PDA040B-48VB

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LED drivers are used to power light emitting diodes (LEDs) and are usually designed to provide a constant current to a LED. The PDA040B-48VB LED driver is an advanced driver designed for energy-efficient lighting applications. It features an adjustable current source and an ultra- low power consumption, making it an ideal choice for a wide range of applications.

The PDA040B-48VB is a buck type LED driver that is capable of driving up to 48 W of LED current. It is based on a step-down switching regulator topology and is designed to operate on a single-phase AC power input of 120 VAC or 230 VAC. It also has a wide output voltage range, making it suitable for a variety of LED lighting applications. The PDA040B-48VB can drive LED chains of up to 50 V, allowing for reliable control of LED intensity.

The PDA040B-48VB features a unique current source control circuit, which allows for precise control of the LED current. The current source control circuit operates by sensing the output voltage across a sense resistor and then adjusting the operating frequency of the driver in order to maintain the desired current. This ensures that the LED current is accurate and stable, and enables the driver to be used in applications that require precise current control.

The PDA040B-48VB has an internal over-temperature protection circuit that prevents damage to the driver and connected LEDs due to excessive temperatures. The driver also features an adjustable current limit that prevents over-current or over-voltage problems that may occur during normal operation. With these safety features, the PDA040B-48VB provides peace of mind and reliable operation in any application.

In addition to the current source and current limit features, the PDA040B-48VB has an adjustable soft-start function, which helps eliminate in-rush charging that can occur during power-up. The soft-start feature gradually increases the output voltage and current of the driver so that it can smoothly transition into normal operation. This prevents sudden surges of current or voltage that can damage LEDs or cause flickering.

Overall, the PDA040B-48VB is a reliable and energy-efficient LED driver that is suitable for a wide variety of LED lighting applications. It features an adjustable current source, current limit, and soft-start functions, offering a comprehensive range of features for even the most demanding applications.

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