The maximum allowable soft start time for MAX17502 is 1 second. Kindly note that pushing the soft start time higher will require very careful design of the feedback loop.
MAX17502
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Create a design and simulate using EE-Sim®: MAX17502
The MAX17502 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated...
Datasheet
MAX17502 on Analog.com
The maximum allowable soft start time for MAX17502 is 1 second. Kindly note that pushing the soft start time higher will require very careful design of the feedback loop.