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参数资料
| 型号： | DS1831AS/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC MULTIMON 5V/3.3V WDOG 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： | 3 |
| 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： | 3.3V，5V，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) |
DS1831/A/B
Multisupply Micromonitor
www.maxim-ic.com
FEATURES
§ 5V power-on reset
§ 3.3V power-on reset
PIN ASSIGNMENT
DS1831
§
§
Two referenced comparators with separate
outputs for monitoring additional supplies
Internal power is drawn from higher of either
the IN 5V input or the IN 3.3V input
IN 5V
RST 5V
TOL 5V
1
2
3
16
15
14
IN 3.3V
RST 3.3V
TOL 3.3V
§
§
§
§
§
§
Excellent for systems designed to operate
with multiple power supplies
Asserts resets during power transients
Pushbutton reset input for system override
Maintains reset for user configurable times
of 10ms, 100ms, or 1s
Watchdog timer for software monitoring
(DS1831A)
Precision temperature-compensated voltage
reference and voltage sensor
TD 5V
PBRST 5V
IN1
IN2
GND
4 13
5 12
6 11
7 10
8 9
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
TD 3.3V
PBRST 3.3V
NMI1
NMI2
MPBRST
§
§
16 pin DIP and 16 pin 150mil SO available
Operating Temperature of -40°C to +85°C
DS1831A
DS1831B
IN 5V
RST 5V
TOL 5V
TD 5V
PBRST 5V
IN1
ST
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN 3.3V
RST 3.3V
TOL 3.3V
TD 3.3V
PBRST 3.3V
NMI1
WDS
TD WD
IN 5V
RST 5V
TOL 5V
TD 5V
PBRST 5V
IN1
IN2
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN 3.3V
RST 3.3V
TOL 3.3V
TD 3.3V
PBST
NMI1
NMI2
MPBRST
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
DESCRIPTION
The DS1831 multisupply monitor and reset monitors up to four system voltages: 5V supply, 3.3V (or 3V)
supply, and two additional user configurable voltage monitors. DS1831 power for internal operation
comes from the higher voltage level of the 3.3V input or the 5V input. One of these inputs must be greater
than 1V for device operation. Pushbutton (manual reset) functionality is provided for the 5V reset, the
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060303
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1831B | 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 |
| DS1831B+ | 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 |
| DS1831BS | 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 |
| DS1831BS/T&R | 制造商:Maxim Integrated Products 功能描述:MULTISUPPLY MONITOR W/STAT 16-SO TR - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MULTIMN 5/3.3V WDOG PB 16SOIC |
| DS1831BS/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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