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???
03/25/05 06:09
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#90396 - Power gliches
I am facing power glitches regularly whenever inductive load is switched on. Processor (8958252-Atmel) hangs. Watchdog can hardly help.

I think I have to improve on 7805 power supply or something else..

I could see supply sinking to bellow 2 volts on oscilloscope. For 100mA current, I am using 250mA X'mer with 12V Ac, generating 15VDC and 2200/25V microfarad filter with 0.1 multilayer and a 2.2MF/25V Tantalum capacitors on input and out put of regulator.

Hope somebody can helpme out. I know many may have asked same problem n number of times in this foroum.

Viaml Amin


List of 22 messages in thread
TopicAuthorDate
Power gliches            01/01/70 00:00      
   Some thoughts ...            01/01/70 00:00      
      Power glitch            01/01/70 00:00      
         Mains wiring            01/01/70 00:00      
            Power Glitch            01/01/70 00:00      
               The culrpit...            01/01/70 00:00      
                  Power Glitch            01/01/70 00:00      
                     Re: MOC3041.            01/01/70 00:00      
                        Power gliches            01/01/70 00:00      
   brown out detector            01/01/70 00:00      
      Disease Vs Symptom            01/01/70 00:00      
         Yes.            01/01/70 00:00      
      Power Glitch            01/01/70 00:00      
   Rectifier Capacitor            01/01/70 00:00      
      Power glitch            01/01/70 00:00      
         Possible causes.            01/01/70 00:00      
            Power glitch            01/01/70 00:00      
            Power Glitch            01/01/70 00:00      
               Rectifer + Filter.            01/01/70 00:00      
      Power glitch            01/01/70 00:00      
         I have been very fortunate            01/01/70 00:00      
   Power gliches            01/01/70 00:00      

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