PDA025W-1A4B

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LED drivers are designed to drive light emitting diodes (LEDs) for lighting applications and other applications which require artificial lighting. Drivers can help various devices to provide high efficiencies, suitable dimming, and to support low power consumption. LED drivers provide a constant current, rather than a constant voltage, to the LED which ensures accurate illumination level is achieved while at the same time avoiding expensive damage to the LED caused by overloaded current.

PDA025W-1A4B Application Field and Working Principle

The PDA025W-1A4B is an LED driver which is designed for high power LED lighting applications. It offers more than 25 Watts of constant power to the LED and can be used in various LED lighting devices such as household lighting fixtures, office lighting fixtures, street lamps, and track lighting fixtures.

The PDA025W-1A4B has a patented single-chip architecture with a combination of Pulse Width Modulation (PWM) and Power Factor Correction (PFC) technology. This driver is designed with integrated protections such as over temperature protection, thermal shutdown, open loop and short-circuit protection. It can also reduce the inrush current and enhance EMI performance.

The core of the PDA025W-1A4B is an active PFC converter with integrated single-chip power factor correction and pulse width modulation (PWM) control. This allows it to work in a wide input voltage range (85-277VAC) and ensures high power factor and efficiency. The PWM signal is used to adjust the output of the LED and therefore changes the required brightness. The internal soft start and overload protection provides a safe and reliable operation.

The PDA025W-1A4B driver has an adjustable output voltage so that it can be used for various types of LED lighting applications. It supports a wide range of dimming functions such as 0-10V, 1-10V, Triac dimming, and DALI dimming. Furthermore, it is compatible with various intelligence systems, providing a cost-effective solution for intelligent lighting control.

The PDA025W-1A4B is a reliable LED driver with a wide input voltage range, high power-factor, and adjustable output voltage suitable for LED applications. It has built-in protections to protect the LEDs from over-current, short-circuits, and surges. Its integrated PWM and PFC technology offers excellent performance in terms of energy efficiency and precise dimming capability.

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