Trying to push the regulator to output 75V 200ma I got these values as result.
Everything looks right here as the dissipation of the mosfets. But can we use it at that voltage?
HV salas is for above 100V so trying to run at arround 80V
Everything looks right here as the dissipation of the mosfets. But can we use it at that voltage?
HV salas is for above 100V so trying to run at arround 80V
An externally hosted image should be here but it was not working when we last tested it.
Here is the sim. Q101 dissipating 25mW
Q106 18.24W
but VDS is 65.6V which is way higher for the Jfet.
Q106 18.24W
but VDS is 65.6V which is way higher for the Jfet.
An externally hosted image should be here but it was not working when we last tested it.
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pics are already attached. Anyway please find the dropbox links..
https://dl.dropboxusercontent.com/u/7421969/salas_Bib_HigherV.png
https://dl.dropboxusercontent.com/u/7421969/salas_Bib_75v.png
The pics are attached in the first and second post just check with a different browser.
Here are the pics
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
yes, you can use that voltage. But you have to design the regulator for the currents and voltages that you apply/demand.
Clue
75V output and 200mA of current is 15W. That is hot, but the input voltage will be much higher.
Maybe around 85V (and it varies), that increases the total dissipation to 17W. Even hotter.
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