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DS1836 PDF预览

DS1836

更新时间: 2024-01-21 13:56:24
品牌 Logo 应用领域
达拉斯 - DALLAS /
页数 文件大小 规格书
9页 169K
描述
3.3V/5V MicroManager

DS1836 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.38
其他特性:CAN ALSO BE OPERATED BY 5V SUPPLY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:3
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
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.75 mm标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:TIN LEAD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 mm

DS1836 数据手册

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DS1836/A/B/C/D  
3.3V/5V MicroManager  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
C 5V or 3.3V power-on reset  
RST(*RST)  
VCC  
VBAT  
NC  
1
2
3
4
8
7
6
5
C True 3V operation power switch  
C Switches to battery at 3.8V (2.6V for 3.3V  
versions)  
NMI  
IN  
C Excellent for systems designed to operate  
with dual power supplies  
GND  
VOUT  
8-Pin DIP (300mil)  
C Asserts resets during power transients  
C Maintains reset for 350ms after VCC returns to  
an in-tolerance condition  
RST(*RST)  
1
2
3
4
8
7
6
5
VCC  
VBAT  
NC  
NMI  
IN  
C Reduces need for discrete components  
C Precision temperature-compensated voltage  
reference and voltage sensor  
GND  
VOUT  
8-Pin SO (150mil)  
C 8-pin DIP or space saving 8-pin SO surface  
mount available  
DS1836A/C (*DS1836B/D)  
C CMOS reset output for low current operation  
C Operating temperature of -40LC to +85LC  
C Perfect for PIC microprocessor applications  
PIN DESCRIPTION  
VCC  
VBAT  
NC  
- Power Supply Input  
- Battery Supply Input  
- No Connect  
VOUT  
GND  
IN  
- Power Supply Output  
- Ground  
- Sense Input  
NMI  
RST (*RST)  
- Non-maskable Interrupt  
- Reset Output  
DESCRIPTION  
The DS1836 MicroManager performs three vital system functions. First, a precision temperature-  
compensated reference and comparator circuit monitor the status of the voltage on VCC and when an out-  
of-tolerance condition is detected, an internal power-fail signal is generated that forces the reset active. If  
VCC continues to degrade, it switches to the battery supply when VCC drops below 3.8V (2.6V for 3.3V  
versions). When VCC exceeds 3.9V (2.8V for 3.3V versions); VOUT will again be supplied from VCC.  
Reset will remain active for 350 ms after VCC returns to an in-tolerance condition.  
Lastly, the DS1836 supports a sense input that sends a non-maskable interrupt whenever the sense input  
drops below 1.25V.  
1 of 9  
020702  

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