NCP370

更新时间： 2024-09-19 05:52:03

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
11页	165K
描述
Positive and Negative Overvoltage Protection with Internal Low RON N-MOSFETs and Reverse Charge Control Pin

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NCP370 数据手册

NCP370

Positive and Negative

Overvoltage Protection

with Internal Low R_ON

N-MOSFETs and Reverse

Charge Control Pin

http://onsemi.com

MARKING

The NCP370 is an overvoltage, overcurrent and reverse control

device. Two main modes are available by setting logic pins. First mode

is Direct Mode from Wall−Adapter to the system. In this mode the

system is both positive and negative over−voltage protected up to

+28 V and down to −28 V. The wall adapter (or AC/DC charger) is

disconnected from the system if the input voltage exceeds the

overvoltage (OVLO) or undervoltage (UVLO) thresholds. At power

DIAGRAM

NCAI

370

12 PIN LLGA

MU SUFFIX

CASE 513AK

ALYWG

up, the V turns on 30 ms after the V exceeds the undervoltage

threshold.

out

= Assembly Location

= Wafer Lot

The second mode (see Tables 1 & 2), called the Reverse Mode,

allows an external accessory to be powered by the system battery or

boost converter. Here the external accessory would be connected to the

device input (bottom connector of system) and the device battery

would be at the device output. In this case overcurrent protection is

activated to prevent accessory faults and battery discharge. Thanks to

the NCP370 using an internal NMOS, the system cost and the PCB

area of the application board are minimized.

The NCP370 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 mF or larger capacitor.

= Year

= Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

OUT

FLAG

DIR

GND

RES

NCP370

REV

Ilim

Features

• Overvoltage Protection Up to 28 V

• Negative Voltage Protection Down to −28 V

• Reverse Charge Control: REV

• Direct Charge Control: DIR

• Overcurrent Protection

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 10 of this data sheet.

• Thermal Shutdown

• On−chip Low R

NMOS Transistors: Typical 130 mW

DS(on)

• Overvoltage Lockout (OVLO)

• Undervoltage Lockout (UVLO)

• Soft−Start

Typical Applications

• Alert FLAG Output

• Cell Phones

• Camera Phones

• Digital Still Cameras

• Personal Digital Applications

• MP3 Players

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

8 kV (Contact)

15 kV (Air)

• ESD Ratings: Machine Model = B

Human Body Model = 2

• 12 Lead TLLGA 3x3 mm Package

• This is a Pb−Free Device

Publication Order Number:

December, 2008 − Rev. 2

NCP370/D

12 3 4 5 6 7...11

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与NCP370相关器件

型号	品牌	获取价格	描述	数据表
NCP370_11	ONSEMI	获取价格	Positive and Negative Overvoltage Protection
NCP370MUAITXG	ONSEMI	获取价格	Positive and Negative Overvoltage Protection with Internal Low RON N-MOSFETs and Reverse C
NCP3712ASN	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT1	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT1/D	ETC	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT1_06	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT1_14	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT1G	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT3	ONSEMI	获取价格	Over Voltage Protected High Side Switch
NCP3712ASNT3G	ONSEMI	获取价格	Over Voltage Protected High Side Switch

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