UPD16875G 查看數據表（PDF） - NEC => Renesas Technology

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UPD16875G

DUAL Pch HIGH-SIDE SWITCH FOR USB

NEC => Renesas Technology 

µPD16875

On Detection of Overcurrent

5V

IN (Input)

Flg

(Output)

CTL

(Input)

OUT

(Output)

5V

GND

5V

GND

5V

GND

Overcurrent

IOUT

detection threshold

Inrush current

Slow Normal Output is short-circuited.

start operation

period period

If an overcurrent is detected after the overcurrent detection delay time of 20 µs, the IC executes a slow-start

operation (output rise time: 5 ms TYP.) 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.

10

Data Sheet S13895EJ1V0DS

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