>From what I am reading, 3 would give you .9A, so that should be enough for you
Sent from my iPhone On Aug 31, 2011, at 9:48 PM, Ryan McDonald <[email protected]> wrote: > Ok some questions about > http://threeneurons.files.wordpress.com/2011/08/mc34063_mk15cm1.gif > > I plan to run the supply from 9v and need to get 180V at approx 13mA. > > How do I go about choosing how many of the 1ohm R's to use? Do the . > 9A, 1.2A, and 1.5A labels shown designate the required input current > from the supply? > > I completely understand the equations surrounding R3 and R4 for > determining Vout. Lets say I use the default values shown, but end up > with 185V requiring me to adjust R3/R4 to get my desired 180V. How > would I decide which R to adjust "first"? I don't want to just > coarsely adjust R3 then compensate by fine tuning via R4. It seems to > me this undereducated approach would lead to the circuit getting "out > of balance" between R3 and R4. Can someone help me understand how I > would go about adjusting R3 and R4 *together* to get the desired > Vout? Again, I do understand how to calculate Vout given a R3 and > R4. What I want is to compute R3 and R4 to attain a given Vout. > > Thanks! > -Ryan > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
