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The MAX17690 is a peak current mode controller designed specifically for the isolated flyback topology. By operating in discontinuous conduction mode, it does not need an optocoupler for voltage regulation. Instead, this is achieved through primary side sensing of the output voltage.
In this video, you will learn the advantages of using a no-opto flyback controller over optocoupler flybacks for isolated power-supply design.
Time to watch: 3m 49s
Maxim Integrated parts featured: MAX17690, MAX17690EVKIT