• What kinds of demands should be used to determine the soft start time period?
    • It should be determined so as to satisfy the demand specifications for the device to which power is to be supplied. However, if the soft start time period is too short, attention must be paid to the rush current (Irush) into the output capacitor. In the case of an IC with an overcurrent protection function, care must be taken to ensure that the rush current (Irush) on startup does not trigger overcurrent protection activation. In order to suppress the rush current, Cout must be made small and the startup time lengthened.
    • Products: DC-DC Converter ICs