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NCP302 PDF预览

NCP302

更新时间: 2024-11-30 22:03:11
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
26页 190K
描述
Voltage Detector Series with Programmable Delay

NCP302 数据手册

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NCP302, NCP303  
Voltage Detector Series  
with Programmable Delay  
The NCP302 and NCP303 series are second generation ultra−low  
current voltage detectors that contain a programmable time delay  
generator. These devices are specifically designed for use as reset  
controllers in portable microprocessor based systems where extended  
battery life is paramount.  
http://onsemi.com  
Each series features a highly accurate undervoltage detector with  
hysteresis and an externally programmable time delay generator. This  
combination of features prevents erratic system reset operation.  
The NCP302 series consists of complementary output devices that  
are available with either an active high or active low reset. The  
NCP303 series has an open drain N−Channel output with an active low  
reset output.  
5
1
THIN SOT23−5/TSOP−5/SC59−5  
CASE 483  
Features  
PIN CONNECTIONS AND  
MARKING DIAGRAM  
Quiescent Current of 0.5 mA Typical  
High Accuracy Undervoltage Threshold of 2.0%  
Externally Programmable Time Delay Generator  
Wide Operating Voltage Range of 0.8 V to 10 V  
Complementary or Open Drain Output  
Active Low or Active High Reset  
Reset  
Output  
1
2
3
5
C
D
Input  
4
N.C.  
Ground  
Pb−Free Packages are Available  
(Top View)  
xxx =Specific Device Code  
Typical Applications  
Y
= Year  
Microprocessor Reset Controller  
Low Battery Detection  
W
= Work Week  
Power Fail Indicator  
Battery Backup Detection  
ORDERING INFORMATION  
See detailed ordering and shipping information in the ordering  
information section on page 22 of this data sheet.  
NCP303LSNxxT1  
NCP302xSNxxT1  
Open Drain Output Configuration  
Complementary Output Configuration  
2
Input  
1
Reset Output  
2
Input  
R
R
D
D
1
Reset  
Output  
*
V
ref  
V
ref  
3
GND  
5
C
D
3
GND  
5
C
D
* Inverter for active low devices.  
* Buffer for active high devices.  
This device contains 28 active transistors.  
Figure 1. Representative Block Diagrams  
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
January, 2005 − Rev. 14.5  
NCP302/D  

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