Monday, 22 February 2016

What is the difference between level shifter, voltage regulator and dc-dc converter?



What is the difference between level shifter, voltage regulator and dc-dc converter?


My understanding is:



  • level shifter is used to convert one voltage into another voltage

  • voltage regulator is used to produce constant output voltage from high voltage

  • dc-dc converter is used to convert dc level into different level


Is this correct?


If I want to convert 5V voltage supply to 2.5V, do I need to use regulator, level shifter or dc-dc converter?




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