Startup time

When power is supplied to a power circuit, the output voltage reaches its specified value over a certain period of time due to transient phenomena. Of the time until this output voltage reaches its rated value, it refers to the time required to rise from 10% to 90%. It is also the time obtained by subtracting the delay time from the startup time. This is one of the time indicators showing the transient characteristics at power-on. If there are many capacitive components in the circuit, the rise time tends to become longer due to the charging time.