Search found 2 matches

by tmort
Wed Mar 04, 2009 11:13 am
Forum: Projects & Kits
Topic: Build a Switching Regulator
Replies: 4
Views: 3820

Build a Switching Regulator

I have a question regarding the building a switching regulator article that discusses using the National Semiconductor LM2576. My application will be regulating voltage down from 48 volts to 12. Using the datasheet this calls for a 330uh inductor and the datasheet also gives some suppliers and model...
by tmort
Tue Sep 16, 2008 3:25 pm
Forum: Projects & Kits
Topic: Follow The Flashlight Evolution - Can't get it to work
Replies: 2
Views: 2767

Follow The Flashlight Evolution - Can't get it to work

I've bought a few LED flashlight boards and boards and kits and have yet to get one to work.

If I can ever get one to work I'd like to program it for 12 volts to use with 9 LEDs.

I noticed that the coil got quite hot but the leds didn't light.

Can anyone help?

Thanks