What makes me unbelievable is that 20,000+ users downloaded MC34063 Calculator latest version on 9Apps for free every week! This is one of my favorite apps. This hot app was released on 2016-08-10. Certainly you will love it after play.
This is a simple-minded design tool that allows you to calculate component values MC34063A simple switcher chip. It displays the appropriate scematic diagram (step-up, step-down, or inverting) and checks for current and voltage limits. Feedback resistors are chosen from standard component values so that the output is as close to desired value as possible.