This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM5026: Doubts regarding Optocoupler to LM5026 COMP Interface

Part Number: LM5026

Hi friends,

I have a doubt regarding Optocoupler to LM5026 COMP Interface. Please refer Figure 16. Optocoupler to LM5026 COMP Interface in LM5026 datasheet.

when output voltage increases, the optocoupler will conduct more this will cause increase in voltage at comp pin and decrease in voltage at mirrored transistor(soft start pin) and results in inverting pin of the compactor results in increase in duty cycle. so increase in output voltage results in increase in duty cycle.But actually we need increase in output voltage should results in decrease in duty cycle.Please explain me why it is so?

Aneesh