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???
04/23/07 12:28
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#137791 - A possible method
Responding to: ???'s previous message
I did a little research and it seems the average switchmode psu works down to around 90VAC or 120VDC. This is close to your requirements. I'd reverse engineer one of these and see how you could modify them to work from a lower voltage.

100VDC as a input voltage is too high for the average dc/dc converter and just a little too low for your average AC/DC switchmode. This makes for a custom solution.

Why 100VDC?

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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