Apr 10, 2008 #1 Y yen Member level 5 Joined Apr 21, 2005 Messages 85 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 2,230 Dear all, If I choose capacitor like ceramic capacitor or Tantalum capacitor, which is cheaper? My bulk is voltage mode, which compensation is suit for lower esr (like 30 mohm). Generally, the esr of ti or analog device's bulk is used from ? to ?. Can bulk be used the small esr? Is phase margin bigger than 30 or 40 ? thanks.
Dear all, If I choose capacitor like ceramic capacitor or Tantalum capacitor, which is cheaper? My bulk is voltage mode, which compensation is suit for lower esr (like 30 mohm). Generally, the esr of ti or analog device's bulk is used from ? to ?. Can bulk be used the small esr? Is phase margin bigger than 30 or 40 ? thanks.