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:in-reply-to:references:from:date:message-id:subject:to :content-transfer-encoding; bh=04r/4Z5iTz+p0otoe6slQp3Ia7h2CCFObH4suDW/Qwc=; b=e0aRMFiRdY4sLjcTztVH7squo+0bkSUPLVvyaQqSgxXpocKCXTdX9oIvcxplsXz2XU naTI7R+UFyx5JcVNMvrt4jpAuBMinIjnsqizwmp6zd/i4vX9aq0BHpevawbwUmjntU41 Ge8WkvBDIicVCcpEip2Vn9VD3WpswEOt86ss4/haMjU2P2c55FaI7WITvL3ISveWe2rM J9lgcwLtIJRMR3XOHuyMmZKmtm+9Sc4lUAkb1hCMtK+QNroZQnO461IbFR/07aip2+zg YEqUvmJy5fnlmPm7j7vqRqg4OBqXARZ5tK45zTTjzWjCUQj3GukJLcdj+tNGLIT0M1lh +wgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-transfer-encoding; bh=04r/4Z5iTz+p0otoe6slQp3Ia7h2CCFObH4suDW/Qwc=; b=ElwazOljjg26p0CT6rDIFA7ia3lNCPRqr7RqJMflNcGtfpno0LObdjQh05cVS+EW/a 9Pl/FgNogYxDeNff+yB2suHppHX4vKoqvPOKmIPPVSKETt4k5f3QDYBrwWicTb21VhmD JvymE5rqrJA6Yd3FMFQhZMsMpeEKfuGRdolZY6G0oe3km4zllM9WH2LI6p6l6A1L8ji3 dpe0Vl7Of6Q/edbXpot/Hup2VgIzJ+XHZ8YZBdCrCzGmTzGkB6N3+W1MuAzw2zMOSfBZ oZ8lwVbxJU2QMnnqTb2GAblU4Dbh9XQKo4iuKzibAS7eyg7sr6lcSMocvmPzO8TRonIa /YIg== X-Gm-Message-State: APjAAAWkT1FlSJl9INSlAEYT+MmQN1QALXxYnZ1Ac5r3TJeqWqahWUBW WLd3ipKn3MANCwZHbqK4ZI1FnHe8WZey4MmnX5f+39DX X-Google-Smtp-Source: APXvYqz0xcrfvVqUNoT00zJtD68roMyfvu4SDAvM9Kuzh38znwkiqQGbhvM7OdGMOycermyv3NixLhKBrJvyqkMQG30= X-Received: by 2002:a5d:564f:: with SMTP id j15mr3876925wrw.326.1566260098492; Mon, 19 Aug 2019 17:14:58 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: "Alan Corey (alan01346 AT gmail DOT com) [via geda-user AT delorie DOT com]" Date: Mon, 19 Aug 2019 20:14:57 -0400 Message-ID: Subject: Re: [geda-user] 3V to 12V converter To: geda-user AT delorie DOT com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id x7K0FYIh011191 Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk A buck-boost chip http://www.xlsemi.com/datasheet/XL6019%20datasheet-English.pdf The web site seems to not have an English section, I searched like https://duckduckgo.com/?q=%22xlsemi.com%22+english+boost&t=ffab&ia=web On 8/19/19, Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com] wrote: > Fn 8/19/19 5:14 PM, Rob Butts (r DOT butts2 AT gmail DOT com) [via > geda-user AT delorie DOT com] wrote: >> I used ti's power bench to come up with a 3V to a fixed 12V converter >> but it uses 15 components and is not reliable. >> >> Then I see these small ready made converter boards providing up to 2amps >> and costs around $1.50 from china.  They use what looks like a 6 pin >> sot23 voltage regulator with a handful of components. >> >> I've searched far and wide with nothing like what they seem to use. >> >> Does anyone have a good recommendation for voltage regulator with >> minimal components? > > For less demanding applications, you really can't beat the simplicity > of the MC34063. There are lots of app notes, etc detailing many > different ways to use it. They are extremely cheap and readily available. > > In particular, find Motorola/OnSemi app note AN920/D. > > -Dave > > -- > Dave McGuire, AK4HZ > New Kensington, PA > > -- ------------- No, I won't call it "climate change", do you have a "reality problem"? - AB1JX Cities are cages built to contain excess people and keep them from cluttering up nature. Impeach Impeach Impeach Impeach Impeach Impeach Impeach Impeach