Disclaimer: Always verify that the updated datasheet matches the revision number printed on your physical IC.
The STR F6267 is a power management IC (PMIC) designed by Sanken Electric Co., Ltd. Here are the key features and specifications of the STR F6267: str f6267 datasheet pdf updated
A: No. The F6268 has a higher Rds(on) and lower current rating (6A vs 8A). Using it in a 150W design designed for the F6267 will cause overheating and premature failure. Always verify the suffix. Disclaimer: Always verify that the updated datasheet matches