Would a TranZorb or something similar on the LV output be able to cope with a short from the HV output?
/Martin On Sunday, 1 November 2015 12:09:13 UTC+1, taylorjpt wrote: > > Shorting the HV output to the 9V output will destroy the 9V output > circuits: Rectifier, reference, opto coupler etc as well as probably the > user circuit (Unless it is protected). This can't be avoided because of > the energy stored in the HV capacitor. This of course would be the same > situation if the output of the HV converter in a clock was internally > shorted to the low voltage rail in a clock, etc. > > Shorting the HV to ground however has the same effect of shorting the LV > output to ground: The switcher primary current sense circuit will turn the > unit off. These power supplies are designed to handle this type of failure > indefinitely. > > My choice of a 5 pin keyed connector is with the ground at the center left > was made to prevent the HV from accidentally being connected to the LV > output even if forced in backwards and give extra isolation from HV to GND. > > 1 NC > 2 LV > 3 GND > 4 NC > 5 HV > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/dfa3ecfb-51ad-4ac6-9923-80300ad54fac%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
