LNK563GN-TL

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The LNK563GN-TL is a combination of a configurable current-mode interleaved buck regulator and a general purpose PWM controller. It is a type of advanced pulse width modulation (PWM) integrated circuit (IC) designed for use in offline power supplies, DC to DC converters, and AC-DC converters.

The LNK563GN-TL is a part of Power Integrations’ LinkSwitch-TN2 family of ICs, which includes several efficient, high-current switcher ICs. These ICs provide low EMIs, fast transient responses, integrated control and protection features, and a wide range of current sense senses and power levels for consumer, industrial, and automotive applications.

The LNK563GN-TL\'s primary application field is as an offline switcher that provides a means of generating DC power from an AC input in an affordable, efficient, and reliable manner. This can be useful in situations where an offline power source is needed in an isolated location, such as a remote cabin or RV, or where an AC/DC power source is not easily accessible.

The LNK563GN-TL device operates in two basic modes, each of which can achieve different goals of efficiency, current output, and reliability. The first is Pulse Frequency Modulation mode, which uses a fixed frequency through the switching cycle and is well suited for applications that require constant load current. The second mode is Peak Current Mode Control (PCMC) which is used when larger load currents need to be achieved by using high-voltage levels. PCMC mode is ideal for applications that require varying load currents, such as in power supplies or high-efficiency lighting systems.

With an integrated startup circuit, the LNK563GN-TL device is able to automatically detect the AC input power and start up from a cold start condition. The startup circuit includes an Opto-coupler (or MOSFET Feedback), which is used as a feedback device to closely monitor the output voltage of the converter during the startup process. Once the startup process is complete, then the converter will enter into normal operating mode, where the internal PWM controller and power switch driver will operate.

The LNK563GN-TL is also equipped with a variety of protection and monitoring features. These include undervoltage lockout, overcurrent protection, overtemperature protection, and a monitor output to detect voltage and current levels. These features help protect the device from overloading and thermal damage, while allowing the device to provide reliable performance and output.

The LNK563GN-TL can be conveniently integrated into offline power products with Power Integrations’ LinkSwitch-TN2 family of ICs. The regulation and protection features of the device help ensure reliable operation and output of the device, while the advanced current mode control helps ensure optimum efficiency and performance. This results in an ultra-low power solution that can be used in a wide range of AC/DC applications.

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