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MAX9940AXK+ PDF预览

MAX9940AXK+

更新时间: 2024-11-15 11:14:07
品牌 Logo 应用领域
美信 - MAXIM 电源电路电源管理电路光电二极管信息通信管理
页数 文件大小 规格书
9页 230K
描述
Signal-Line Overvoltage Protector for Low-Voltage Devices

MAX9940AXK+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOT
包装说明:TSSOP, TSSOP5/6,.08针数:5
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.18Is Samacsys:N
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-G5JESD-609代码:e3
长度:2 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:5最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP5/6,.08
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3 V
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Power Management Circuits最大供电电流 (Isup):0.021 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.2 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
技术:BICMOS温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.25 mm
Base Number Matches:1

MAX9940AXK+ 数据手册

 浏览型号MAX9940AXK+的Datasheet PDF文件第2页浏览型号MAX9940AXK+的Datasheet PDF文件第3页浏览型号MAX9940AXK+的Datasheet PDF文件第4页浏览型号MAX9940AXK+的Datasheet PDF文件第5页浏览型号MAX9940AXK+的Datasheet PDF文件第6页浏览型号MAX9940AXK+的Datasheet PDF文件第7页 
19-4168; Rev 0; 2/09  
Signal-Line Overvoltage Protector  
for Low-Voltage Devices  
MAX940  
General Description  
Features  
The MAX9940 signal-line overvoltage protector for low-  
voltage digital communication ports provides protection  
against high-voltage faults and ESD strikes. The  
MAX9940 is especially useful for sensitive communica-  
tion protocols such as Maxim 1-Wire® that cannot  
afford standard means of fault protection, such as large  
series resistors or large line capacitances.  
28V Protection on EXT  
Extended ESD Protection  
±±4V ꢀEꢁ ꢂ61110± ꢁontꢃct on EXT  
+2.2V to +5.5V Supply Voltꢃge Rꢃnge  
63µA Quiescent Supply ꢁurrent  
ꢂ1ns Fꢃult Reꢃction Time  
The MAX9940 operates from a single supply voltage of  
+2.2V to +5.5V and consumes only 13µA of quiescent  
supply current. The EXT port is protected up to 28V.  
The device features a reaction time of 60ns for fast  
action during fault conditions and operates over the  
-40°C to +125°C automotive temperature range.  
Smꢃll, 50Pin Sꢁ71  
0±1°ꢁ to +625°ꢁ Temperꢃture Rꢃnge  
Applications  
Ordering Information  
Notebook Computers  
Portable Devices  
PꢀN0  
PAꢁKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
MAX9940AXK+ -40°C to +125°C  
5 SC70  
ATC  
Industrial Equipment  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
1-Wire is a registered trademark of Maxim Integrated Products, Inc.  
Block Diagram/Typical Application Circuit  
ADAPTER  
NOTEBOOK  
V
= 3.3V  
DD  
LOAD  
NOTEBOOK  
BATTERY  
CHARGER  
ENABLE  
V
CC  
MAX9940  
MICROCONTROLLER  
+
-
2kΩ  
PROTECTION  
CIRCUIT  
20V  
1-Wire  
DEVICE  
DATA  
EXT  
Rx  
Rx  
N
P
INT  
Tx  
Tx  
GND  
________________________________________________________________ Mꢃxim ꢀntegrꢃted Products  
6
For pricing, delivery, ꢃnd ordering informꢃtion, pleꢃse contꢃct Mꢃxim Direct ꢃt 608880ꢂ290±ꢂ±2,  
or visit Mꢃxim’s website ꢃt www.mꢃxim0ic.com.  

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