UPD16855BC 查看數據表（PDF） - NEC => Renesas Technology

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UPD16855BC

DUAL HIGH-SIDE SWITCH FOR USB APPLICATION

NEC => Renesas Technology 

2. Under Voltage Locked Out (UVLO) Circuit

UVLO is the circuit for preventing malfunction of the switch by voltage variation.

In the Power Up : less than 3.5 V (typ.) and in the Power Down : less than 3.3 V (typ.)

OUT : OFF

FLG : “L” ( = 0V)

5V

µPD16855

3.3 V 3.5 V

5V

Input

3. Behavior in the case of Power ON

This IC is slowly started up by Soft-Start Operation when IC is powered on.

This function is to prevent from flowing large current in the period of charging the capacitor which is connected to

Output-pin.

In Power ON state, Soft-Start Time is 5ms (typ.)

5V

Vin

0V

5V

VOUT

0V

2.5 ms min.

12 ms max.

10 µ s

max.

Data Sheet S13020EJ1V0DS00

11

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