F Flyback Well-Known Member Sep 12, 2015 #1 Hello, In the attached simulation of a PFC, the IAC pin of LT1248 has 20 plus volts on it...it should be regulated to 2V...do you know whats wrong? Attachments PFC CCM BOOST _LT1248_X2.asc 15.7 KB · Views: 246
Hello, In the attached simulation of a PFC, the IAC pin of LT1248 has 20 plus volts on it...it should be regulated to 2V...do you know whats wrong?
ronsimpson Well-Known Member Most Helpful Member Sep 12, 2015 #2 Flyback said: it should be regulated to 2V Click to expand... I disagree! "biased at 2V" is to say that; when the line voltage is at zero volts the Iac pin is at 2V.
Flyback said: it should be regulated to 2V Click to expand... I disagree! "biased at 2V" is to say that; when the line voltage is at zero volts the Iac pin is at 2V.