> There is apparently never a reason to use higher than 100 uF or lower than > 0.1 uF on the regulator output. And with lower values, you don't need a > discharge resistor or diode to protect the regulator. Important point, the 100 or whatever is IN ADDITION to the 0.1uF. The larger caps don't work so well at 1-2 MHz, which is what the 0.1 is there for.