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???
02/08/10 23:18
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 		 #172985 - it is ...
Responding to: ???'s previous message
an isolated switcher for -5
a (non)isolated switcher for +5
a LDO for +3V3

and you will have good regulation for everything as the battery fluctuates

Linear Technology has some really neat modules, the family is growing http://www.linear.com/pc/viewCa...1042,C1424 I do not know if they have negatives, but Power trends (TI) does and so do other reputable manufacturers.

Since you are concerned with noise make sure you stick with reputable manufacturers, I have seen some gadawful crap when somebody was overly fiscally conscious.

Erik

PS I am automatically, because of my experience, thinking transport whejn I see 12/24V battery -= Mahmood, please state if it is

List of 30 messages in thread
TopicAuthorDate
voltage regulator design            01/01/70 00:00      
   Implement an "Inverting Buck-Boost"...            01/01/70 00:00      
      ultra low noise            01/01/70 00:00      
         You're right ...            01/01/70 00:00      
   reghardless of the urban legends and ...            01/01/70 00:00      
   You need a rail splitter            01/01/70 00:00      
      no, he does not            01/01/70 00:00      
         When the Engine starts            01/01/70 00:00      
            Engine?            01/01/70 00:00      
               Ummm...            01/01/70 00:00      
         That's not a given ...            01/01/70 00:00      
         I stand by what I said            01/01/70 00:00      
            Which one?            01/01/70 00:00      
               Rail splitter            01/01/70 00:00      
                  It isn't as simple as it looks.            01/01/70 00:00      
                     it is ...            01/01/70 00:00      
                        Did you even read the original spec's?            01/01/70 00:00      
                           reverse engineering            01/01/70 00:00      
                  Let me try ..            01/01/70 00:00      
                     Reply            01/01/70 00:00      
                        Reply            01/01/70 00:00      
                  Like this            01/01/70 00:00      
                     This should work well            01/01/70 00:00      
                     The problem with the TLE2426 is...            01/01/70 00:00      
                        quite true, that's why the op-amp is better            01/01/70 00:00      
                           Link....            01/01/70 00:00      
                              probably still too weak ...            01/01/70 00:00      
                                 ...and instable...            01/01/70 00:00      
                        True, opamp alternative            01/01/70 00:00      
                           There are several            01/01/70 00:00      

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