Re: Best way to power array of LEDs?

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#179

From: Spehro Pefhany
Date: Sat, 02 Nov 2002 11:45

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In sci.electronics.design John Woodgate <jmw@jmwa.demon.contraspam.yuk> wrote:

> That only two extra parts. We already had 'solutions' with 30 or so.
> (;-)

Each LED could have it's own MC34063 switching current regulator!
Redundancy! (that's approaching 300 parts...) 

(I just dissected an NiMH battery charger that uses an off-line switcher,
a microcontroller, plus four regulators of this type- one per cell). Not
too expensive, either.

Best regards, 
Spehro Pefhany
-- 
"it's the network..."                          "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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From: "Spehro Pefhany" <speff@interlog.com>
Subject: Re: Best way to power array of LEDs?
Newsgroups: sci.electronics.components,sci.electronics.design,alt.engineering.electrical,aus.electronics,sci.electronics.repair
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