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参数资料
| 型号： | NCP304HSQ29T1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 16/24页 |
| 文件大小： | 0K |
| 描述： | IC DETECTOR VOLTAGE 2.9V SC82AB |
| 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： | 2.9V |
| 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： | NCP304HSQ29T1GOSCT |
NCP304, NCP305
OPERATING DESCRIPTION
The NCP304 and NCP305 series devices are second
generation ultra ? low current voltage detectors. Figures 25
and 26 show a timing diagram and a typical application.
Initially consider that input voltage V in is at a nominal level
and it is greater than the voltage detector upper threshold
(V DET+ ), and the reset output (Pin 1) will be in the high state
for active low devices, or in the low state for active high
devices. If there is a power interruption and V in becomes
significantly deficient, it will fall below the lower detector
threshold (V DET ? ). This sequence of events causes the Reset
output to be in the low state for active low devices, or in the
high state for active high devices. After completion of the
power interruption, V in will again return to its nominal level
and become greater than the V DET+ . The voltage detector
has built ? in hysteresis to prevent erratic reset operation as
the comparator threshold is crossed.
Although these device series are specifically designed for
use as reset controllers in portable microprocessor based
systems, they offer a cost ? effective solution in numerous
applications where precise voltage monitoring is required.
Figure 26 through Figure 32 shows various application
examples.
Input Voltage, Pin 2
Reset Output (Active Low), Pin 1
Reset Output (Active High), Pin 1
V in
V DET +
V DET ?
V in
V DET +
V DET ?
0V
V in
V DET +
V DET ?
0V
Figure 25. Timing Waveforms
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP304HSQ30T1 | 功能描述:电压监测器/监控器 3.0V 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 |
| NCP304HSQ30T1G | 功能描述:电压监测器/监控器 3.0V Detector w/Reset High 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 |
| NCP304HSQ31T1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP304HSQ32T1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Voltage Detector Series |
| NCP304HSQ33T1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Voltage Detector Series |
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