On 8 Mar 2012, at 06:25, StoopKid wrote:
http://www.ledsales.com.au/kits/nixie_supply.pdf With this 555 power supply, is it ok to use a 9-12V wall adapter directly into the circuit, or would a voltage regulator first be ideal? I figure it IS a voltage regulator so thats not necessary but then again for all I know it would be better to use one.
I have never had a problem with the 555 circuit using a wall wart without a voltage regulator on the power input.
I have had a problem with the MAX1771 circuit with a couple of rogue unregulated 12v supplies that give out much higher voltages than 12v without a load and which pop the MAX 1771 as soon as they are plugged in.
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