http://www.onsemi.com/pub/Collateral/MC34262-D.PDF
https://www.youtube.com/watch?v=bX8IIjf15qY
This was supposed to be a small side piece in the Manson PSU Teardown, but it was almost 10 minutes, so I decided to separate it out to keep the teardown as short as possible. You should watch the PSU teardown to get the context of this where the chip is used.
Podcast: Download