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LM5045 SSSR soft-start

Jan Arvidsson
Prodigy 20 points

Hi,

I am a bit concerned of the finilization of SSSR and would like this function better explained. The soft-start begin when SSSR reach 1 V but what happens att 4 V?

My experience is that the smooth soft-start of the synchronous rectifiers is finilized at 4 V and this cause a sudden regulation errror, perhaps not what i would expect as the soft-start looks very smooth within 1 V up to 4 V on SSSR pin. 

Best regards,

Jan Arvidsson