piclist 2000\05\29\121817a >
Thread: LED Challenged
face BY : Alok Dubey email (remove spam text)

try analog dev site for a list of CMOS ratings

-----Original Message-----
From: Spehro Pefhany [EraseMEspeffEraseMEspamspamINTERLOG.COM]
Sent: Monday, May 29, 2000 5:10 PM
Subject: Re: [EE] LED Challenged

At 09:28 PM 5/29/00 +0530, you wrote:
>u mean using a 555 with all its cap and res and the sudden volatge spikes u
>get out of switching the o/p on pin 3 and hence causing some amt of PS
>, gnd bounce etc is better than using a sort of mosfet whose current i can
>control ?

Yes, it could well be.

See http://www.ti.com TLC555 for a modern version of the 555.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the
TakeThisOuTspeffspamEraseMEinterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com


See also: www.piclist.com/techref/displays.htm?key=led
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