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Richard Erlacher
02/09/10 09:07
Read: 158 times
Denver, Co
USA


 		 #172994 - This should work well
Responding to: Oliver Sedlacek's previous message
The IC regulators must be LDO types, as the headroom is below the requisite 2.2 volts, but that should work out OK. It might be worth considering the SEPIC switcher in place of the first regulator in order to handle the portion of the time that Vin is below 10 volts. Subsequent careful filtering will handle the switcher's ripple.

RE




List of 30 messages in thread
TopicAuthorDate
voltage regulator design      Mahmood Elnasser      02/07/10 12:54      
   Implement an "Inverting Buck-Boost"...      Kai Klaas      02/07/10 13:34      
      ultra low noise      Mahmood Elnasser      02/07/10 14:20      
         You're right ...      Richard Erlacher      02/07/10 15:35      
   reghardless of the urban legends and ...      Erik Malund      02/07/10 16:19      
   You need a rail splitter      Oliver Sedlacek      02/08/10 07:19      
      no, he does not      Erik Malund      02/08/10 07:40      
         When the Engine starts      Andy Neil      02/08/10 08:06      
            Engine?      Rob Klein      02/08/10 08:10      
               Ummm...      Andy Neil      02/08/10 09:04      
         That's not a given ...      Richard Erlacher      02/08/10 09:39      
         I stand by what I said      Oliver Sedlacek      02/08/10 11:38      
            Which one?      Richard Erlacher      02/08/10 13:10      
               Rail splitter      Mahmood Elnasser      02/08/10 15:29      
                  It isn't as simple as it looks.      Richard Erlacher      02/08/10 16:55      
                     it is ...      Erik Malund      02/08/10 17:18      
                        Did you even read the original spec's?      Richard Erlacher      02/09/10 00:04      
                           reverse engineering      Mahmood Elnasser      02/09/10 02:24      
                  Let me try ..      AP Charles      02/09/10 02:53      
                     Reply      Mahmood Elnasser      02/09/10 12:02      
                        Reply      AP Charles      02/09/10 23:25      
                  Like this      Oliver Sedlacek      02/09/10 06:41      
                     This should work well      Richard Erlacher      02/09/10 09:07      
                     The problem with the TLE2426 is...      Kai Klaas      02/09/10 14:30      
                        quite true, that's why the op-amp is better      Richard Erlacher      02/10/10 00:36      
                           Link....      AP Charles      02/10/10 00:37      
                              probably still too weak ...      Richard Erlacher      02/10/10 23:38      
                                 ...and instable...      Kai Klaas      02/11/10 19:13      
                        True, opamp alternative      Oliver Sedlacek      02/10/10 06:04      
                           There are several      Rob Klein      02/10/10 11:57      

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