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| 型号： | MAX6746KA23+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC RESET MPU W/ADJ RESET SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 2.313V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 标准包装 |
| 其它名称： | MAX6746KA23+TDKR |
MAX6746–MAX6753
μP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
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
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
Soldering Temperature (reflow) .......................................+260°C
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 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)
PARAMETER
Supply Voltage
SYMBOL
V CC
CONDITIONS
T A = 0°C to +125°C
T A = -40°C to 0°C
MIN
1.0
1.2
TYP
MAX
5.5
5.5
UNITS
V
V CC ≤ 5.5V
5
10
Supply Current
I CC
V CC ≤ 3.3V
4.2
9
μA
V CC ≤ 2.0V
3.7
8
V CC Reset Threshold
V TH
See V TH
selection table
TA = -40°C to+125°C
V TH -
2%
V TH +
2%
V
Hysteresis
V CC to Reset Delay
V HYST
V CC falling from V TH + 100mV to V TH -
100mV at 1mV/μs
0.8
20
%
μs
Reset Timeout Period
SRT Ramp Current
SRT Ramp Threshold
Normal Watchdog Timeout Period
(MAX6746–MAX6751)
Extended Watchdog Timeout
(MAX6746–MAX6751)
Slow Watchdog Period
(MAX6752/MAX6753)
Fast Watchdog Timeout Period,
t RP
I RAMP
V RAMP
t WD
t WD
t WD2
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
C SWT = 1500pF
5.692
200
1.173
5.692
728.6
728.6
91.08
7.590
0.506
250
1.235
7.590
0.506
971.5
64.77
971.5
64.77
121.43
9.487
300
1.297
9.487
1214.4
1214.4
151.80
ms
nA
V
ms
ms
ms
SET Ratio = 8,
(MAX6752/MAX6753)
t WD1
C SWT = 100pF
8.09
ms
Fast Watchdog Timeout Period,
C SWT = 1500pF
45.53
60.71
75.89
SET Ratio = 16,
(MAX6752/MAX6753)
2
t WD1
C SWT = 100pF
4.05
ms
Maxim Integrated
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| MAX6746KA24+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 |
| MAX6746KA24-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 |
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| MAX6746KA25+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 |
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