Negative High voltage buck converter

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Reply to "Negative High voltage buck converter"

mscohen
on 09/24/2008 at 12:00 AM

Category(s):	power.national.com
Subject:	Negative High voltage buck converter
Message:
I am looking for a solution that allows me to use an existing +/-70V@7A supply to provide +/-37V. The LM5116HV seems a straightforward solution for the positive side. Can anyone offer a configuration for the negative side. I have seen topologies that are essentially just polarity reversals, but am unsure of the availability of appropriate devices to replace the n-channel mosfets. Thanks for any ideas.

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