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DS1831C/D/E PDF预览

DS1831C/D/E

更新时间: 2024-02-10 08:29:02
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
15页 192K
描述
3.3V/2.5V Multisupply Micromonitor

DS1831C/D/E 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.33其他特性:POWER-ON-RESET
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:9.9 mm湿度敏感等级:1
信道数量:4功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:1/5.5 V
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Power Management Circuits最大供电电流 (Isup):0.1 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):1 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

DS1831C/D/E 数据手册

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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(see Figure 6).  
DS1831E APPLICATION EXAMPLE Figure 6  
2.5V  
3.3V Supply  
VCC  
IN2.5V  
IN3.3V  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
10kꢀ  
RST2.5V  
RST3.3V  
VCC  
TOL2.5V  
VSENSE1  
VSENSE2  
TOL3.3V  
TD2.5V  
PBRST2.5V  
TD3.3V  
PBST  
10 k
ꢀ  
DS1831E  
12  
11  
10  
9
IN1  
IN2  
NMI1  
NMI2  
GND  
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(see Figure 7).  
7 of 15  

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