Datasheet > NCP346_06

NCP346_06

更新时间： 2024-09-19 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
15页	362K
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Overvoltage Protection IC

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NCP346_06 数据手册

NCP346

Overvoltage Protection IC

The NCP346 Overvoltage Protection circuit (OVP) protects

sensitive electronic circuitry from overvoltage transients and power

supply faults when used in conjunction with an external P−channel

FET. The device is designed to sense an overvoltage condition and

quickly disconnect the input voltage supply from the load before any

damage can occur. The OVP consists of a precise voltage reference, a

comparator with hysteresis, control logic, and a MOSFET gate driver.

The OVP is designed on a robust BiCMOS process and is intended to

withstand voltage transients up to 30 V.

The device is optimized for applications that have an external

AC/DC adapter or car accessory charger to power the product and/or

recharge the internal batteries. The nominal overvoltage thresholds are

4.45 and 5.5 V and can be adjusted upward with a resistor divider

http://onsemi.com

THIN SOT−23−5

SN SUFFIX

CASE 483

PIN CONNECTIONS &

MARKING DIAGRAM

OUT

GND

between the V , IN, and GND pins. It is suitable for single cell

Li−Ion applications as well as 3/4 cell NiCD/NiMH applications.

Features

CNTRL

• Overvoltage Turn−Off Time of Less Than 1.0 msec

• Accurate Voltage Threshold of 4.45 V and 5.5 V (Nominal)

• CNTRL Input Compatible with 1.8 V Logic Levels

• These are Pb−Free Devices

(Top View)

xxx = SQZ for NCP346SN1

= SRD for NCP346SN2

= Asembly Location

= Year

= Work Week

Typical Applications

= Pb−Free Package

• Cellular Phones

• Digital Cameras

• Portable Computers and PDAs

• Portable CD and other Consumer Electronics

(Note: Microdot may be in either location)

ORDERING INFORMATION

†

Device

Package

Shipping

NCP346SN1T1G

SOT−23−5 3000 / Tape & Reel

(Pb−Free) (7 inch Reel)

NCP346SN2T1G

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

Schottky

Diode

P−CH

AC/DC Adapter or

Accessory Charger

(optional)

−

LOAD

FET

Driver

(optional)

Logic

OUT

ref

NCP346

GND

CNTRL

Microprocessor port

Note: This device contains 89 active transistors

Figure 1. Simplified Application Diagram

Publication Order Number:

September, 2006 − Rev. 6

NCP346/D

12 3 4 5 6 7...15

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与NCP346_06相关器件

型号	品牌	获取价格	描述	数据表
NCP346SN1T1	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, PLASTIC, SOT-23, 5 PIN
NCP346SN1T1G	ONSEMI	获取价格	Overvoltage Protection IC
NCP346SN2T1	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5, PLASTIC, SOT-23, 5 PIN
NCP346SN2T1G	ONSEMI	获取价格	Overvoltage Protection IC
NCP347	ONSEMI	获取价格	Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG
NCP347_10	ONSEMI	获取价格	Positive Overvoltage Protection Controller
NCP347MTAETBG	ONSEMI	获取价格	Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG
NCP347MTAFTBG	ONSEMI	获取价格	Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG
NCP347MTAHTBG	ONSEMI	获取价格	Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG
NCP347MTAITBG	ONSEMI	获取价格	Positive Overvoltage Protection Controller

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