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GregS  
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 More options Aug 20 2008, 3:26 pm
Newsgroups: sci.electronics.design, sci.electronics.basics
From: zekfr...@zekfrivolous.com (GregS)
Date: Wed, 20 Aug 2008 14:26:34 GMT
Local: Wed, Aug 20 2008 3:26 pm
Subject: Re: current and current consuming devices
In article <8fa5a24f-9d8d-465a-9d73-605f64a48...@c65g2000hsa.googlegroups.com>, panfilero <panfil...@gmail.com> wrote:

>I just had a couple of questions about current... can I device draw
>too much current for itself?  I mean... if I hook up a device that
>uses 1amp to a power supply without a current limiting control will
>that device just use what it needs?  So basically will a 12V  2Amp dc
>power adapter work for all devices that require less than 2Amps?

You had it when you said drawing less than 2 Amps. Turn on surge current can cause problems.
its a major issue driving 12 lamps. Sometimes the supply will shut down.

greg


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