Data Sheet S13894EJ1V0DS

9

On Detection of Overcurrent

If an overcurrent is detected after the overcurrent detection delay time of 20

µs, the IC executes a slow-start

operation again.

If an overcurrent is detected while the IC is executing the slow-start operation again, it is assumed that the output

is short-circuited and the FLG pin goes low. When the CTL signal is deasserted inactive, OUT is turned OFF and

FLG goes high. If the CTL signal is asserted active, OUT is turned back ON unless the undervoltage lockout circuit

or thermal shutdown circuit is activated.

5 V

IN (Input)

Flg

(Output)

OUT

(Output)

CTL

(Input)

5 V

GND

5 V

5 V

GND

GND

Overcurrent

detection threshold

Slow

start

period

When overcurrent

(inrush current)

is detected

When overcurrent is detected

(output is short-circuited)