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DS1834DS/T&R PDF预览

DS1834DS/T&R

更新时间: 2024-11-12 14:41:51
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
7页 104K
描述
Power Supply Support Circuit, Fixed, 2 Channel, +2.55/2.88VV, CMOS, PDSO8, 0.150 INCH, SOIC-8

DS1834DS/T&R 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:0.150 INCH, SOIC-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.3
其他特性:PUSHBUTTON RESET可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:8
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:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):245
电源:1.2/5.5 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):0.05 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):1.2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL阈值电压标称:+2.55/2.88V
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

DS1834DS/T&R 数据手册

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DS1834/A/D  
Dual EconoReset with Pushbutton  
www.dalsemi.com  
FEATURES  
PIN ASSIGNMENT  
5V power-on reset  
3.3VIN  
5VIN  
5V RST  
5V TOL  
GND  
1
2
3
4
8
7
6
5
3.3V power-on reset  
3.3V RST  
3.3V TOL  
PBRST  
Internal power is drawn from higher of either  
the 5VIN input or the 3.3VIN input  
Excellent for systems designed to operate  
with dual power supplies  
DS1834 8-Pin DIP (300-mil)  
Asserts resets during power transients  
Pushbutton reset input for system override  
Maintains reset for 350 ms after VCC returns  
to an in-tolerance condition  
Reduces need for discrete components  
Precision temperature-compensated voltage  
reference and voltage sensor  
3.3VIN  
1
2
3
4
8
7
6
5
5VIN  
5V RST  
5V TOL  
GND  
3.3V RST  
3.3V TOL  
PBRST  
DS1834 8-Pin SOIC (150-mil)  
8-pin DIP, 8-pin SOIC, and 8-pin µ-SOP  
available  
CMOS output for low current operation on  
the DS1834 and DS1834D  
5VIN  
5V RST (*RST)  
5V TOL  
3.3VIN  
1
2
3
4
8
7
6
5
3.3V RST (*RST)  
3.3V TOL  
PBRST  
GND  
DS1834 8-Pin µ-SOP (118-mil)  
Operating temperature of -40°C to +85°C  
PIN DESCRIPTION  
5VIN  
- 5V Power Supply Input  
5VRST (*RST) - 5V Reset Output  
5V TOL  
GND  
- Selects 5V Input Tolerance  
- Ground  
PBRST  
- Pushbutton Reset  
3.3V TOL  
- Selects 3.3V Input Tolerance  
3.3V RST (*RST) - 3.3V Reset Output  
3.3VIN  
- 3.3V Power Supply Input  
*DS1834D Active High Reset  
DESCRIPTION  
The DS1834 Dual EconoResets monitors three vital system conditions: 5-volt supply, 3.3-volt supply,  
and an external override. First a precision temperature reference and comparator circuit monitor the status  
of the 5-volt supply and the 3.3-volt supply. When an out-of-tolerance condition is detected, an internal  
power-fail signal is generated which forces the reset of the affected supply to an active state.  
Lastly, the DS1834 supports an external reset via an internally debounced pushbutton input. When the  
pushbutton is pulled low both resets will be asserted for approximately 350 ms after the pushbutton is  
released.  
1 of 7  
071700  

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