LNK304PNAU

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The LNK304PNAU is a single-stage offline switcher IC providing high- efficiency, superior performance, zero-voltage/random current- mode power conversion, and a high-performance power factor correction (PFC) AC-DC buck controller. With high voltage and current outputs, the device is capable of driving up to 300mA of load current, and its 1.65 V to 20 V input voltage range supports various AC input voltage levels. This device provides superior performance, fast switching, and low noise, and is capable of providing a very small form factor, making it ideal for off-line AC-DC power conversion applications.

The LNK304PNAU AC/DC converter is specially designed for consumers applications such as lighting, small appliances, and fans, providing superior performance and reliable operation. It is also capable of providing up to 92% efficiency at light, and up to 97% peak efficiency at the full output power, resulting in lower components count and overall cost of the design. With its high switching frequency, heat dissipation is minimized, making it highly suitable for space-constrained applications.

The integrated PFC circuit in the LNK304PNAU demodulates the input voltage, increasing power factor and allowing efficient power transfer throughout the power line. This device also has a built-in current-mode control over the switching frequency, allowing improved dynamic response with minimum external components. Its low start-up and standby current of 16 mA and 1 mA respectively, further help reduce system power consumption and cost.

The LNK304PNAU offers different protection features such as input/output UVLO, line under/over voltage protection, cycle-by-cycle current-limit, short-circuit protection and open loop protection. This device is offered in a small SOP-8 package and is compliant with IEC/ESD requirements. Furthermore, this device is fully tested and certified.

In addition to the power factor correction (PFC) control and high efficiency ratings, the powerful features of the LNK304PNAU allow it to be used for applications such as power supplies, consumer electronics, industrial lighting and more. Furthermore, the integrated current-mode control ensures fast and stable dynamic response, reducing design complexity. A wide range of switching frequencies is available, giving the designer the flexibility to reduce the size and cost of key components such as EMI filter, buck transformer and power inductors.

The LNK304PNAU AC-DC buck controller is a highly efficient and reliable power conversion solution that can be used in a variety of applications. With its high output power, high efficiency, and wide input voltage range, this device is capable of providing a cost-effective solution for a variety of AC-DC power conversion applications.

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