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参数资料
| 型号： | MC33161DG |
| 厂商： | ON Semiconductor |
| 文件页数： | 10/18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
V 4
V 2
+
Input V S
Output
Voltage
Pins 5, 6
CH2
V 3
CH1
V 1
GND
V CC
GND
`ON'
V Hys2
V Hys1
LED `OFF'
LED `ON'
`OFF'
LED `ON'
V S
R 3
R 2
R 1
1
7
2 +
3 +
+
-
1.27V
+
-
1.27V
2.54V
Reference
-
+
2.8V
-
+ +
0.6V
6
5
4
The above figure shows the MC34161 configured as a positive voltage window detector. This is accomplished by connecting channel 1 as an undervoltage detector,
and channel 2 as an overvoltage detector. When the input voltage V S falls out of the window established by V 1 and V 4 , the LED will turn ‘ON’. As the input voltage
falls within the window, V S increasing from ground and exceeding V 2 , or V S decreasing from the peak towards ground and falling below V 3 , the LED will turn ‘OFF’.
With the dashed line output connection, the LED will turn ‘ON’ when the input voltage V S is within the window.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
V 1 + (V th1 * V H1 )
R 3
R 1 ) R 2
) 1
V 3 + (V th2 * V H2 )
R 2 ) R 3
R 1
) 1
R 2
R 1
+
V 3 (V th2 * V H2 )
V 1 (V th1 * V H1 )
* 1
R 3
R 1
+
V 3 (V 1 * V th1 ) V H1 )
V 1 (V th2 * V H2 )
V 2 + V th1
R 3
R 1 ) R 2
) 1
V 4 + V th2
R 2 ) R 3
R 1
) 1
R 2
R 1
+
V 4 x V th1
V 2 x V th2
* 1
R 3
R 1
+
V 4 (V 2 * V th1 )
V 2 x V th2
Figure 20. Positive Voltage Window Detector
V CC
8
2.54V
GND
1
Reference
V 1
Input -V S
CH2
V 2
CH1 V 3
V 4
V Hys1
V Hys2
R 3
R 2
7
2 +
+
-
1.27V
+
-
+
2.8V
-
6
+
+
Output
Voltage
Pins 5, 6
V CC
GND
`ON'
LED `OFF'
LED `ON'
`OFF'
LED `ON'
R 1
3 +
+
-
1.27V
0.6V
5
-V S
4
The above figure shows the MC34161 configured as a negative voltage window detector. When the input voltage ? V S falls out of the window established by V 1
and V 4 , the LED will turn ‘ON’. As the input voltage falls within the window, ? V S increasing from ground and exceeding V 2 , or ? V S decreasing from the peak towards
ground and falling below V 3 , the LED will turn ‘OFF’. With the dashed line output connection, the LED will turn ‘ON’ when the input voltage ? V S is within the window.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
V 1 +
R 1 (V th2 * V ref )
R 2 ) R 3
) V th2
R 1
R 2 ) R 3
+
V 1 * V th2
V th2 * V ref
V 2 +
V 3 +
R 1 (V th2 * V H2 * V ref )
R 2 ) R 3
(R 1 ) R 2 )(V th1 * V ref )
R 3
) V th2 * V H2
) V th1
R 1
R 2 ) R 3
R 3
R 1 ) R 2
+
+
V 2 * V th2 ) V H2
V th2 * V H2 * V ref
V th1 * V ref
V 3 * V th1
V 4 +
(R 1 ) R 2 )(V th1 * V H1 * V ref )
R 3
) V th1 * V H1
R 3
R 1 ) R 2
+
V th1 * V H1 * V ref
V 4 ) V H1 * V th1
Figure 21. Negative Voltage Window Detector
http://onsemi.com
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相关代理商/技术参数 |
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| 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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