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<p>That is a pretty groovy cube! I am trying to keep this one
linear though. Should have mentioned. My bad.</p>
<p>--tr</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 4/15/2019 6:16 PM, ulfur hansson
wrote:<br>
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cite="mid:CAG9O7x14_+xhm=3bKcuHbV8UKCTFMkvDMOdhoB44rU+roYW3Ww@mail.gmail.com">
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<div dir="ltr">I've been using this CUI DC-DC converter for recent
projects. no additional caps or circuitry needed, plus it has
overcurrent/reverse polarity protection.
<div><br>
</div>
<div><a
href="https://eu.mouser.com/ProductDetail/CUI/PDQ30-Q24-D15-D?qs=ZGJ6LVh7YLAL%2FeHNTwkTGg%3D%3D"
moz-do-not-send="true">https://eu.mouser.com/ProductDetail/CUI/PDQ30-Q24-D15-D?qs=ZGJ6LVh7YLAL%2FeHNTwkTGg%3D%3D</a><br>
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<div>it is super sleek!</div>
<div>-ulfur</div>
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<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">mán., 15. apr. 2019 kl. 21:09
skrifaði Tim Ressel <<a href="mailto:timr@circuitabbey.com"
moz-do-not-send="true">timr@circuitabbey.com</a>>:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Yo,<br>
<br>
I am putting together a power supply for my new 5U case. At
first I just <br>
have 7815 and 7915 regulators. But then it occurred to me:
would it not <br>
be indeed nice to have both rails fold back if one over
currents? to <br>
answer my own question, why yes, yes it would.<br>
<br>
So now to make it work. I thought of using LM317 and LM337s
and do a <br>
cross-over thing. Use an op-amp to servo off of a virtual
ground set up <br>
with a voltage divider. I am not sure if that will do what I
want. I <br>
guess I can try it with the 'L' versions; easier to put into
foldback.<br>
<br>
I also thought of using LM723s but that gets complicated in a
hurry. <br>
More than I want.<br>
<br>
Thoughts?<br>
<br>
--Tim (musing aloud) Ressel<br>
<br>
-- <br>
--Tim Ressel<br>
Circuit Abbey<br>
<a href="mailto:timr@circuitabbey.com" target="_blank"
moz-do-not-send="true">timr@circuitabbey.com</a><br>
<br>
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</blockquote>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
--Tim Ressel
Circuit Abbey
<a class="moz-txt-link-abbreviated" href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a></pre>
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