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  • Replies 45 replies
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  • expert
  • andy_waller
  • maxim
Related

Have a technical question for Maxim? Ask an Expert!

nlarson
nlarson over 15 years ago

If you need help on anything technical relating to Maxim products, please post your question here!

 

Don't forget to sign up for email notifications under the "Actions" box so you'll see when Andy answers your question.

 

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Andy Waller

Andy is an Applications Engineer with Maxim Integrated Products.  He specializes in technical support for Maxim's product range for the entire life cycle of a product - from design to field..

 

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  • Former Member
    Former Member over 15 years ago

    Dear Andy,

    I want to know how to calculate the series inductance while designing an 14W Electronic Ballast.Please guide me on this.

    Earlies I got an equation from the application note AN02110 OF Philips by H.Simons.The equation is,

                                                              L = Rl. T

                                                          where L= Series Inductance to be calculated

                                                                    Rl = Lamp resistance

                                                                    t    =T/4a  where T= L / Rl

                                                                   T= 1/f     where f=frequency   and a=T/4t

     

    wheather it is correct or not.Please Help.

     

    With Regards

    Biswajit Acharjee

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  • Former Member
    Former Member over 15 years ago

    Dear Andy,

    I want to know how to calculate the series inductance while designing an 14W Electronic Ballast.Please guide me on this.

    Earlies I got an equation from the application note AN02110 OF Philips by H.Simons.The equation is,

                                                              L = Rl. T

                                                          where L= Series Inductance to be calculated

                                                                    Rl = Lamp resistance

                                                                    t    =T/4a  where T= L / Rl

                                                                   T= 1/f     where f=frequency   and a=T/4t

     

    wheather it is correct or not.Please Help.

     

    With Regards

    Biswajit Acharjee

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    Hi Biswajit,

     

    Again I appologise for not being an expert in Ballasts (Maxim do not produce them) but have you looked at the more detialed equations for inductor selection in this application note? http://www.st.com/stonline/products/literature/an/14021.pdf

     

    Thanks

     

    Andy

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