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参数资料
| 型号： | MAX16057ATT45+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/17页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR P-P 4.5V 6-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 4.5V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WDFN 裸露焊盘 |
| 供应商设备封装： | 6-TDFN 裸露焊盘（3x3） |
| 包装： | 带卷 (TR) |
MAX16056–MAX16059
125nA Supervisory Circuits with Capacitor-
Adjustable Reset and Watchdog Timeouts
Interfacing to Other Voltages
for Logic Compatibility
The open-drain RESET output can be used to interface
to a μP with other logic levels. The open-drain output is
connected to a voltage from 0V to 5.5V as shown in
Figure 5. Generally, the pullup resistor connected to
RESET connects to the supply voltage that is being
monitored at the device’s V CC input. However, some
systems use the open-drain output to level-shift from
the supervisor’s monitored supply to another supply
voltage. As the supervisor’s V CC decreases, so does
the device’s ability to sink current at RESET .
Ensuring a Valid RESET Down to V CC = 0V
(Push-Pull RESET )
When V CC falls below 1.1V, the current-sinking capabil-
ity of RESET decreases drastically. The high-imped-
ance CMOS logic inputs connected to RESET can drift
to undetermined voltages. This presents no problems in
most applications, since most μPs and other circuitry
do not operate with V CC below 1.1V. In those applica-
tions where RESET must be valid down to 0, add a pull-
down resistor between the MAX16056/MAX16057
push-pull RESET output and GND. The resistor sinks
any stray leakage currents, holding RESET low (Figure
6). Choose a pulldown resistor that accommodates
leakages, such that RESET is not significantly loaded
and is capable of pulling to GND. The external pull-
down cannot be used with the open-drain RESET out-
put of the MAX16058/MAX16059.
5V
V CC
MAX16058
3.3V
V CC
V CC
V CC
MAX16059
RESET
100k Ω
RESET
μ P
MAX16056
MAX16057
GND
RESET
2M Ω
GND
Figure 5. Interfacing with Other Voltage Levels
Maxim Integrated
GND
Figure 6. Ensuring RESET Valid to VCC = GND
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16057ATT46+T | 功能描述:监控电路 NanoPwr w/Cap-Adj Reset and Watchdog 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 |
| MAX16058ATA16+T | 功能描述:监控电路 NanoPwr w/Cap-Adj Reset and Watchdog 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 |
| MAX16058ATA17+T | 功能描述:监控电路 NanoPwr w/Cap-Adj Reset and Watchdog 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 |
| MAX16058ATA18+T | 功能描述:监控电路 NanoPwr w/Cap-Adj Reset and Watchdog 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 |
| MAX16058ATA19+T | 功能描述:监控电路 NanoPwr w/Cap-Adj Reset and Watchdog 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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