LM2575 Feedback Capacitance

Other Parts Discussed in Thread: LM2575

I have a customer who is using the National LM2575 and would like to know what the maximum capacitance he can have on the feedback pin? Do we have any documentaiton for this, or does any one have any suggestions?

over 14 years ago

0 Allan Fisher over 14 years ago

TI__Intellectual 1160 points

Patrick,

I don't know of any specific documentation for this. I assume you are referring to the adjustable part, correct?

Any feedback cap should only be in place to reduce noise, something usually in the hundreds of pico farad range.

Regards,

Allan

0 PC over 14 years ago in reply to Allan Fisher

TI__Expert 7250 points

Thanks Allen

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LM2575 Feedback Capacitance