The maximum output power of LNK605DG is dependent on the input voltage, output voltage, and the transformer turns ratio. However, as a general guideline, it can deliver up to 5W of output power.
To ensure the stability of the output voltage, it is recommended to use a feedback network consisting of RFB1, RFB2, and CF. The values of these components can be calculated using the equations provided in the datasheet.
The BYPASS pin is used to connect a bypass capacitor that helps to filter the internal voltage reference and improve the power supply rejection ratio (PSRR) of the device.
LNK605DG is designed for isolated applications, such as offline power supplies, and is not suitable for non-isolated applications. It has a built-in transformer driver and is designed to work with a transformer to provide electrical isolation.
The transformer selection depends on the input voltage, output voltage, and power rating. The datasheet provides guidelines for transformer design and selection. Additionally, Power Integrations provides a transformer design tool to help with the selection process.
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