[jallib] Re: Jaluino next version: what could be added/improved

Wed, 02 Sep 2009 11:07:21 -0700 


On Sep 2, 6:31 pm, Sebastien Lelong <[email protected]>
wrote:
> >  > Is L78L33ACZ an option ? TO-92 package, could be used instead of
> > TO-220. But
> >  > only 100mA output. I don't know if electrical specs are compatible
> > too...
>
> > Sorry forgot, L78L33ACZ is no good specs, to high dropout voltage,
> > 1.7V is to critical
>
> What is dropout voltage ? Is it the voltage amount needed in addition the
> wanted one ?

Minimum voltage drop over the component so deference between the
minimum voltage input (supply) and the voltage output

> Ex: I want 3.3V. Dropout V is 1.7, so I need to power the regulator with at
> least 3.3 + 1.7 = 5V ?

Yes, you got it

>
> Thanks for your enlightenments.
> Seb
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups 
"jallib" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to 
[email protected]
For more options, visit this group at 
http://groups.google.com/group/jallib?hl=en
-~----------~----~----~----~------~----~------~--~---






























					Reply via email to