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参数资料
| 型号： | NCP304HSQ30T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 19/24页 |
| 文件大小： | 0K |
| 描述： | IC VOLT DETECT CMOS 3.0V SC-82AB |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 电压 - 阀值： | 3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-82A，SOT-343 |
| 供应商设备封装： | SC-82AB |
| 包装： | 剪切带 (CT) |
| 其它名称： | NCP304HSQ30T1GOSCT |
NCP304, NCP305
V supply
This circuit monitors the current at the load. As
Load
V D D
current flows through the load, a voltage drop with
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
NCP301
NCP305
LSN27T1
LSQ09T1
1
Reset Output
Microcontroller
4
GND
GND
Figure 31. Microcontroller Systems Load Sensing
V supply
2
Input
1
NCP301
NCP305
LSN27T1
LSQ45T1
Reset
Output
4
GND
Input
2
1
NCP301
NCP305
LSN27T1
LSQ27T1
Reset
Output
GND
4
V in = 1.0 V to 10 V
2
Input
NCP301
NCP305
LSN27T1
LSQ18T1
1
Reset
Output
4
GND
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 32. LED Bar Graph
http://onsemi.com
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| NCP304HSQ31T1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Voltage Detector Series |
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