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| 型号： | MAX6886ETP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR HEX 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 6 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 6 种可选阀值组合 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
Pin-Selectable, Hex Power-Supply
Supervisory Circuit
Typical Operating Characteristics (continued)
(V IN1 –V IN4 or V CC = 5V, WDI = GND, TH0–TH4 = MARGIN = MR = DBP, T A = +25°C, unless otherwise noted.)
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
MR TO RESET OUTPUT PROPAGATION
DELAY vs. TEMPERATURE
RESET TIMEOUT PERIOD vs. TEMPERATURE
(C RST = 0.047 μ F)
200
190
180
170
160
150
140
130
120
110
100
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE (C SWT = 0.33 μ F)
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
10,000
1000
100
10
1
0.1
TEMPERATURE ( ° C)
RESET TIMEOUT PERIOD vs. C SRT
TEMPERATURE ( ° C)
10,000
1000
100
10
1
0.1
TEMPERATURE ( ° C)
WATCHDOG TIMEOUT PERIOD vs. C SWT
0.1
1
10
100
1000
0.1
1
10
100
1000
C SRT (nF)
C SWT (nF)
Pin Description
PIN
1
2
3
NAME
RESET
SRT
SWT
FUNCTION
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.
Reset Timeout Adjust Input. Connect an external capacitor between SRT and GND to set the reset
timeout period. The timeout period is calculated by t RP = 4.348E6 x C SRT (t RP in seconds and C SRT in
Farads). To use the factory default period of 200ms connect SRT to V CC .
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 t WD = 4.348E6 x C SWT (t WD
in seconds and C SWT in Farads). Disable the watchdog timer by connecting SWT to GND. Connect
SWT to V CC to use the factory-default normal and initial periods of 1.6s and 102.4s, respectively.
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6887AETE | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6887AETE+ | 功能描述:监控电路 Hex Power-Supply Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6887AETE+T | 功能描述:监控电路 Hex Power-Supply Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6887AETE-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6887BETE | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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