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From: Triffid Hunter <triffid.hun...@gmail.com>
Date: Sun, 15 Jul 2012 11:49:21 +1000
Message-ID: <CACL3eKD7SGgLcB0HApAHCLz3yH3eDnFuVV3KQLPgB-eqCPc...@mail.gmail.com>
Subject: Re: 3.3v 300mA power supply.
To: hackerspace_brisbane@googlegroups.com
Content-Type: text/plain; charset=ISO-8859-1

On Sun, Jul 15, 2012 at 11:27 AM, tjhowse <tjho...@gmail.com> wrote:
> I need to buy/built a 3.3v regulator circuit able to supply 300mA. I've got
> a circuit bodged up with a big, chunky adjustable power supply package but
> it gets quite hot. It will be running off a 12v ish lipo battery. Any
> suggestions?

get a usb car phone charger. it will have an MC34063 in it. just
change the feedback resistors and you're golden :)

can pick them up for around $10 at any auto store, kmart, big-W, JB
hifi, dse, jaycar etc etc