Hi Team, do you have an experience that during startup the IC only has 0.6V instead of 2.5V. What are the possible usual rootcause of this situation?
Thank you very much.
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I don't quite understand the question. Can you post your schematic and a waveform of Vin, Vout, EN, and PG?
The FB pin is regulated to 0.6V, so it could be that the top FB resistor is shorted. This would give 0.6Vout all the time, and I do not understand what this has to do with startup. Does it ever reach 2.5V?