LNK563DG-TL

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The LNK563DG-TL is an integrated offline switcher and AC-DC converter featuring an adjustable output power supply. The switcher integrates AFE (Accelerated Frequency Bypass) and the AC-DC converter integrates a universal input rectifier and a continuous conduction mode (CCM) PFC (Power Factor Correction) post-regulator. With the AFE, the LNK563DG-TL can reduce power line noise significantly and achieved a high Power Factor up to 0.99 today for all universal input range.

The LNK563DG-TL offers an accurately regulated output voltage and provides a few additional protection functions that enhance the system performance. Its low power consumption design provides very high efficiency during light load operation and provides ECO mode control. As a result, the LNK563DG-TL is capable of powering high-end applications at the amazingly small size of the package.

The LNK563DG-TL features a single-stage power conversion design, which is suitable for offline and AC-DC operations. Its improved switching frequency and low power consumption design can save board space and reduce system cost. The IC is available in a low profile package and can be used in multiple applications with different output power levels ranging from 50W to 70W.

The LNK563DG-TL provides a few additional protective functions, such as short circuit, open circuit, over voltage, over current and output current limiting protections. It also offers a soft start circuit to reduce inrush current for fuse saving and correct current limiting for the load. The LNK563DG-TL is a popular choice for low harmonics, high efficiency and high PF applications.

The LNK563DG-TL is ideal for powering a wide range of residential, industrial and commercial applications such as LED lighting for indoor/outdoor lighting, building lighting, machine control systems, audio systems, computer systems, printers and home appliances. With the increasing demand for energy efficiency, the LNK563DG-TL is well suited for the cost-effective conversion of AC power to DC power while meeting energy-saving and safety standards.

In terms of its working principle, the LNK563DG-TL utilizes a two-stage architecture to achieve high efficiency and small size. In the primary stage, it contains a universal input rectifier, which can accept AC power input between 85Vrms and 264Vrms without adjustment. In the secondary stage, a continuous conduction mode (CCM) current-mode PFC post-regulator is used to generate a regulated output voltage. It also integrates AFE, which can reduce power line noises and provides a high power factor up to 0.99. The LNK563DG-TL is a full featured offline switcher, which offers a simply but reliable design.

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