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DS1818-10 PDF预览

DS1818-10

更新时间: 2024-09-14 22:34:51
品牌 Logo 应用领域
达拉斯 - DALLAS 电源电路电源管理电路
页数 文件大小 规格书
5页 63K
描述
3.3V EconoReset with Pushbutton

DS1818-10 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TO-92, 3 PINReach Compliance Code:unknown
风险等级:5.7Is Samacsys:N
其他特性:Pushbutton Reset option可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:O-PBCY-T3
JESD-609代码:e0信道数量:1
功能数量:1端子数量:3
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP3,.1,50
封装形状:ROUND封装形式:CYLINDRICAL
电源:1.2/5.5 V认证状态:Not Qualified
子类别:Power Management Circuits最大供电电流 (Isup):0.035 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:NO
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:1.27 mm端子位置:BOTTOM
阈值电压标称:+2.88VBase Number Matches:1

DS1818-10 数据手册

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DS1818  
3.3V EconoReset with Pushbutton  
www.dalsemi.com  
FEATURES  
Automatically restarts a microprocessor after  
power failure  
PIN ASSIGNMENT  
3
Monitors pushbutton for external override  
Maintains reset for 150 ms after VCC returns  
to an in-tolerance condition  
Reduces need for discrete components  
Precision temperature-compensated voltage  
reference and voltage sensor  
1
2
SOT-23 PACKAGE  
Accurate 5%, 10% or 20% power monitoring  
Low-cost TO-92 or space saving surface  
mount SOT-23 packages available  
1 2 3  
1 2 3  
Efficient open-drain output with internal  
5.5 k=pull-up resistor  
Operating temperature -40°C to +85°C  
TO-92 PACKAGE  
See Mech.  
Drawings Section  
PIN DESCRIPTION  
TO-92  
1
2
3
RST  
VCC  
GND  
Active Low Reset Output  
Power Supply  
Ground  
SOT-23  
1
2
3
RST  
VCC  
GND  
Active Low Reset Output  
Power Supply  
Ground  
DESCRIPTION  
The DS1818 EconoReset uses a precision temperature-compensated reference and comparator circuit to  
monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal  
power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance  
condition, the reset signal is kept in the active state for approximately 150 ms to allow the power supply  
and processor to stabilize.  
The DS1818 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is  
generated upon release and the DS1818 output will be held in reset output low for typically 150 ms.  
1 of 5  
111999  

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