> I could be totally wrong here but last time I looked at the LM2940 it
> needed
> some pretty expensive low esr caps to stop any oscillating. Worth double
> checking before buying a load.
>
> Dom


You're right. They have a pretty big section on the datasheet about that.
To be stable at no load, they want 22uF with an ESR of 0.1 to 1 ohm for
the output capacitor. I'll look at this a little further...

Harold

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