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參數(shù)資料
| 型號(hào)： | MAX6747KA46 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | UP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay |
| 中文描述： | 復(fù)位電路的電容可調(diào)的復(fù)位/看門狗超時(shí)周期 |
| 文件頁(yè)數(shù)： | 2/14頁(yè) |
| 文件大?。?/td> | 187K |
| 代理商： | MAX6747KA46 |
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M
μP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND...........................................................-0.3V to +6.0V
SRT, SWT, SET0, SET1, RESET IN, WDS,
MR
,
WDI, to GND.......................................
…
-0.3V to (V
CC
+ 0.3V)
RESET
(Push-Pull) to GND......................
…
-0.3V to (V
CC
+ 0.3V)
RESET
(Open Drain) to GND.............................
…
-0.3V to +6.0V
Input Current (All Pins) .....................................................±20mA
Output Current (
RESET
) ...................................................±20mA
ELECTRICAL CHARACTERISTICS
(V
CC
= +1.2V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at V
CC
= +5V and T
A
= +25
°
C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin SOT23 (derate 8.9mW/
°
C above +70
°
C)............714mW
Operating Temperature Range .........................-40
°
C to +125
°
C
Storage Temperature Range ............................-65
°
C to +150
°
C
Junction Temperature......................................................+150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
CONDITIONS
MIN
1.0
1.2
TYP
MAX
5.5
5.5
10
9
8
UNITS
T
A
= 0
°
C to +125
°
C
T
A
= -40
°
C to 0
°
C
V
CC
≤
5.5V
V
CC
≤
3.3V
V
CC
≤
2.0V
See V
TH
selection table
Supply Voltage
V
CC
V
5
4.2
3.7
Supply Current
I
CC
μA
V
CC
Reset Threshold
V
TH
TA = -40
°
C to+125
°
C
V
TH
-
2%
V
TH
+
2%
V
Hysteresis
V
HYST
0.8
%
V
CC
to Reset Delay
V
CC
falling from V
TH
+ 100mV to V
TH
-
100mV at 1mV/μs
20
μs
C
SRT
= 1500pF
C
SRT
= 100pF
V
SRT
= 0 to 1.23V; V
CC
= 1.6V to 5V
V
CC
= 1.6V to 5V (V
RAMP
rising)
C
SWT
= 1500pF
C
SWT
= 100pF
C
SWT
= 1500pF
C
SWT
= 100pF
C
SWT
= 1500pF
C
SWT
= 100pF
5.692
7.590
0.506
250
1.235
7.590
0.506
971.5
64.77
971.5
64.77
9.487
Reset Timeout Period
t
RP
ms
SRT
Ramp Current
SRT
Ramp Threshold
Normal Watchdog Timeout Period
(MAX6746
–
MAX6751)
I
RAMP
V
RAMP
200
1.173
5.692
300
1.297
9.487
nA
V
t
WD
ms
728.6
1214.4
Extended Watchdog Timeout
(MAX6746
–
MAX6751)
t
WD
ms
728.6
1214.4
Slow Watchdog Period
(MAX6752/MAX6753)
t
WD2
ms
C
SWT
= 1500pF
91.08
121.43
151.80
Fast Watchdog Timeout Period,
SET Ratio = 8,
(MAX6752/MAX6753)
t
WD1
C
SWT
= 100pF
8.09
ms
C
SWT
= 1500pF
45.53
60.71
75.89
Fast Watchdog Timeout Period,
SET Ratio = 16,
(MAX6752/MAX6753)
t
WD1
C
SWT
= 100pF
4.05
ms
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6747KA46/V+ | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6747KA46/V+ PROCESSOR SUPERVISORS - Tape and Reel 制造商:Maxim 功能描述:Maxim MAX6747KA46/V+ Processor Supervisors |
| MAX6747KA46/V+T | 功能描述:監(jiān)控電路 Single uPower Supervisor 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 |
| MAX6747KA46+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.625V 4.2UA 8PIN SOT-23 - Rail/Tube |
| MAX6747KA46+T | 功能描述:監(jiān)控電路 Single uPower Supervisor 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 |
| MAX6747KA46-T | 功能描述:監(jiān)控電路 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 |
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