling them to operate appropriately. The PLDA25-530-277PEA is a type of LED driver. This article will discuss the application field and working principle of this device.

Application Fields of PLDA25-530-277PEA

PLDA25-530-277PEA is designed as a universal LED driver, primarily used in LED luminaires and LED lighting modules. Its wide range of operating power, from 5-25W, makes it incredibly versatile. This means it can be used in a variety of applications, from wall washes to spotlights. It has been especially designed to be able to drive up to 1000 high power LEDs.
Moreover, its compact size and low weight make it ideal for use in lightweight, space-constrained designs. It can also be integrated into circuits for motion detectors and dimming, making it an ideal choice for a huge range of products.
In addition, it is designed with safety in mind; its high dielectric strength of ≥6000V at the rated power can easily adapt to different input voltages. It also has a wide operating temperature range from -20℃ to +45℃ for different application requirements.

Working Principle of PLDA25-530-277PEA

The PLDA25-530-277PEA is a two stage converter which utilizes state of art power MOSFETs for main switching. In the first stage, the power from the mains is rectified to provide a DC voltage. In the second stage, an integrated flyback topology is used to convert this DC voltage to the correct voltage for the LED. This provides a constant current for the LED, regardless of mains voltage variation.

Furthermore, this device employs advanced constant current regulation control technique to provide a very precise output current, regardless of input voltage or LED load variation. The LED current is monitored with a current sense voltage, and then compared to the reference signal from the current IR sensing circuit. If the current sense voltage exceeds the reference voltage, it corresponds to an LED current greater than what is desired, and the PWM switching controller will pulse-width-modulate the MOSFETs to limit the LED current to setting level.

For reliable operation, the device is also equipped with several protection features. It has a patented line surge protection to protect against negative surge up to 8000V, as well as LED and MOSFET short-circuit protection. In addition, it has a built-in thermal protection to prevent overheating. This makes it a highly reliable and safe LED driver.

Conclusion

In conclusion, the PLDA25-530-277PEA is an advanced and versatile LED driver, designed for a wide range of applications. Its two stage converter, with advanced PWM and current control, enables precise output current regulation. In addition, it comes with several safety features to ensure reliable and safe operation. It is thus an ideal choice for use in large-scale LED lighting systems.

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