This is the 3rd such request in about as many days.
The LM2936 does very well if you need less than 50mA maximum current drain.

There are a number of other alternatives.



      Russell McMahon
_____________________________

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What can one man* do?
Help the hungry at no cost to yourself!
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(* - or woman, child or internet enabled intelligent entity :-))


-----Original Message-----
From: Edson Brusque <brusque@FLYNET.COM.BR>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Saturday, 12 February 2000 04:20
Subject: Re: low-loss voltage reg [OT?]


>Hello,
>
>    We have a portable gadget that uses a PIC16F873 and consumes about
>100mA. It could not go to sleep mode. I'm currently using a 9V batery with
a
>78L05, but the waste of energy is very high. What do you suggest? A
>switching regulator I could simply put in place of a 78L05 would be super.
>
>    Thanks,
>
>    Brusque
>
>+------------------------+
>|     Edson Brusque      |
>| Research & Development |
>|  www.citronics.com.br  |
>+------------------------+
>