参数资料
型号: NCP303LSN17T1G
厂商: ON Semiconductor
文件页数: 19/26页
文件大小: 0K
描述: IC VOLT DETECTOR 1.7V 5TSOP
标准包装: 3,000
类型: 简单复位/加电复位
监视电压数目: 1
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 可调节/可选择
电压 - 阀值: 1.7V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 6-TSOP(0.059",1.50mm 宽)5 引线
供应商设备封装: 5-TSOP
包装: 带卷 (TR)
NCP302, NCP303
V supply
This circuit monitors the current at the load. As
current flows through the load, a voltage drop with
Load
V D D
respect to ground appears across R sense where
V sense = I load * R sense. The following conditions apply:
R sense
2
Input
50 k
If:
I Load t V DET ? /R sense
I Load w (V DET ? +V HYS )/R sense
Then:
Reset Output = 0 V
Reset Output = V DD
5
C D
NCP301
NCP303
LSN27T1
LSN09T1
GND
3
1
Reset Output
Microcontroller
GND
Figure 43. Microcontroller Systems Load Sensing
V supply
2
Input
V in = 1.0 V to 10 V
5
C D
5
C D
5
C D
NCP301
NCP303
LSN27T1
LSN45T1
3
GND
Input
2
NCP301
NCP303
LSN27T1
GND
3
2
Input
NCP301
NCP303
LSN27T1
LSN18T1
3
GND
1
Reset
Output
1
Reset
Output
1
Reset
Output
A simple voltage monitor can be constructed by connecting several voltage detectors as shown above. Each LED will
sequentially turn on when the respective voltage detector threshold (V DET ? +V HYS ) is exceeded. Note that detector
thresholds (V DET ? ) that range from 0.9 V to 4.9 V in 100 mV steps can be manufactured.
Figure 44. LED Bar Graph Voltage Monitor
http://onsemi.com
19
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相关代理商/技术参数
参数描述
NCP303LSN18T1 功能描述:电压监测器/监控器 1.8V Detector RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT
NCP303LSN18T1G 功能描述:电压监测器/监控器 1.8V Detector w/Reset Low RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT
NCP303LSN19T1 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:
NCP303LSN20T1 功能描述:电压监测器/监控器 2.0V Detector RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT
NCP303LSN20T1G 功能描述:电压监测器/监控器 2.0V Detector w/Reset Low RoHS:否 制造商:Texas Instruments 监测电压数:2 监测电压:Adjustable 输出类型:Open Drain 欠电压阈值: 过电压阈值: 准确性:1 % 工作电源电压:1.5 V to 6.5 V 工作电源电流:1.8 uA 最大工作温度:+ 125 C 封装 / 箱体:SON-6 安装风格:SMD/SMT