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參數(shù)資料
| 型號： | MAX6749KA |
| 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/看門狗超時周期 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 187K |
| 代理商： | MAX6749KA |
M
μP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +5V, T
A
= +25
°
C, unless otherwise noted.)
RESET TIMEOUT PERIOD vs. C
SRT
M
C
SRT
(pF)
R
10,000
1000
1
10
100
1000
10,000
0.1
100
100,000
WATCHDOG TIMEOUT PERIOD vs. C
SWT
M
C
SWT
(pF)
W
10,000
1000
1
10
100
1000
10,000
100,000
0.1
100
100,000
MAX6746–MAX6751
EXTENDED MODE
NORMAL MODE
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
μ
A
5
4
3
2
2
1
3
4
5
6
0
1
6
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
100
75
50
25
0
-25
0.95
1.00
1.05
1.10
1.15
1.20
0.90
-50
125
C
SRT
= 100pF
C
SRT
= 1500pF
NORMALIZED WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
1.20
M
TEMPERATURE (
°
C)
N
100
75
50
25
0
-25
0.95
0.90
0.85
1.00
1.05
1.10
1.15
0.80
-50
125
C
SWT
= 100pF
C
SWT
= 1500pF
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
M
RESET THRESHOLD OVERDRIVE (mV)
T
μ
s
800
600
400
200
25
50
75
100
125
150
175
0
0
1000
RESET OCCURS
ABOVE THE CURVE
V
TH
= 2.92V
SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
μ
A
100
75
25
50
0
-25
1
2
3
4
5
6
0
-50
125
V
CC
= 3.3V
V
CC
= 1.8V
V
CC
= 5V
NORMALIZED RESET IN THRESHOLD VOLTAGE
vs. TEMPERATURE
1.010
V
CC
= 5V
M
TEMPERATURE (
°
C)
N
100
75
50
25
0
-25
0.994
0.992
0.996
1.000
0.998
1.004
1.002
1.008
1.006
0.990
-50
125
RESET IN THRESHOLD
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
R
5
4
3
2
1.236
1.237
1.238
1.239
1.240
1.235
1
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6749KA+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.2UA 8PIN SOT-23 - Rail/Tube |
| MAX6749KA+T | 功能描述:監(jiān)控電路 Single 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 |
| MAX6749KA-T | 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 |
| MAX674AK/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX674CPA | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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