NCP362AMUTBG 데이터 시트보기 (PDF) - ON Semiconductor

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NCP362AMUTBG

USB Positive Overvoltage and Overcurrent Protection with TVS for VBUS and Low Capacitance ESD Diodes for Data

ON Semiconductor 

NCP362

PIN FUNCTION DESCRIPTION

Pin No. Name

Type

Description

1

EN

INPUT Enable Pin. The device enters in shutdown mode when this pin is tied to a high level. In this case the

output is disconnected from the input. To allow normal functionality, the EN pin shall be connected to

GND or to a I/O pin. This pin does not have an impact on the fault detection.

2

GND

POWER Ground

3

IN

POWER Input Voltage Pin. This pin is connected to the VBUS. A 1 mF low ESR ceramic capacitor, or larger,

must be connected between this pin and GND.

4

VBUS TVS INPUT Cathode of the VBUS transient voltage suppressor diode. (NCP362A & NCP362C) This pin is not

connected in the NCP362B

5

GND

POWER Ground

6

D−

INPUT Cathode of the D− ESD diode. (NCP362B & NCP362C) This pin is not connected in the NCP362A

7

D+

INPUT Cathode of the D+ ESD diode. (NCP362B & NCP362C) This pin is not connected in the NCP362A

8

GND

POWER Ground

9

OUT

OUTPUT Output Voltage Pin. The output is disconnected from the VBUS power supply when the input voltage is

above OVLO threshold or below UVLO threshold. A 1 mF capacitor must be connected to this pin.

The two OUT pins must be hardwired to common supply.

10

PAD1

FLAG

GND

OUTPUT

POWER

Fault Indication Pin. This pin allows an external system to detect a fault on VBUS pin. The FLAG pin

goes low when input voltage exceeds OVLO threshold. Since the FLAG pin is open drain functional-

ity, an external pull up resistor to VCC must be added.

Ground. Must be used for power dissipation. See PCB recommendations.

PAD2

GND

POWER Anode of the TVS and/or ESD diodes. Must be connected to GND.

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3

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