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参数资料
| 型号： | MAX9940EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9940 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电路保护，瞬态电压抑制（TVS） |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX9940 |
| 主要属性： | 60ns 故障反应时间 |
| 次要属性： | 2.2 V ~ 5.5 V 电源 |
19-4168; Rev 0; 2/09
Signal-Line Overvoltage Protector
for Low-Voltage Devices
General Description
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.
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.
Applications
Features
? 28V Protection on EXT
? Extended ESD Protection
±4kV IEC 61000-4 Contact on EXT
? +2.2V to +5.5V Supply Voltage Range
? 13μA Quiescent Supply Current
? 60ns Fault Reaction Time
? Small, 5-Pin SC70
? -40°C to +125°C Temperature Range
Ordering Information
Notebook Computers
Portable Devices
Industrial Equipment
PART
MAX9940AXK+
TEMP RANGE
-40°C to +125°C
PIN-
PACKAGE
5 SC70
TOP
MARK
ATC
+Denotes a lead(Pb)-free/RoHS-compliant package.
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
Block Diagram/Typical Application Circuit
NOTEBOOK
ADAPTER
V DD = 3.3V
ENABLE
LOAD
V CC
MAX9940
NOTEBOOK
BATTERY
CHARGER
MICROCONTROLLER
2k Ω
+
DATA
-
PROTECTION
CIRCUIT
1-Wire
DEVICE
20V
Rx
Tx
INT
N
P
EXT
Tx
Rx
GND
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9940EVKIT+ | 功能描述:电源管理IC开发工具 MAX9940 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX9943ATT+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL GP 19V/38V 6TDFN EP - Rail/Tube |
| MAX9943ATT+T | 功能描述:精密放大器 Precision Op Amp RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX9943AUA+ | 功能描述:精密放大器 Precision Op Amp RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX9943AUA+T | 功能描述:精密放大器 Precision Op Amp RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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