LNK562PN

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The LNK562PN is an offline switcher IC specifically designed for use in an isolated flyback switch mode power supply (SMPS). The device is able to operate from an input voltage of between 4.5 – 30VDC and can provide an output power of up to 20W. The LNK562PN\'s internal settings and protection features allow it to operate in a variety of applications, providing the user with a high degree of flexibility when configuring their power supply.

The LNK562PN features isolated feedback, which is necessary for the SMPS application, and an integrated light load controller reducing no-load power consumption.

The main components of the LNK562PN include an internal oscillator, an under-voltage lockout circuit, current limit, and thermal shutdown circuitry. The oscillator runs at a frequency of up to 500kHz and is responsible for generating the necessary high frequency waveform for the driver stage. The under-voltage lockout circuit is used to protect the IC from input voltage that is too low. This prevents the IC from being damaged due to low line conditions. The current limit circuit is used to limit the amount of current that can flow through the IC, preventing it from overheating. Finally, the thermal shutdown circuit is used to shut down the IC in the event that it becomes too hot. This prevents permanent damage to the IC which could occur if it became too hot.

The LNK562PN is especially well suited for low power offline flyback switched mode power supplies. These are required in a variety of offline applications, such as in charging systems, external power adapters, and power supplies for small and medium-sized applications. The LNK562PN\'s isolated feedback technology combines high efficiency, low cost, and small size, making it an ideal choice for these types of applications.

The LNK562PN has several key features that make it a great choice for the SMPS application. The first is its ability to handle a wide range of input voltages and currents. This allows the user to configure the power supply for specific requirements such as output voltage and power. The second is its integrated light load controller which helps reduce no-load power consumption. Finally, its integrated protection features help protect the IC in case of excessive input voltage and current as well as thermal overloads.

In summary, the LNK562PN is an offline switcher IC specifically designed for use in an isolated flyback switched mode power supply. Its features include isolated feedback, an integrated light load controller, wide input voltage and current ranges, and an integrated protection system. Its features make it an ideal choice for a variety of offline applications, such as charging systems and small and medium sized power supplies.

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