Be sure to tune the output using a < 2V source (e.g. a AA battery) before connecting the actual input source. I bought two, and the first one I tuned with an input of around 5V... an hour later the IC must have shorted internally because it glowed bright and released a lot of the magic smoke :)
A
Andre
Works perfectly
Works exactly as stated, instructions and silkscreen make it foolproof. Great for prototyping!