Hi Terry. Indeed I found only one schematic using 12V. Most of schematics available on Google use 5V. That's why I preferred to ask. I will use 12V with transistors then.
Thank you for your reply. Antoine On 01 Jun 2012, at 13:48, Terry S wrote: > The datasheet does not indicate an operating supply voltage of -0.5 to > +15v, those are the absolute maximum ratings. > > Use the part within it's recommended ratings of 10.8 to 13.2 volts and > you won't have any issues. Otherwise, all bets are off. > > It never ceases to amaze me when people use a part outside it's spec > and then wonder why they have problems. Would you use a lawnmower to > trim your hedge? Your weed whip to cut down a tree? > > Terry > > On Jun 1, 6:06 am, Pengouin <anto...@blacktrap.net> wrote: >> Hi, >> >> I intend to use Supertex HV5522 to build a Nixie clock with four IN-18 >> tubes. I found some schematics on the Internet. Some use 5V directly >> connected to HV5522 and some use higher voltages (12V) with a field effect >> transistor connected to a 5V MCU. I plan on using a PIC MCU running at 3.3V >> to drive my HV5522. The datasheet seems to indicate that I can use any >> voltage between -0.5V to +15 V, but the recommended voltage is 10V to 13V. >> >> Does anyone uses HV5522 connected directly in 3.3? Is it working correctly? >> >> Thanks for your help >> >> Antoine > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to neonixie-l@googlegroups.com. > To unsubscribe from this group, send email to > neonixie-l+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. >
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