5
votes
2answers
1k views

Which type of 100nF capacitor is best for 78xx regulator output?

I use 78L12 or similar voltage regulators in a few power supplies. I use them in their basic setup, see the picture: This diagram is common for all 78xx and 78Lxx regulators. It says that output ...
3
votes
3answers
1k views

How is ESR specified on ceramic capacitors?

I'm looking for a capacitor to use as the output cap with this regulator: http://uk.farnell.com/exar/sp6205em5-l-3-3/ic-v-reg-ldo-0-5a-3-3v-smd-6205/dp/9388338 It says it requires a 2.2uF capacitor, ...