SMPS output flickering problem

annapurna

Reputable
Feb 11, 2016
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i have designed a SMPS for 18V and 3A. at load im getting 18.45v at output but at noload the output is flickering. can i knw what exactly the problem
 
Solution
Hi
Most SMPS require a load to work properly and in the absence of a load can become unstable which is what you are experiencing.