Datasheet > NCP349MNBG

NCP349MNBG

更新时间： 2024-11-11 01:01:55

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
12页	306K
描述
Positive Overvoltage Protection Controller with Internal Low RON NMOS FET

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NCP349MNBG 数据手册

NCP349

Positive Overvoltage

Protection Controller with

Internal Low R_ONNMOS FET

The NCP349 is able to disconnect the systems from its output pin

when wrong input operating conditions are detected. The system is

positive overvoltage protected up to +28 V.

http://onsemi.com

This device uses an internal NMOS and therefore, no external

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

application board.

The NCP349 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 falls

below the undervoltage threshold (UVLO).

DFN6

MN SUFFIX

CASE 506BM

At powerup (EN pin = low level), the V turns on t time after

out

MARKING DIAGRAM

the V exceeds the undervoltage threshold.

The NCP349 provides a negative going flag (FLAG) output, which

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.

XX MG

Features

XX = Specific Device Code

= Date Code

= Pb−Free Package

• Overvoltage Protection up to 28 V

• On−Chip Low R

NMOS Transistor: 65 mW

DS(on)

• Internal Charge Pump

PIN CONNECTIONS

• Overvoltage Lockout (OVLO)

• Undervoltage Lockout (UVLO)

• Soft−Start

GND

PAD1

OUT

• Alert FLAG Output

• Shutdown EN Input

FLAG

OUT

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

(Top View)

8.0 kV (Contact)

15 kV (Air)

ORDERING INFORMATION

See detailed ordering, marking and shipping information in the

package dimensions section on page 11 of this data sheet.

• ESD Ratings: Machine Model = B

Human Body Model = 2

• DFN6 1.6x2 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, 2012

Publication Order Number:

September, 2012 − Rev. 3

NCP349/D

12 3 4 5 6 7...12

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