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参数资料
| 型号： | MC34164LP |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 电源管理 |
| 英文描述： | 5V UNDERVOLTAGE SENSING CIRCUIT |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3 |
| 封装： | LEAD FREE, PLASTIC, TO-92, 3 PIN |
| 文件页数： | 5/8页 |
| 文件大小： | 150K |
| 代理商： | MC34164LP |
MC34164 MC33164
5
MOTOROLA ANALOG IC DEVICE DATA
TA = 0
°
C
VO
0
ISink, SINK CURRENT (mA)
4.0
8.0
12
16
20
TA = 70
°
C
TA = 0
°
C
Vin, Reset = 4 V
Figure 9. MC3X164–3 Reset Output
Saturation versus Sink Current
Figure 10. MC3X164–5 Reset Output
Saturation versus Sink Current
Figure 11. Clamp Diode Forward Current
versus Voltage
VO
Figure 12. Reset Delay Time
(MC3X164–5 Shown)
0
VSink, SINK CURRENT (mA)
4.0
8.0
12
16
, FORWARD VOLTAGE (V)
0.4
0.8
1.2
1.6
IF
20
TA = 25
°
C
Figure 13. Low Voltage Microprocessor Reset
Power
Supply
1.2 Vref
Microprocessor
Circuit
2 (2)
R
1 (1)
3 (4)
Reset
CDLY
A time delayed reset can be accomplished with the addition of CDLY. For systems with extremely fast power
supply rise times (< 500 ns) it is recommended that the RCDLY time constant be greater than 5.0
μ
s. Vth(MPU) is
the microprocessor reset input threshold.
tDLY = RCDLY In
1 –
Vth(MPU)
Vin
1
TA = 25
°
C
TA = 0
°
C
TA = 70
°
C
TA = 25
°
C
TA = 70
°
C
Vin = 0 V
TA = 25
°
C
VF
Vin = 2.4 V
TA = 70
°
C
TA = 0
°
C
TA = 25
°
C
Reset
Vin
Vin = 5.0 V to 4.0 V
RL = 43 k
TA = 25
°
C
Reset
Vin
5.0V
4.0V
Ref
43k
90%
5.0 V
4.0 V
5.0
μ
s/DIV
10
%
4.0
3.0
2.0
1.0
0
4.0
3.0
2.0
1.0
0
32
24
16
8.0
0
0
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PDF描述 |
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| MC33164-3LP | 3V UNDERVOLTAGE SENSING CIRCUIT |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC34164P-003 | 功能描述:监控电路 2.65V UnderVoltage 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 |
| MC34164P-005 | 功能描述:监控电路 4.27V UnderVoltage 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 |
| MC34164P-3 | 制造商:Motorola Inc 功能描述:Voltage Detector, Fixed, +2.7V, 3 Pin, Plastic, SIP |
| MC34164P-3G | 功能描述:监控电路 2.65V UnderVoltage Sensing Circuit 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 |
| MC34164P-3RP | 功能描述:监控电路 2.65V UnderVoltage 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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