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LM2675: Absolute maximum ratings for CB pins of LM2675

Part Number: LM2675

This is about the absolute maximum ratings of the LM2675.
We measured the voltage on the CB pin in the circuit shown in the image, and found that the voltage was 10V higher than the SW pin. This result deviates from the absolute maximum rating of Vsw+8V.


Please tell me how to lower the voltage on the BOOST terminal to the allowable value (VSW+8V) or what is the maximum allowable voltage on the BOOST terminal.