Sep 26, 2008 #1 L liletian Full Member level 6 Joined Mar 5, 2008 Messages 337 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 3,790 I design a LDO myself, but the output noise is pretty high, about 100mV, How to get rid of noise of LDO? Thanks
I design a LDO myself, but the output noise is pretty high, about 100mV, How to get rid of noise of LDO? Thanks
Sep 27, 2008 #2 R renwl Advanced Member level 1 Joined Apr 26, 2004 Messages 452 Helped 27 Reputation 54 Reaction score 5 Trophy points 1,298 Location shanghai,china Activity points 1,805 you should improve the PSRR.
Sep 27, 2008 #3 tanuki Member level 5 Joined Jun 11, 2001 Messages 92 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location Spain Activity points 841 You need to supply a pic of your circuit and test data. There are many reasons for noise and/or oscillation. also search: LDO design issues
You need to supply a pic of your circuit and test data. There are many reasons for noise and/or oscillation. also search: LDO design issues
Oct 5, 2008 #4 F fmgay Newbie level 6 Joined Jun 19, 2008 Messages 11 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,332 Please atteach your arch of LDO.
Oct 5, 2008 #5 Sadegh.j Advanced Member level 3 Joined Nov 29, 2006 Messages 749 Helped 48 Reputation 98 Reaction score 15 Trophy points 1,298 Activity points 5,585 Use differential circuits. It might help