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參數(shù)資料
| 型號： | MAX6886ETP+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| 中文描述： | 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封裝： | 5 X 5 MM, 0.8 MM HEIGHT, TQFN-20 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 226K |
| 代理商： | MAX6886ETP+T |
MAX6886
Pin-Selectable, Hex Power-Supply
Supervisory Circuit
_______________________________________________________________________________________
5
PROPAGATION
DELAY
(
s)
1.25
1.50
1.75
2.00
2.50
2.25
2.75
3.00
1.00
MR TO RESET OUTPUT PROPAGATION
DELAY vs. TEMPERATURE
MAX6886
toc09
TEMPERATURE (
°C)
60
35
10
-15
-40
85
RESET TIMEOUT PERIOD vs. TEMPERATURE
(CRST = 0.047
F)
TIMEOUT
PERIOD
(ms)
110
120
130
140
150
160
170
180
190
200
100
MAX6886
toc10
TEMPERATURE (
°C)
60
35
10
-15
-40
85
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE (CSWT = 0.33
F)
TIMEOUT
PERIOD
(s)
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
1.0
MAX6886
toc11
TEMPERATURE (
°C)
60
35
10
-15
-40
85
Typical Operating Characteristics (continued)
(VIN1–VIN4 or VCC = 5V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP, TA = +25°C, unless otherwise noted.)
RESET TIMEOUT PERIOD vs. CSRT
MAX6886
toc12
CSRT (nF)
TIMEOUT
PERIOD
(ms)
100
10
1
10
100
1000
10,000
0.1
1000
WATCHDOG TIMEOUT PERIOD vs. CSWT
MAX6886
toc13
CSWT (nF)
TIMEOUT
PERIOD
(ms)
100
10
1
10
100
1000
10,000
0.1
1000
Pin Description
PIN
NAME
FUNCTION
1
RESET
Open-Drain, Active-Low Reset Output. RESET asserts when any input voltage falls below the selected
threshold, the watchdog timer expires, or when MR is pulled low. RESET remains asserted for default
(200ms) or adjustable reset timeout period after all assertion-causing conditions are cleared. An
external pullup resister is required.
2
SRT
Reset Timeout Adjust Input. Connect an external capacitor between SRT and GND to set the reset
timeout period. The timeout period is calculated by tRP = 4.348E6 x CSRT (tRP in seconds and CSRT in
Farads). To use the factory default period of 200ms connect SRT to VCC.
3
SWT
Watchdog Timeout Adjust Input. Connect an external capacitor between SWT and GND to set the
watchdog timeout period. The adjustable timeout period is calculated by tWD = 4.348E6 x CSWT (tWD
in seconds and CSWT in Farads). Disable the watchdog timer by connecting SWT to GND. Connect
SWT to VCC to use the factory-default normal and initial periods of 1.6s and 102.4s, respectively.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6887AETE | 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 |
| MAX6887AETE+ | 功能描述:監(jiān)控電路 Hex Power-Supply 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 |
| MAX6887AETE+T | 功能描述:監(jiān)控電路 Hex Power-Supply 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 |
| MAX6887AETE-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 |
| MAX6887BETE | 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 |
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