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What is wrong with this simple design using ADP2302ARDZ-5.0?

Question asked by staticboards on Jan 20, 2016
Latest reply on Jan 29, 2016 by staticboards



I designed a very simple DCDC converter, from 12v to 5V, using the ADP2302ARDZ-5.0 and the reference design. I assembled it, but it is not working. Voltage in FB is 0.



I am using this inductor, the SRR1240-6R8M


This is the top copper plane (bottom copper is a gnd plane)




This is the complete design:




May I ask you for some help on this? Maybe I am missing something, values, or something. I am using all values from the datasheet...


Thank you very much for your time!!