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Tool/software: WEBENCH® Design Tools
Hello! Could someone explain what is real duty cycle limit for TPS563200? On product page I see 80%, WEBENCH allows only 70% and 65 % is recommended in datasheet. I'm use it to supply GSM modem from 5V to 3.5 V, that is vely close to lower modem supply limit. In previous design tps563200 got 3.8V from 5V well. So, 65% recommendations in datasheet looks like old "copy-paste" from first devices(like tps560200) and WEBENCH limitations looks like a bug. But I need a documentally substantiated design and ask TI help me to revolve this question.
Thank you, Vental!
Your answer is very helpful!
I've just checked Webench, its limitations was corrected according datasheet recommendations.