LM309K regulator

[Steve Stutman]

A number of three terminal regulators exhibit problems if capacitances 
they see on their input and/or output are wrong.



Brent Hilpert wrote:

>While conversing with another list member about some old components, I was
>reminded of hearing somewhere that there was a nasty failure mode of
>the LM309K 5V regulator (it being the (or one of the) first integrated 5V
>regs) which might make it somewhat undesirable for current use.
>
>I don't want to declare that there is such a problem - it's a vague
>second-hand rumour to me - so can anyone confirm or elaborate on this?
>I've never personally run across problems with them..
>A 76 Moto databook indicates it has those nice things like short-circuit
>protection and thermal-overload protection..  ..another device perhaps?
>  
>