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參數(shù)資料
| 型號： | MC34161D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 電源管理 |
| 英文描述： | Single Output LDO, 250mA, Fixed(5.0V), Low Noise, Fast Transient Response 8-SOIC -40 to 85 |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, SO-8 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 292K |
| 代理商： | MC34161D |
MC34161 MC33161
8
MOTOROLA ANALOG IC DEVICE DATA
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
–VS1 or –VS2 exceeds V2. 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 –VS1 or –VS2 falls below V1.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
Figure 17. Dual Negative Overvoltage Detector
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
th
V
H
V
H
V
ref
+
1.27V
+
1.27V
+
2.8V
+
0.6V
+
–
2.54V
Reference
–
+
–
+
+
–
4
1
7
2
3
5
6
R1
–VS1
R1
–VS2
R2
R2
8
VCC
Input –VS
Output
Voltage
Pins 5, 6
Gnd
V1
V2
VCC
LED ‘ON’
VHys
Gnd
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 –VS1 or –VS2 falls below V1. 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 –VS1 or –VS2 exceeds V2.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
Figure 18. Dual Negative Undervoltage Detector
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
th
V
H
V
H
V
ref
+
1.27V
+
1.27V
+
2.8V
+
0.6V
+
–
8
–
+
–
+
+
–
4
1
7
2
3
5
6
R1
–VS1
R1
–VS2
2.54V
Reference
R2
R2
VCC
VHys
Input –VS
Output
Voltage
Pins 5, 6
Gnd
V1
V2
VCC
LED ‘ON’
Gnd
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC34161DG | 功能描述:監(jiān)控電路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC34161DG | 制造商:ON Semiconductor 功能描述:Voltage Detector / Microprocessor Superv |
| MC34161DMR2 | 功能描述:監(jiān)控電路 Universal Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC34161DMR2G | 功能描述:監(jiān)控電路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC34161DR2 | 功能描述:監(jiān)控電路 Universal Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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