NCP347

更新时间： 2024-09-19 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		控制器
页数	文件大小	规格书
13页	305K
描述
Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG

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中文翻译

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NCP347 数据手册

NCP347

Positive Overvoltage

Protection Controller with

Internal Low R_ONNMOS FET

and Status FLAG

http://onsemi.com

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.

MARKING

DIAGRAM

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

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

application board.

BAx 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).

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

BAx = Specific Device Code

= Date Code

= Pb-Free Package

out

exceeds the undervoltage threshold.

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

PIN CONNECTIONS

alerts the system that a fault has occurred.

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

September, 2007 - Rev. 0

Publication Order Number:

NCP347/D

12 3 4 5 6 7...13

中文翻译

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