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MAX811REUS

更新时间： 2024-01-29 09:56:26
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
8页 180K
描述
Power Supply Support Circuit, Fixed, 1 Channel, +2.63VV, PDSO4, SOT-143, 4 PIN

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MAX811REUS 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：LSOP, TO-253
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.83其他特性：RESET THRESHOLD VOLTAGE IS 2.63V
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-G4长度：2.92 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：4
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：LSOP
封装等效代码：TO-253封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE峰值回流温度（摄氏度）：225
电源：3 V认证状态：Not Qualified
座面最大高度：1.22 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.01 mA最小供电电压 (Vsup)：1.2 V
标称供电电压 (Vsup)：3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：NOT SPECIFIED
端子形式：GULL WING端子节距：1.92 mm
端子位置：DUAL阈值电压标称：+2.63V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.3 mm
Base Number Matches：1

MAX811REUS 数据手册

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19-0411; Rev 4; 12/05  
4-Pin µP Voltage Monitors  
with Manual Reset Input  
________________General Description  
____________________________Features  
The MAX811/MAX812 are low-power microprocessor  
(µP) supervisory circuits used to monitor power sup-  
plies in µP and digital systems. They provide excellent  
circuit reliability and low cost by eliminating external  
components and adjustments when used with 5V-  
powered or 3V-powered circuits. The MAX811/MAX812  
also provide a debounced manual reset input.  
♦ Precision Monitoring of 3V, 3.3V, and 5V  
Power-Supply Voltages  
♦ 6µA Supply Current  
♦ 140ms Min Power-On Reset Pulse Width;  
Output (MAX811), RESET Output (MAX812)  
♦ Guaranteed Over Temperature  
These devices perform a single function: They assert a  
reset signal whenever the V  
supply voltage falls  
CC  
♦ Guaranteed  
Valid to V  
= 1V (MAX811)  
CC  
below a preset threshold, keeping it asserted for at  
least 140ms after V has risen above the reset thresh-  
♦ Power-Supply Transient Immunity  
♦ No External Components  
CC  
old. The only difference between the two devices is that  
the MAX811 has an active-low RESET output (which is  
♦ 4-Pin SOT143 Package  
guaranteed to be in the correct state for V  
down to  
CC  
1V), while the MAX812 has an active-high RESET out-  
put. The reset comparator is designed to ignore fast  
_______________Ordering Information  
PART*  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
transients on V . Reset thresholds are available for  
CC  
operation with a variety of supply voltages.  
MAX811_EUS-T  
MAX812_EUS-T  
4 SOT143  
4 SOT143  
Low supply current makes the MAX811/MAX812 ideal  
for use in portable equipment. The devices come in a  
4-pin SOT143 package.  
*This part offers a choice of five different reset threshold volt-  
ages. Select the letter corresponding to the desired nominal  
reset threshold voltage, and insert it into the blank to complete  
the part number.  
Devices are available in both leaded and lead-free packaging.  
Specify lead-free by replacing “-T” with “+T” when ordering.  
________________________Applications  
Computers  
Controllers  
RESET THRESHOLD  
Intelligent Instruments  
Critical µP and µC Power Monitoring  
Portable/Battery-Powered Equipment  
SUFFIX  
VOLTAGE (V)  
4.63  
L
M
T
4.38  
3.08  
S
2.93  
R
2.63  
___________________Pin Configuration  
___________Typical Operating Circuit  
TOP VIEW  
V
CC  
1
4
GND  
V
CC  
V
V
CC  
CC  
MAX811  
MAX812  
P
MAX811  
MAX812  
RESET  
INPUT  
RESET  
(RESET)  
MR  
(RESET) RESET  
2
3
MR  
GND  
GND  
SOT143  
( ) ARE FOR MAX812  
PUSHBUTTON  
SWITCH  
( ) ARE FOR MAX812  
NOTE: SEE LAST PAGE FOR MARKING INFORMATION.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
12345678

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