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Designing Very Wide Input Voltage Range Off-Line Flyback Converter with Pexprt

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adnan012

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hi

I want to design Wide input range flyback converter given in the attached application note.
Is it possible to verify the design given in the application note with Pexprt?

What is the term primary winding ripple current in Pexprt? Is it Peak current wich is given in the document as

Nominal Peak Current:
I
pk
= 5.5 · Pout/Vin(min)
= 5.5(17 W)/127 V = 0.74 Amps

The core is Magnetics Inc 43007−EC which is available in Pexprt.
 

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  • Very Wide Input Voltage Range, Off-Line Flyback Switching Power Supply.PDF
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