[sdiy] SMD part availability, manufacture

[Ingo Debus]

Am 13.11.2008 um 01:31 schrieb Seb Francis:

> For the power supply regulators, I've been looking at low dropout  
> ICs and these seem pretty cool.  Am I really understanding it right  
> that they can work with a output-input of down to like 0.2V.  This  
> would mean only a tiny amount of heat dissipation so no need for  
> any heatsinking.  Are there any disadvantages to these compared to  
> standard linear regulators which need typically 2.5V output-input  
> differential?
>

Many LDOs need a low-ESR cap at the output.

Ingo