PDA041B-1A4B

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LED Drivers are the key components of any lighting system, and PDA041B-1A4B is one such LED Driver. It is designed to be used to provide a constant current driving source for 1-4 LED strings simultaneously. This LED Driver offers a perfect solution for lighting applications with stringent heat-dissipation requirements.

The PDA041B-1A4B LED Driver is built on a hybrid IC that combines the power efficiency of digital control with the superior integration of analog control. It is equipped with high voltage integrated circuit, high efficiency buck MOSFET, advanced voltage loop control and a voltage detection circuit. It also features a built-in EMI filter and soft-start function, to provide safe and reliable performance.

Application wise, the PDA041B-1A4B LED Driver can be used in a variety of lighting applications, including LED illumination lighting, LED medical lighting, LED lighting for decoration, LED sign lighting and LED auxiliary lighting. It is especially suitable for applications with stringent requirements on heat dissipation.

In terms of working principle, the model PDA041B-1A4B adopts a digital control architecture, combining two stage DC/DC conversion, which includes the high-frequency Boost & Buck converters and the linear & switching regulator to maintain constant current output. Input voltage range is 4.5V~42V, with a wide range of power output supported (up to 90W/Channel). It also features a Low Ripple Burst Mode operation, which makes it highly resistant to influence from active and light load of the output side.

The PDA041B-1A4B LED Driver also has excellent dimming performance, with a dimming range of 0~100%. It can also be programmed to adjust the dimming curve to meet application specific requirements. Its dimming range as well as the flexible dimming curve makes it perfect for applications that requires precise control of light intensity.

In conclusion, the PDA041B-1A4B LED Driver is an ideal choice for lighting applications with stringent requirements on heat dissipation. Its excellent dimming performance, wide range of power output and robust design make it an excellent choice for a wide range of LED lighting applications.

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