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Way to select and buy a power electronics Transformer or inductor (Flyback,etc.)

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Pato2010

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Hello Guys

There is many application notes in the internet just like PI Design Examples for LED Drivers . it contains a custom design for the selected transformer. So if i need to do this design with my self how to get the same transformer or similar with an easy way ????

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Easy if they provide the part number of the transformer, otherwise you can search for similar parameters from manufactures data base. For example: A fly back transformer selection criteria are given below.
• Primary inductance
• Leakage inductance
• Turns ratio
• Current rating
• Number of secondary
• Frequency of operation
• Power ratings
• Maximum Duty cycle
• Volt time product
• DC resistance
• Winding capacitance
• Temperature rise
• Mechanical dimension
 
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