-=> Maurice Kinal wrote to Tony Langdon <=-   
      
    MK> @MSGID: <57F5C8FA.208.fido-tuxpower@freeway.apana.org.au>   
    MK> -={ 2016-10-06 14:18:47.621938557+11:00 }=-   
      
    MK> Hey Tony!   
      
    TL> In your example, efficiency at 7v input can't around 75%.  At 32V   
    TL> input, it's more like 15%.   
      
    MK> 12V or thereabouts.  I was using a marine battery as a power source but   
    MK> it needed replacing so I switched it for a regular car battery which   
    MK> happened to be handy.  So far the elcheapo car battery seems to be   
    MK> working better than the more expensive marine battery was.   
      
   Still looking at approximately 40% efficiency at best for a linear regulator   
   with 12V input.   
      
      
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