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Accuracy for ADP2503 when switching Buck-mode to Boost-mode

Question asked by Kaos on Apr 22, 2015
Latest reply on Apr 23, 2015 by Kaos

Dear Sir/Madam,


I just need your comment here for ADP2503 Buck and Boost.


When your ADP2503 switch between Buck-mode and Boost-mode, can you keep the accuracy +/-3% Vout?


Our condition:

Input voltage=3.3V +/-5%

Output voltage=3.3V +/-3%, 0.1A


Your datasheet show "Output Voltage Initial Accuracy"=+/-2%

when Vout=3.3Vfixed ,Vin=3.6V fixed, Iout=no load.

But when you cross over Buck-mode and Boost-mode, what motion coming?

Can you keep above +/- accuracy?


Maybe we should try to study by doing eval board.

But I need your comment because our customer is worrying for this matter and urgent whether choice or not.

I need your good comment.


Thanks Kaos