>-----Original Message-----
>From: Russell McMahon [mailto:piclist-bounces@mit.edu] 
>Sent: 19 October 2005 04:36
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE] TO-92 volt regs and heat issues
>
>
>3.    All 7805's should be destroyed on sight :-). While in their day 
>they were marvellous their day has long gone. Low price is their only 
>good feature.

And a feature that is of critical importance in many designs!  For a low current regulator, the 78LM05's are pretty dire in terms of quiescent current, but the 1 Amp TO220 devices have a very reasonable price/performance ratio IME.

Regards

Mike

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