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| 型号： | MAX1812EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC SW USB DUAL W/FB 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | USB，外设 |
| 电流 - 电源： | 45µA |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
19-1865; Rev 0; 11/00
Dual USB Switch with Fault Blanking
General Description
The MAX1812 is a dual current-limited switch specifi-
cally made for USB applications. Each channel is guar-
anteed to supply 500mA and meets USB specifications.
The MAX1812’s low quiescent supply current (45μA)
and shutdown current (3μA) conserve battery power in
portable applications.
The MAX1812 has multiple safety features to ensure
that the USB port is protected. Built-in thermal-overload
protection limits power dissipation and junction temper-
ature. The device also has accurate internal current-lim-
iting circuitry to protect the input supply against both
overload and short-circuit conditions. Independent fault
signals ( FAULTA and FAULTB ) notify the microproces-
sor when a thermal-overload, current limit, undervoltage
lockout, or short-circuit fault occurs. A 20ms fault-blank-
ing feature enables the circuit to ignore momentary
faults, such as those caused when hot-swapping a
capacitive load, thereby preventing false alarms to the
host system.
The MAX1812 is available in a space-saving 10-pin
μMAX package. For single versions of this device, refer
to the MAX1693, MAX1694, and MAX1607 data sheets.
________________________Applications
Features
o Dual USB Switch in Tiny 10-Pin μMAX Package
o Guaranteed 500mA Load per Channel
o Built-In 20ms Fault Blanking
o Compliant to USB Specifications
o +4.0V to +5.5V Input Voltage Range
o 45μA Quiescent Current
o 3μA Shutdown Current
o Independent Shutdown Control
o Independent FAULT Indicator Outputs
o Thermal-Overload Protection
o UL Listing Pending
Ordering Information
USB Ports
USB Hubs
PART
MAX1812EUB
TEMP. RANGE
-40 ° C to +85 ° C
PIN-PACKAGE
10 μ MAX
Notebook Computers
Desktop Computers
PDAs and Palmtop Computers
Docking Stations
Typical Operating Circuit
Pin Configuration
INA
OUTA
USB
PORT A
TOP VIEW
IN
INPUT
4.0V TO 5.5V
INB
ONA 1
10 FAULTA
MAX1812
FAULTA
OUTB
USB
PORT B
INA
IN
INB
2
3
4
MAX1812
9
8
7
OUTA
GND
OUTB
ONA
ONB
FAULTB
ONA
ONB
GND
ONB
5
μ MAX
6
FAULTB
________________________________________________________________ Maxim Integrated Products
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1813EEI | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1813EEI+ | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1813EEI+T | 功能描述:DC/DC 开关控制器 Dynamically Adjustable Synchronous Step-Down Controller w/Integrated Voltage Positioning RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1813EEI-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1813EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1813 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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