Electronics > Beginners
Isolated DC-DC Convertors / Why more than one +Vin/-Vin?
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john21443:
I have noticed that with isolated DC DC converters that there tends to be duplicated input pins.   For example, 2 pins labeled as +Vin.  Is this just a convention?   Because higher amperage is required on the input side only?   Some other reason?

Here is an example:

     http://www.meanwellusa.com/productPdf.aspx?i=858#1

Page 4 contains the pin out.

Thanks,

John
Eka:

--- Quote from: john21443 on April 22, 2018, 04:16:01 pm ---Because higher amperage is required on the input side only?   Some other reason?

--- End quote ---
All depends on the maker, and the format of the converter. I've usually only seen multiple pins on the outputs. Usually to high of current for a single pin is the reason for multiple pins. Some standard formats have multiple input and output pins specified.

For the part you listed,

--- Quote ---DIP24 package with industry standard pinout

--- End quote ---
sums it up.
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