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IMP812SEUS-T PDF预览

IMP812SEUS-T

更新时间: 2024-10-28 05:39:19
品牌 Logo 应用领域
A1PROS 电源电路电源管理电路
页数 文件大小 规格书
8页 180K
描述
4--Piin μP Vollttage Superrviissorr wiitth Manuall Ressett

IMP812SEUS-T 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.7
Is Samacsys:NBase Number Matches:1

IMP812SEUS-T 数据手册

 浏览型号IMP812SEUS-T的Datasheet PDF文件第2页浏览型号IMP812SEUS-T的Datasheet PDF文件第3页浏览型号IMP812SEUS-T的Datasheet PDF文件第4页浏览型号IMP812SEUS-T的Datasheet PDF文件第5页浏览型号IMP812SEUS-T的Datasheet PDF文件第6页浏览型号IMP812SEUS-T的Datasheet PDF文件第7页 
IMP811, IMP812  
P
OWER  
M
ANAGEMENT  
Key Features  
4-Pin µP Voltage Supervisor  
with Manual Reset  
Improved Maxim MAX811/MAX812 replacement  
Specified to 105°C  
New 4.0V threshold option  
The IMP811/IMP812 are low-power supervisors designed to monitor  
voltage levels of 3.0V, 3.3V and 5.0V power supplies in low-power  
microprocessor (µP), microcontroller (µC) and digital systems. Each fea-  
tures a debounced manual reset input. The IMP811/812 are improved  
drop-in replacements for the Maxim MAX811/812 with extended  
temperature specifications to 105°C.  
6µA supply current  
Monitor 5V, 3.3V and 3V supplies  
Manual reset input  
140ms min. reset pulse width  
Guaranteed over temperature  
A reset signal is issued if the power supply voltage drops below a preset  
threshold and is asserted for at least 140ms after the supply has risen  
above the reset threshold. The IMP811 has an active-low output RESET  
Active-LOW reset valid with 1.1V supply  
(IMP811)  
that is guaranteed to be in the correct state for V down to 1.1V. The  
CC  
IMP812 has an active-high output RESET. The reset comparator is  
designed to ignore fast transients on VCC  
.
Small 4-pin SOT-143 package  
No external components  
Low power consumption makes the IMP811/IMP812 ideal for use in  
portable and battery-operated equipment. Available in a compact 4-pin  
SOT143 package, the devices use minimal board space.  
Power-supply transient-immune design  
Six voltage thresholds are available to support 3V to 5V systems:  
Applications  
Reset Threshold  
Suffix  
Voltage (V)  
Computers and controllers  
Embedded controllers  
Battery operated systems  
Intelligent instruments  
Wireless communication systems  
PDAs and handheld equipment  
L
M
J
4.63  
4.38  
4.00  
3.08  
2.93  
2.63  
T
S
R
Block Diagrams  
V
CC  
V
CC  
IMP811  
(IMP812)  
V
CC  
µC or µP  
RESET  
Input  
MR  
RESET  
(RESET)  
Manual  
Reset  
GND  
GND  
811/12_01.eps  
IMP, Inc.  
San Jose, CA  
408-432-9100/www.impweb.com  

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