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TPS562207S: If the duty cycle specification is exceeded

Part Number: TPS562207S

I would like to know what happen if the TPS562207S buck converter exceeds the maximum duty cycle (80%).

The values ​​I designed are: VIN = 5V (4.7V to 5.45V), RFBT = 47K, RFBB = 10K, VOUT = 4.58V.

In this case, the duty cycle is about 92%, what problems can occur?

It is ok for the output voltage to drop slightly below the target value.

Can a buck converter overheat or break down if I continue to use a high duty cycle?