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參數(shù)資料
| 型號(hào)： | SP791EN |
| 英文描述： | Low Power Microprocessor Supervisory with Battery Switch-Over |
| 中文描述： | 低功耗微處理器監(jiān)控與電池開(kāi)關(guān)過(guò) |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大小： | 202K |
| 代理商： | SP791EN |
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3
SP791DS/08 SP791 Low Power Microprocessor Supervisory with Battery Switch-Over
Copyright 2000 Sipex Corporation
ELECTRICAL CHARACTERISTICS (continued)
(Vcc = 4.75V to 5.5V, V
BATT
= 2.8V, T
A
= T
MIN
to T
MAX
unless otherwise noted, typicals specified at 25
o
C)
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
BATT ON Output
Low Voltage
BATT ON Output
Short Circuit Current
RESET, LOW-LINE AND WATCHDOG TIMER
RESET Threshold Voltage
RESET Threshold Hysteresis
LOWLINE-to-RESET
Threshold Voltage
V
CC
-to-RESET Delay
V
CC
-to-LOWLINE Delay
RESET Active Timeout Period
Watchdog Timeout Period
Minimum Watchdog
Timeout Period
Minimum Watchdog Input
Pulse Width
WDPO Pulse Width
WDPO-to-WDO Delay
RESET Output Voltage
0.1
0.7
60
15
0.4
1.5
V
I
SINK
= 3.2mA
I
SINK
= 25mA
mA
μ
A
Sink Current
1
100
Source Current
4.50
4.65
15
150
4.75
V
mV
mV
100
80
200
1.6
10
μ
s
μ
s
ms
sec
ms
Power down
Power down
140
1.0
280
2.25
Power up
SWT connected to V
OUT
4.7nF capacitor connected from
SWT to GND
100
ns
V
IL
= 0.8V, V
IH
= 0.75 X V
CC
1
70
ms
ns
V
0.004
0.1
0.3
0.4
I
SINK
=50
μ
A,V
CC
=1.0V,V
CC
I
SINK
= 3.2 mA, V
CC
= 4.25V
I
SOURCE
= 1.6mA, V
CC
= 5V
3.5
RESET Output
Short-Circuit Current
LOWLINE Output Voltage
7
20
0.4
mA
V
Output source current
I
SINK
= 3.2mA, V
CC
= 4.25V
I
SOURCE
= 1
μ
A, V
CC
= 5V
3.5
LOWLINE Output
Short-Circuit Current
WDO Output Voltage
15
100
μ
A
Output source current
0.4
V
I
SINK
= 3.2mA
I
SOURCE
= 500
μ
A, V
CC
= 5V
3.5
WDO Output Short-Circuit
Current
WDPO Output Voltage
3
10
mA
Output source currrent
0.4
V
I
SINK
= 3.2mA
I
SOURCE
= 1mA
3.5
WDPO Output Short-Circuit
Current
7
20
mA
Output source current
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SP791EN-L | 功能描述:監(jiān)控電路 LW PWR MICRO 5.5V 25mA-250mA BAT SW/OV 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(guò)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(kāi)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 |
| SP791EN-L/TR | 功能描述:監(jiān)控電路 LW PWR MICRO 5.5V 25mA-250mA BAT SW/OV 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(guò)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(kāi)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 |
| SP791EP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Power Microprocessor Supervisory with Battery Switch-Over |
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