LNK6667K

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The LNK6667K is an integrated power conversion controller and synchronous rectifier driver. It is an innovative solution to power factor circuit, which features high power conversion efficiency, providing a high quality end-result for many consumer and professional applications. This device can be used in wide diverse power supply types for both AC (alternating current) and DC (direct current) applications.

Specifically designed for AC/DC offline power supplies, the LNK6667K offers a complete set of protection, voltage feedback, and soft-start capabilities, which make it easier to build and maintain power supplies with high power efficiency and extended operational life. Also, as it has extremely fast response times and built-in automatic power factor correction, it is ideally suited for high performance applications.

The LNK6667K is ideal for applications in consumer appliances and commercial equipment requiring power factor correction or complete AC/DC power conversion solution. It is also suitable for use in various industrial, communication, lighting, and computing applications.

LNK6667K Working Principle

The LNK6667K has a unique design and features that enable it to integrate a complete power conversion and protection circuit in a small surface-mount package. It is built around two separate internal regulators, IC1 and IC2, which operate independently and switch on and off in the event of an over-voltage, over-current, or short-circuit condition.

The IC1 regulator is responsible for regulating the output voltage, while IC2 regulates the output current. Additionally, the device can also detect an over-power condition and activate an auto-recovery mechanism to reset the device and avoid any damage to the power supply.

The two internal regulators also provide a range of protection and feedback on the power situation that allows the device to monitor power, reduce noise, and work more efficiently. Additionally, the built-in soft-start feature allows the device to ramp up the output slowly, further increasing efficiency and extending its service life.

The LNK6667K has a forward-mode power conversion design, meaning that it converts AC input voltage to DC output voltage in a single-stage process by synchronizing the input voltage waveform with the output voltage waveform. This ensures that the highest power efficiency is maintained, enabling a compact, low-cost power conversion solution for many applications.

In addition, this integrated device offers improved performance, efficiency, and scalability compared to discrete controllers, making it an ideal solution for many surface-mount applications. Its advanced protection features combined with low power dissipation make it also suitable for open-dl, HVAC and industrial applications.

Overall, the LNK6667K is an integrated power conversion controller and synchronous rectifier driver with a forward-mode power conversion design. It is an effective solution for various AC/DC offline power supplies with superior power efficiency, protection, and scalability. It is suitable applications requiring power factor correction or complete AC/DC power conversion solutions, including consumer and professional applications, HVAC equipment, and industrial applications.

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