You could just use an L7805. There is a TO192 package for this that can supply, I think, up to 100ma. If that's not enough current then use the TO220 package it can handle up to 1.5A. ~Carl
On Sun, Nov 15, 2020 at 8:08 PM The MacDougals via TriEmbed < [email protected]> wrote: > Can’t find ams1117-3.3 TI’s L1117-3.3 is a direct replacement. > > > > The data sheet shows 15v (max) for Vin and nothing for min. What am I > missing? > > https://www.ti.com/lit/ds/symlink/lm1117.pdf > <https://www.ti.com/lit/ds/symlink/lm1117.pdf?HQS=TI-null-null-digikeymode-df-pf-null-wwe&ts=1605410881526> > > > > ---> Paul > > > > > > *From:* Josh Wyatt <[email protected]> > *Sent:* Sunday, November 15, 2020 7:47 PM > *To:* [email protected] > *Cc:* TriEmbed <[email protected]> > *Subject:* Re: [TriEmbed] Powering ESP32 from an 8v golf cart battery > > > > Why not use something like AMS1117-3.3? Minimum voltage on your 8 volt > battery is going to be something like 6VDC. > > > > -j > > > > On Sun, Nov 15, 2020 at 7:38 PM The MacDougals via TriEmbed < > [email protected]> wrote: > > How do I find an LDO that operates on 8 – 8.8 v? > > I looked at a couple of datasheets and found linear regulators that take > 9v (max) input. > > I did not see a (min) spec for input v. > > > > How can I tell if it works at 8? > > > > For example: > > https://www.njr.com/electronic_device/PDF/NJM2888_E.pdf > > > > > > ---> Paul > > > > _______________________________________________ > Triangle, NC Embedded Computing mailing list > > To post message: [email protected] > List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org > TriEmbed web site: http://TriEmbed.org > To unsubscribe, click link and send a blank message: mailto: > [email protected]?subject=unsubscribe > > _______________________________________________ > Triangle, NC Embedded Computing mailing list > > To post message: [email protected] > List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org > TriEmbed web site: http://TriEmbed.org > To unsubscribe, click link and send a blank message: mailto: > [email protected]?subject=unsubscribe > > -- ------------------------------------------------------------------------------- Carl J. Nobile (Software Engineer) [email protected] -------------------------------------------------------------------------------
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