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From: Paul Burke
Subject: Re: Smallest component to step down 240VAC to 18VDC?
Date: Wed, 09 Oct 2002 07:18:39 +0000
Organization: Scazon Systems
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The little lost angel wrote:
> Are transformers with a AC->DC circuit the only way to step
> down mains AC to low DC voltages? Are there no small IC that can
> convert 240V to something like 16V to 24V range?
> Reason being... I lost my 16V 4.5A laptop charger and need to
> make one small enough to pack in my bag. :(
> The wall wart(?) I'm using now is way too big for that.
For a charger you'll have to handle the thing, you can get fingers
across the power pins- you MUST have isolation. A transformer in the
circuit somewhere is the only acceptable way. Don't even think of trying
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