[sdiy] Voltage Regulators - normal versus LDO

Ullrich Peter Peter.Ullrich at kapsch.net
Tue Aug 11 08:39:13 CEST 2009


Hi Mark!

>Are there any tradeoffs between the usual 78xx regulator and a low
>drop-out (LDO) regulator?

You have to carefully read the datasheet of each special type as many of them need a 
Minimum value for the output electrolytic capacitor to start properly.

Otherwise it could make many problems and even output higher voltages than
The nominal value (I had this problem once with an 4805 LDO).

Ciao
Peter

http://come.to/synpro





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