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???
06/03/08 15:41
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 		 #155452 - one of many
Responding to: ???'s previous message
SEPIC switchers can tolerate both too-low and too high input voltages with minimal overheating

Sepic is, by no means the only possibility, my (subjective) favorite Power Trends have them also

to get all, search on buck-boost

Erik

List of 48 messages in thread
TopicAuthorDate
Looking for a 80XX chip with build in Watch Dog            01/01/70 00:00      
   Complex?            01/01/70 00:00      
   they are legio            01/01/70 00:00      
      Rx2, 66x, LPC, 80F ...            01/01/70 00:00      
         you will easily recognize            01/01/70 00:00      
            Ateml            01/01/70 00:00      
               probably            01/01/70 00:00      
   Why is the power unstable?            01/01/70 00:00      
      ANY certificate is NO absolute guarantee...            01/01/70 00:00      
         Have you ever been involved in CE testing?            01/01/70 00:00      
            oh, how many times have that been the case            01/01/70 00:00      
            why do you use WD then?            01/01/70 00:00      
               Recovery            01/01/70 00:00      
                  A quote from "The Firmware Handbook":            01/01/70 00:00      
               the fallacy of 'testing'            01/01/70 00:00      
                  why redesign            01/01/70 00:00      
                     'normal' is where it is to be located            01/01/70 00:00      
                        depends on the circumstances            01/01/70 00:00      
                           reduced            01/01/70 00:00      
               To calm my boss...            01/01/70 00:00      
                  why would I not know how it works?            01/01/70 00:00      
                     wait a minute ...            01/01/70 00:00      
                        I couldn't agree more...            01/01/70 00:00      
                     I wanted to focus on something different            01/01/70 00:00      
   Good Design vs. Uncontrollable.            01/01/70 00:00      
      I am glad I am not your customer            01/01/70 00:00      
      What you CAN do            01/01/70 00:00      
         and            01/01/70 00:00      
            but it might save the engine...            01/01/70 00:00      
               neither will a watchdog qualify ....            01/01/70 00:00      
                  It was Neil Kurzman...            01/01/70 00:00      
                  watch the dog            01/01/70 00:00      
                     Yes, I agree with you            01/01/70 00:00      
            I know that it is not a good resolution.            01/01/70 00:00      
         I wish I can do that            01/01/70 00:00      
            I think you need another job            01/01/70 00:00      
            Try googling "SEPIC"            01/01/70 00:00      
               one of many            01/01/70 00:00      
                  It's a type, not a brand ...            01/01/70 00:00      
            Try this            01/01/70 00:00      
               I would recommend against it            01/01/70 00:00      
                  If you have had a look at the datasheet...            01/01/70 00:00      
                     you missed a word            01/01/70 00:00      
               I've had mixed results ...            01/01/70 00:00      
                  Did you test the LM2674 actually?            01/01/70 00:00      
                     I wouldn't call it testing , but ...            01/01/70 00:00      
                        Are you sure it was the LM2674?            01/01/70 00:00      
                           Well ... as it turns out ...            01/01/70 00:00      

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