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參數(shù)資料
| 型號(hào)： | MC33161D |
| 廠商： | MOTOROLA INC |
| 元件分類： | 電源管理 |
| 英文描述： | Tag-it(TM) HF-I Standard Transponder Inlays CD 0-RFIDN |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, SO-8 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 292K |
| 代理商： | MC33161D |
MC34161 MC33161
11
MOTOROLA ANALOG IC DEVICE DATA
The above figure shows the MC34161 configured as an overvoltage detector with an audio alarm. Channel 1 monitors input voltage VS while channel 2 is connected
as a simple RC oscillator. As the input voltage increases from ground, the output of channel 1 allows the oscillator to turn ‘ON’ when VS exceeds V2.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
Figure 23. Overvoltage Detector with Audio Alarm
V
1
(V
th
V
H
)
R
2
R
1
1
V
2
V
th
R
2
R
1
1
R
2
R
1
V
1
V
th
V
H
1
R
2
R
1
V
2
V
th
1
+
1.27V
+
1.27V
+
2.8V
+
0.6V
+
–
2.54V
Reference
–
+
–
+
+
–
4
1
7
2
3
5
6
8
VCC
RA
VS
R1
R2
RB
CT
V2
V1
Input VS
Output
Voltage
Pins 5, 6
Gnd
VCC
Gnd
Osc ‘ON’
VHys
Piezo
The above figure shows the MC34161 configured as a microprocessor reset with a time delay. Channel 2 monitors input voltage VS while channel 1 performs the time
delay function. As the input voltage decreases towards ground, the output of channel 2 quickly discharges CDLY when VS falls below V1. As the input voltage increases
from ground, the output of channel 2 allows RDLY to charge CDLY when VS exceeds V2.
For known resistor values, the voltage trip points are:
For a specific trip voltage, the required resistor ratio is:
Figure 24. Microprocessor Reset with Time Delay
V
1
(V
th
V
H
)
R
2
R
1
1
V
2
V
th
R
2
R
1
1
For known RDLY CDLY values, the reset time delay is:
R
2
R
1
V
1
V
th
V
H
1
R
2
R
1
V
2
V
th
1
+
1.27V
+
1.27V
+
2.8V
+
0.6V
+
–
–
+
–
+
+
–
4
1
7
2
3
5
6
2.54V
Reference
8
VCC
R3
RDLY
VS
R1
R2
CDLY
Input VS
Output
Voltage
Pin 6
V2
V1
Gnd
VCC
Gnd
VCC
Gnd
VHys
tDLY
Reset LED ‘ON’
Output
Voltage
Pin 5
1
1 –
Vth
VCC
tDLY = RDLYCDLY In
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33161DG | 功能描述:監(jiān)控電路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC33161DG | 制造商:ON Semiconductor 功能描述:Voltage Regulator IC Voltage Regulator T |
| MC33161DMR2 | 功能描述:監(jiān)控電路 Universal Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC33161DMR2G | 功能描述:監(jiān)控電路 Universal Voltage Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MC33161DR2 | 功能描述:監(jiān)控電路 Universal Voltage RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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