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参数资料
| 型号： | MC33161DG |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/18页 |
| 文件大小： | 0K |
| 描述： | IC VOLTAGE MONITOR UNIV 8-SOIC |
| 标准包装： | 98 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 开路漏极或开路集电极 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 管件 |
| 产品目录页面： | 1128 (CN2011-ZH PDF) |
| 其它名称： | MC33161DG-ND MC33161DGOS |
MC34161, MC33161, NCV33161
V CC
8
2.54V
GND
R 2
1
Reference
-
V 1
Input -V S
V 2
Output V CC
Voltage
Pins 5, 6 GND
V Hys
LED `ON'
-V S1
-V S2
R1
R 2
R1
7
2 +
3 +
+
-
1.27V
+
-
+
+
+
2.8V
-
+
0.6V
6
5
1.27V
4
The above figure shows the MC34161 configured as a dual negative overvoltage detector. As the input voltage increases from ground, the LED will turn ‘ON’ when
? V S1 or ? V S2 exceeds V 2 . With the dashed line output connection, the circuit becomes a dual negative undervoltage detector. As the input voltage decreases from
the peak towards ground, the LED will turn ‘ON’ when ? V S1 or ? V S2 falls below V 1 .
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
V 1 +
R 1
R 2
(V th * V ref ) ) V th
V 2 +
R 1
R 2
(V th * V H * V ref ) ) V th * V H
R 1
R 2
+
V 1 * V th
V th * V ref
R 1
R 2
+
V 2 * V th ) V H
V th * V H * V ref
Figure 18. Dual Negative Overvoltage Detector
V CC
8
2.54V
GND
R 2
1
Reference
-
V 1
Input -V S
V 2
Output V CC
Voltage
Pins 5, 6 GND
V Hys
LED `ON'
-V S1
-V S2
R1
R 2
R1
7
2 +
3 +
+
-
1.27V
+
-
1.27V
+
+
+
2.8V
-
+
0.6V
6
5
4
The above figure shows the MC34161 configured as a dual negative undervoltage detector. As the input voltage decreases towards ground, the LED will turn ‘ON’
when ? V S1 or ? V S2 falls below V 1 . With the dashed line output connection, the circuit becomes a dual negative overvoltage detector. As the input voltage increases
from ground, the LED will turn ‘ON’ when ? V S1 or ? V S2 exceeds V 2 .
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
V 1 +
R 1
R 2
(V th * V ref ) ) V th
V 2 +
R 1
R 2
(V th * V H * V ref ) ) V th * V H
R 1
R 2
+
V 1 * V th
V th * V ref
R 1
R 2
+
V 2 * V th ) V H
V th * V H * V ref
Figure 19. Dual Negative Undervoltage Detector
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33161DG | 制造商:ON Semiconductor 功能描述:Voltage Regulator IC Voltage Regulator T |
| MC33161DMR2 | 功能描述:监控电路 Universal Voltage RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MC33161DMR2G | 功能描述:监控电路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MC33161DR2 | 功能描述:监控电路 Universal Voltage RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MC33161DR2G | 功能描述:监控电路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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