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<div class="moz-cite-prefix">The spec you are looking on a datasheet
for a linear regulator is the "Dropout Voltage". Dropout voltage
+ regulated voltage is your minimum input voltage.<br>
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<div class="moz-cite-prefix">On 11/15/20 10:34 PM, The MacDougals
via TriEmbed wrote:<br>
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<p class="MsoNormal">Thanks for the responses. Keep them
coming.<o:p></o:p></p>
<p class="MsoNormal">My question is more on “how do I tell
from a datasheet what the Vin min spec is.”<o:p></o:p></p>
<p class="MsoNormal">DC/DC buck converters typically
advertise a reasonable range of input voltages.<o:p></o:p></p>
<p class="MsoNormal">My reading of the datasheets does not.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">---> Paul<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On Sun, Nov 15, 2020 at 7:38 PM The
MacDougals via TriEmbed <<a
href="mailto:triembed@triembed.org"
moz-do-not-send="true">triembed@triembed.org</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">How
do I find an LDO that operates on 8 – 8.8 v?<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I
looked at a couple of datasheets and found linear
regulators that take 9v (max) input.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I
did not see a (min) spec for input v.<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">How
can I tell if it works at 8?<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">For
example:<o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
href="https://www.njr.com/electronic_device/PDF/NJM2888_E.pdf"
target="_blank" moz-do-not-send="true">https://www.njr.com/electronic_device/PDF/NJM2888_E.pdf</a><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">--->
Paul<o:p></o:p></p>
<br>
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<pre class="moz-signature" cols="80">--
Scott G. Hall
Raleigh, NC, USA
<a class="moz-txt-link-abbreviated" href="mailto:ScottGHall1@GMail.Com">ScottGHall1@GMail.Com</a>
<i>Although kindness is rarely a job, no matter what you do it's always an option.</i>
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