X-Authentication-Warning:	delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient:	geda-user AT delorie DOT com
X-Original-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=gmail.com; s=20161025;
	h=mime-version:references:in-reply-to:from:date:message-id:subject:to;
	bh=Vck9R2YCt9hXnuGcon4etV5MNSlkXmhdfwcAcmWsN0I=;
	b=XIMhrilBajHH41Xocz4C5kdra0QiFJ1iGAV+2gtRHMOm+byWmqMWqpp96zyAHDmmGu
	wgJdZyUl49Ph115aSbTczbiXvwojh+nfuHU7pIy28ElUNuSJoiOjTunr8poHuXIG3gOh
	KOhgK5aDn5Ozlp/3LRs+iSCymWkwgjM+UzpUEBg4Zb6EjM8QC/DnSDbaOMMK/G0+tv+J
	BE3y6DjyMa7wETdB1c8xMfczkxtFcZsw6uTQE2LejWA/sAEAT9B4OF4aE9t5cX8YTjDa
	q8RJXq3WkMbu9r8Ba472BeISzpry+HpnlueY+fa/vIwO806VPzWpQHaUSrUq2SL3OrU8
	SXoA==
X-Google-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=1e100.net; s=20161025;
	h=x-gm-message-state:mime-version:references:in-reply-to:from:date
	:message-id:subject:to;
	bh=Vck9R2YCt9hXnuGcon4etV5MNSlkXmhdfwcAcmWsN0I=;
	b=lpkGLAv9ZTuwM0zPD4jO0G+GcSFUgN/rsu9jsYGJRY4Yb+g5kqno+tNlgoxpyAAF9Q
	w4pFEyNpYHRJlL0wKu2XC+WPfmQTBG2tMXhRbhS+tS7s8hqPQrQWzUlP0SUF99TkIi17
	yUAy7Eib72rVuY30woI31tQy//fzA9H7qcwaoeUbGqWBmQMeA/KXOEZA12e9osytvIYY
	TNQ7p7HJektANrH7N41GiJnMwFye3Sk9kHPcDaL6NxGN0A4/YUTUsAjiUvmnGchWT9zj
	nMNRshaOpDvthutQHYwq1ojL2Q2yzWzKmHZPkvgyukarH3FeKGSMnBS5zJ6PBKj39z6x
	eCCA==
X-Gm-Message-State:	APjAAAXkuY1NzlWbX1WlxpNoSkOIry99dYBaYRf0csqSARzZ31kzpvTV
	h+re3TxTKGu+o7O1b1SWPC4a9icNflUOk2JyJmTsvw==
X-Google-Smtp-Source:	APXvYqytuNslme1kIiRVaO01WgBmYj4oQX9iIt6d9Lvl8ok5UdE3g0KWR2hhWhzc7nq631e7n9zRiqJJTQJmrNCB8Ys=
X-Received:	by 2002:ab0:4307:: with SMTP id k7mr2669423uak.45.1566400224300;
	Wed, 21 Aug 2019 08:10:24 -0700 (PDT)
MIME-Version:	1.0
References:	<CALSZ9gqrykM4uM4m2z5Fk1dAovrLTT5_yPQJ8JeRrfr=kFuTxA AT mail DOT gmail DOT com>
	<CAGBFkM1EkVUruw9acb60gH2eKL80f-bL1Doy2detwqdmWShnQA AT mail DOT gmail DOT com>
	<CALSZ9gprqKcz4-bAt7oNKoWk4gZBmKOvhjcCm30vtO4iJX4T9g AT mail DOT gmail DOT com>
	<CALSZ9gow6EZotV8Qf3X+uZkAg0hkK5VXW-im9Usbx8jXdSpdEw AT mail DOT gmail DOT com>
	<CAGBFkM1NnoUwx9+a0=xY2PBKGuNJiGaDkKNfF3-+6UEEXjh9MQ AT mail DOT gmail DOT com>
	<1a9ac9de-8685-d0d7-d675-1e2e526e35d8 AT ecosensory DOT com> <6885a2d6-da21-ac3b-6695-e27b2b34392c AT ecosensory DOT com>
In-Reply-To:	<6885a2d6-da21-ac3b-6695-e27b2b34392c@ecosensory.com>
From:	"Rob Butts (r DOT butts2 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date:	Wed, 21 Aug 2019 11:10:13 -0400
Message-ID:	<CALSZ9gqYUPhNHCG+p8AbhWoGSnu4Aa-JsY0XpHD-c_nRcDfEpQ@mail.gmail.com>
Subject:	Re: [geda-user] 3V to 12V converter
To:	geda-user AT delorie DOT com
Reply-To:	geda-user AT delorie DOT com

--000000000000f212ee0590a1f8cc
Content-Type: text/plain; charset="UTF-8"

Thanks everyone.  I'm going to go with the LM2577 which has some same
footprint alternatives if the Vin minimum needs to be lower.

On Tue, Aug 20, 2019 at 6:32 PM John Griessen (john AT ecosensory DOT com) [via
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:

> On 8/20/19 4:49 PM, John Griessen wrote:
> > Here's something I used with functional results.  I have not looked at
> it with
> > a spectrum analyzer for generated noise yet...  But scope probing near
> it doesn't seem bad.
> >
> > https://www.cibolo.com/docs/pyflex_f401_power_18V.png
>
>
> Whoops, that one I used is current limiting at 350 mA on purpose...
>
> 12V and 1A is 12 Watts, so it will need heat sinking area in the layout.
>
>
>

--000000000000f212ee0590a1f8cc
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Thanks everyone.=C2=A0 I&#39;m going to go with the LM2577=
 which has some same footprint alternatives if the Vin minimum needs to be =
lower.</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_=
attr">On Tue, Aug 20, 2019 at 6:32 PM John Griessen (<a href=3D"mailto:john=
@ecosensory.com">john AT ecosensory DOT com</a>) [via <a href=3D"mailto:geda-user@=
delorie.com">geda-user AT delorie DOT com</a>] &lt;<a href=3D"mailto:geda-user AT del=
orie.com">geda-user AT delorie DOT com</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">On 8/20/19 4:49 PM, John Griessen wrote:<b=
r>
&gt; Here&#39;s something I used with functional results.=C2=A0 I have not =
looked at it with<br>
&gt; a spectrum analyzer for generated noise yet...=C2=A0 But scope probing=
 near it doesn&#39;t seem bad.<br>
&gt; <br>
&gt; <a href=3D"https://www.cibolo.com/docs/pyflex_f401_power_18V.png" rel=
=3D"noreferrer" target=3D"_blank">https://www.cibolo.com/docs/pyflex_f401_p=
ower_18V.png</a><br>
<br>
<br>
Whoops, that one I used is current limiting at 350 mA on purpose...<br>
<br>
12V and 1A is 12 Watts, so it will need heat sinking area in the layout.<br=
>
<br>
<br>
</blockquote></div>

--000000000000f212ee0590a1f8cc--

- Raw text -