Nov 4, 2009 #1 N nihalmelih Newbie level 1 Joined Nov 4, 2009 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location turkey Activity points 1,284 Current Source how can I create 3.5A current source for Vin 5V and Vo 4.2 V ? Thanks...