NCP348

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
12页	279K
描述
Positive Overvoltage Protection Controller with Internal Low R_ON NMOS FET and Status FLAG

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NCP348 数据手册

NCP348

Positive Overvoltage

Protection Controller with

Internal Low R_ONNMOS FET

and Status FLAG

http://onsemi.com

MARKING

The NCP348 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

BAIM

WDFN10

MT SUFFIX

CASE 516AA

The NCP348 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 (6.4 V) or

undervoltage threshold, of 3.25 V (UVLO).

BAI = 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 NCP348 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

• Shutdown EN Input

Device

Package

Shipping

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

NCP348MTTBG WDFN−10 3000 / Tape & Reel

(Pb−Free)

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

NCP348MTTXG WDFN−10 10000 / Tape & Reel

(Pb−Free)

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Applications

• Cell Phones

• Camera Phones

• Digital Still Cameras

• Personal Digital Applications

• MP3 Players

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

November, 2006 − Rev. 2

NCP348/D

12 3 4 5 6 7...12

中文翻译

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