Feb 16, 2010 #1 M Mercury Member level 3 Joined Oct 7, 2003 Messages 67 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 612 Hello my friends, I have a battery pack which gives me 65V DC and I need to use that to power a 3.3Vdc circuit (max 35 mA). I need a power supply which would give me low quiescent current and low power loss (high efficency). Does anyone have an idea, how to make that? Best regards, George
Hello my friends, I have a battery pack which gives me 65V DC and I need to use that to power a 3.3Vdc circuit (max 35 mA). I need a power supply which would give me low quiescent current and low power loss (high efficency). Does anyone have an idea, how to make that? Best regards, George
Feb 16, 2010 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Google for single output dc/dc converters .. Here is one example: JCA0248S03 - max.75V input - 3.3V output .. https://octopart.com/jca0248s03-xp+power-5414481 Rgds, IanP
Google for single output dc/dc converters .. Here is one example: JCA0248S03 - max.75V input - 3.3V output .. https://octopart.com/jca0248s03-xp+power-5414481 Rgds, IanP