Datasheet > NCP347_10

NCP347_10

更新时间： 2024-09-20 01:16:39

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安森美 - ONSEMI		/
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13页	484K
描述
Positive Overvoltage Protection Controller

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NCP347_10 数据手册

NCP347

Positive Overvoltage

Protection Controller with

Internal Low R_ONNMOS FET

and Status FLAG

http://onsemi.com

MARKING

The NCP347 is able to disconnect the systems from its output pin

in case wrong input operating conditions are detected. The system is

positive overvoltage protected up to +28 V.

Due to this device using internal NMOS, no external device is

necessary, reducing the system cost and the PCB area of the

application board.

DIAGRAM

XXX M

WDFN10

MT SUFFIX

CASE 516AA

The NCP347 is able to instantaneously disconnect the output from

the input, due to integrated Low R Power NMOS (65 mW), if the

input voltage exceeds the overvoltage threshold (OVLO) or

undervoltage threshold (UVLO).

XXX = Specific Device Code

= Date Code

At powerup (EN pin = low level), the V turns on 50 ms after the

out

= Pb−Free Package

exceeds the undervoltage threshold.

The NCP347 provides a negative going flag (FLAG) output, which

alerts the system that a fault has occurred.

PIN CONNECTIONS

In addition, the device has ESD−protected input (15 kV Air) when

bypassed with a 1.0 mF or larger capacitor.

10 EN

PAD1

GND

Features

• Overvoltage Protection up to 28 V

FLAG

• On−Chip Low R

NMOS Transistor: 65 mW

DS(on)

OUT

PAD2

• Internal Charge Pump

• Overvoltage Lockout (OVLO)

• Undervoltage Lockout (UVLO)

• Internal 50 ms Startup Delay

• Alert FLAG Output

(Top View)

ORDERING INFORMATION

See detailed ordering, marking and shipping information in the

package dimensions section on page 12 of this data sheet.

• Shutdown EN Input

• Compliance to IEC61000−4−2 (Level 4)

8.0 kV (Contact)

15 kV (Air)

• ESD Ratings: Machine Model = B

Human Body Model = 3

• 10 Lead WDFN 2.5x2 mm Package

• This is a Pb−Free Device

Applications

• Cell Phones

• Camera Phones

• Digital Still Cameras

• Personal Digital Applications

• MP3 Players

Semiconductor Components Industries, LLC, 2010

Publication Order Number:

May, 2010 − Rev. 4

NCP347/D

12 3 4 5 6 7...13

中文翻译

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