Design Tips

May 2024
The Elegance of a Flyback Controller Without a Dedicated Isolated Feedback Path

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Figure 1: Conventional flyback controller with feedback path based on an optocoupler

­Figure 1 shows the architecture of a conventional isolated flyback converter. These converters can be found frequently in power classes of up to about 60 W. A supply voltage is converted to an output voltage with the help of a primary-side switch and a transformer with adjusted turns ratio. Information about th
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