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参数资料
| 型号： | MAX16997AAUA/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC TIMER WATCHDOG 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 监视器电路 |
| 监视电压数目： | 1 |
| 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： | 可调节/可选择 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
High-Voltage Watchdog Timers with
Adjustable Timeout Delay
ABSOLUTE MAXIMUM RATINGS
(All pins referenced to GND, unless otherwise noted.)
IN, ENABLE ............................................................-0.3V to +45V
WDI, RESET , EN .....................................................-0.3V to +20V
RESETIN .................................................................-0.3V to +20V
SRT, SWT................................................................-0.3V to +12V
Maximum Current (all pins).................................................30mA
Junction-to-Case Thermal Resistance ( θ JC ) (Note 1) ......42°C/W
Junction-to-Ambient Thermal Resistance ( θ JA ) (Note 1).....206.3°C/W
Operating Temperature Range (T A ) ..................-40°C to +125°C
Junction Temperature (T J ) ...............................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Continuous Power Dissipation (T A = +70°C)
8-Pin μMAX (derate 4.8mW/°C above +70°C) ..........387.8mW
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
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.
ELECTRICAL CHARACTERISTICS
(V IN = 14V, T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
Operating Voltage Range
Supply Current
SYMBOL
V IN
I IN
CONDITIONS
T A = -40°C to +85°C
T A = -40°C to +125°C
MIN
5.0
TYP
18
18
MAX
40.0
30
60
UNITS
V
μA
SWT Ramp Current
SRT Ramp Current
SWT/SRT Ramp Threshold
Voltage
I RAMP_SWT V SWT = 1.0V
I RAMP_SRT V SRT = 1.0V
V RAMP
450
410
1.115
500
500
1.235
550
600
1.363
nA
nA
V
RESET TIMER
Power-On Reset Input Threshold
Voltage
RESETIN Input Leakage Current
V PON
I LPON
V RESETIN rising
V RESETIN falling
V RESETIN = 2V
1.135
1.115
1.255
1.235
0.1
1.383
1.363
V
μA
RESET asserted, I SINK = 1mA
0.9
RESET Output Low Voltage
V OLRST
V IN = 1.1V, I SINK = 160μA, RESET asserted
0.4
V
RESET asserted, I SINK = 0.4mA
0.4
RESET Leakage Current
ENABLE Output Low Voltage
ENABLE Leakage Current
Minimum Reset Timeout Period
Reset Timeout Period
Maximum Reset Time Period
RESET to ENABLE Delay
RESETIN to RESET Delay
I LKGR
V OLEN
I LKGE
t RESETmin
t RESET
t RESETmax
t REDL
t RRDL
V RESET = 20V, RESET not asserted
ENABLE asserted, I SINK = 5mA
V ENABLE = 14V, ENABLE not asserted
C SRT = 390pF (Note 3)
C SRT = 2000pF (Note 3)
C SRT = 47nF
RESETIN falling below V PON to RESET
falling edge
0.1
0.1
1
5
116.09
1.5
1
0.4
μA
V
μA
ms
ms
ms
μs
μs
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16998AAUA/V+ | 功能描述:监控电路 Watchdog Timer w/Adj Timeout Delay 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 |
| MAX16998AAUA/V+T | 功能描述:监控电路 Watchdog Timer w/Adj Timeout Delay 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 |
| MAX16998AAUA+ | 功能描述:监控电路 Watchdog Timer w/Adj Timeout Delay 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 |
| MAX16998AAUA+T | 功能描述:监控电路 Watchdog Timer w/Adj Timeout Delay 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 |
| MAX16998BAUA/V+ | 功能描述:监控电路 Watchdog Timer w/Adj Timeout Delay 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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