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???
04/29/07 00:40
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#138195 - Most likely
Responding to: ???'s previous message
As for changing the mosfet, probably not, but you'd want to do some calcs to ensure the peak current is within the specs of the mosfet. Actually , I probably got the addition of turns backwards, you'll need to remove turns for lower voltage. For a different output voltage you'll need to modify the output turns to suit and the feedback circuit resistors around the TL431 current reg i.c. Check capacitor voltage ratings etc.



List of 21 messages in thread
TopicAuthorDate
Step down DC for my MCU            01/01/70 00:00      
   be careful            01/01/70 00:00      
   A possible method            01/01/70 00:00      
      Why 100VDC?            01/01/70 00:00      
         why reverse engineer?            01/01/70 00:00      
         You didn't read what I said!            01/01/70 00:00      
            hot-air gun helps            01/01/70 00:00      
               Transformers            01/01/70 00:00      
                  supply correlate            01/01/70 00:00      
                     Use hot air gun            01/01/70 00:00      
                        Sounds like            01/01/70 00:00      
                           Most likely            01/01/70 00:00      
   Check commercial industrial SMPS            01/01/70 00:00      
      IDEC power supplies            01/01/70 00:00      
         custom range here            01/01/70 00:00      
            Ask IDEC or B & B            01/01/70 00:00      
   How effient does it meed to be?            01/01/70 00:00      
      a very hot proposal            01/01/70 00:00      
         Hot? You asked for hot?            01/01/70 00:00      
         I always know my Ideas where hot.            01/01/70 00:00      
            better still            01/01/70 00:00      

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