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Visitor II
November 1, 2017
Question

Viper06 PSR Wide Input AC to 12 V 0.2A DC

  • November 1, 2017
  • 1 reply
  • 668 views
Posted on November 01, 2017 at 09:29

How do I change the regulation mode from Secondary to Primary in eDesignSuite?

I want to design a low cost 85-265V AC to 12V 0.2A DC isolated flyback converter using the Viper06 with PSR. 

Tight Voltage Regulation and Fast Transient Response is not required, so we want to save cost of optocoupler. 

Kind Regards

#viper #viper06 #psr-cv
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    1 reply

    ST Employee
    November 2, 2017
    Posted on November 02, 2017 at 11:53

    Hello,

    First of all you need to change the schematic, following the sample circuit in VIPer06 datasheet, figure 20.

    Then the compensation net and the transformer, too, must be designed in a slightly different way, we are working to add this feature in eDesign as soon as possible.

    Best regards.