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NCP346SN2T1G

更新时间： 2024-09-18 22:21:15
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
15页 386K
描述
Overvoltage Protection IC

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中文翻译

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NCP346SN2T1G 技术参数

是否无铅： 不含铅生命周期：Obsolete
零件包装代码：SOT-23包装说明：LEAD FREE, TSOT-23, 5 PIN
针数：5Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.3可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G5
JESD-609代码：e3长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：5
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSOP5/6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：2.5/25 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Power Management Circuits
最大供电电流 (Isup)：1.2 mA最大供电电压 (Vsup)：25 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin (Sn)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：1.5 mmBase Number Matches：1

NCP346SN2T1G 数据手册

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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  
5
1
PIN CONNECTIONS &  
MARKING DIAGRAM  
between the V , IN, and GND pins. It is suitable for single cell  
CC  
Li−Ion applications as well as 3/4 cell NiCD/NiMH applications.  
OUT  
V
CC  
1
2
3
5
Features  
GND  
• 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  
4
CNTRL  
IN  
(Top View)  
xxx = SQZ for NCP346SN1  
xxx = SRD for NCP346SN2  
Typical Applications  
Y
= Year  
W
= Work Week  
• Cellular Phones  
• Digital Cameras  
ORDERING INFORMATION  
• Portable Computers and PDAs  
• Portable CD and other Consumer Electronics  
†
Device  
Package  
Shipping  
NCP346SN1T1G  
NCP346SN2T1G  
SOT−23−5 3000 / Tape & Reel  
(Pb−Free) (7 inch Reel)  
†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)  
IN  
V
CC  
+
+
−
C1  
LOAD  
FET  
Driver  
(optional)  
Logic  
OUT  
V
ref  
NCP346  
GND  
CNTRL  
Microprocessor port  
Note: This device contains 89 active transistors  
Figure 1. Simplified Application Diagram  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
December, 2004 − Rev. 4  
NCP346/D  
 
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