參數(shù)資料
型號: MAX6302
廠商: Maxim Integrated Products, Inc.
英文描述: +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog
中文描述: +5V、低功耗、微處理器監(jiān)控電路,帶有可調(diào)節(jié)的復(fù)位/看門狗定時器
文件頁數(shù): 3/12頁
文件大?。?/td> 102K
代理商: MAX6302
M
+5V, Low-Power μP S upervisory Circ uits
with Adjustable Reset/Watc hdog
_______________________________________________________________________________________
3
10,000
0
0.001
0.01
0.1
1
10
100
1000
RESET TIMEOUT PERIOD
vs. C
SRT
1
6
C
SRT
(nF)
R
10
100
1000
V
CC
= 5V
10,000
0
0.001
0.01
0.1
1
10
100
1000
EXTENDED-MODE
WATCHDOG TIMEOUT PERIOD vs. C
SWT
(WDS = V
CC
)
1
6
C
SWT
(nF)
W
10
100
1000
V
CC
= 5V
10,000
0.1
0.001
0.01
0.1
1
10
100
1000
NORMAL-MODE
WATCHDOG TIMEOUT PERIOD vs. C
SWT
(WDS = GND)
1
6
C
SWT
(nF)
W
10
100
1000
V
CC
= 5V
CONDITIONS
V
CC
= 4.5V to 5.5V
V
CC
= 2V to 4.5V
Extended mode disabled
0.7V
CC
V
IL
30
60
t
WP
WDI Pulse Width
WDI, WDS Input Threshold
ns
V
IH
ms
sec
0.3V
CC
V
WDI, WDS Leakage Current
±1
μA
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
WDI Sink/Source Current
(Note 4)
Extended mode enabled
±70
μA
t
WD
WDS = GND, C
SWT
= 1500pF
WDS = V
CC
, C
SWT
= 1500pF
2.8
1.4
4.0
2.0
5.2
2.6
Watchdog Timeout Period
(Note 3)
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25°C.)
WATCHDOG TIMER
Note 1:
Reset is guaranteed valid from the selected reset threshold voltage down to the minimum V
CC
.
Note 2:
VDS = V
CC
, WDI unconnected.
Note 3:
Precision timing currents of 500nA are present at both the SRT and SWT pins. Timing capacitors connected to these nodes
must have low leakage consistent with these currents to prevent timing errors.
Note 4:
The sink/source is supplied through a resistor, and is proportional to V
CC
(Figure 8). At V
CC
= 2V, it is typically ±24μA.
__________________________________________Typic al Operating Charac teristic s
(C
SWT
= C
SRT
= 1500pF, T
A
= +25°C, unless otherwise noted.)
相關(guān)PDF資料
PDF描述
MAX6301 +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog
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MAX6302CPA 功能描述:監(jiān)控電路 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(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
MAX6302CPA+ 功能描述:監(jiān)控電路 5V uPower Supervisor 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(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
MAX6302CSA 功能描述:監(jiān)控電路 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(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
MAX6302CSA+ 功能描述:監(jiān)控電路 5V uPower Supervisor 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(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
MAX6302CSA+T 功能描述:監(jiān)控電路 5V uPower Supervisor 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(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