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参数资料
| 型号： | DS1831CS/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/15页 |
| 文件大小： | 0K |
| 描述： | IC MULTIMON 3.3/2/5V 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | MicroMonitor™ |
| 类型： | 多压监控器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 10 ms；100 ms；1,000 ms |
| 电压 - 阀值： | 2.5V，3.3V，可调，可调 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
DS1831C/D/E
OPERATION—PUSHBUTTON STATUS
The DS1831E provides a master pushbutton status open drain output. The PBST output indicates the
status of the most recent reset condition. If the last reset was generated by the master pushbutton input it
would maintain a low condition until cleared by another event (except the master pushbutton) generating
a reset. Once cleared it will remain high until the master pushbutton is pulled low generating a reset
condition. The PBST output is open drain and will require a pull-up resistor on the output to maintain a
valid condition. The value of the pull up resistor is not critical in most cases but must be set low enough
to pull the output to a high state. A common value used is 10k W (see Figure 6).
DS1831E APPLICATION EXAMPLE Figure 6
2.5V
3.3V Supply
V CC
IN 2.5V
RST 2.5V
1
2
16
15
IN 3.3V
RST 3.3V
10k W
V SENSE2
V SENSE1
TOL 2.5V
TD 2.5V
PBRST 2.5V
3
4
5
14
13
DS1831E
12
TOL 3.3V
TD 3.3V
PBST
V CC
10 k W
IN1
IN2
GND
6
7
8
11
10
9
NMI1
NMI2
MPBRST
OUTPUT VALID CONDITIONS
The DS1831 can maintain valid outputs as long as one input remains above 1.0V. Accurate voltage
monitoring additionally requires that either the 3.3V IN or 2.5V IN input be above 1.5V. If this condition
is not met and at least one of the supply inputs are at or above 1.0V all outputs are maintained in the
active condition. The DS1831 requires pull-up resistors on the outputs to maintain a valid output. The
value of the pull up resistor is not critical in most cases but must be set low enough to pull the output to a
high state. A common pull-up resistor value used is 10k W (see Figure 7).
7 of 15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1831D | 功能描述:监控电路 3.3/5V Multisupply MicroMonitor 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 |
| DS1831D+ | 功能描述:监控电路 3.3/5V Multisupply MicroMonitor 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 |
| DS1831DS | 功能描述:监控电路 3.3/5V Multisupply MicroMonitor 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 |
| DS1831DS/T&R | 制造商:Maxim Integrated Products 功能描述:3.3/2.5 MULTIMONITOR W/WD SO/TR - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MULTIMON 3.3/2.5V WDOG 16SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V Multisupply MicroMonitor |
| DS1831DS/T&R | 功能描述:监控电路 3.3/5V Multisupply MicroMonitor 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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