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MAX1838EEE+T

更新时间： 2024-10-03 13:10:23
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
13页 316K
描述
Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO16, 0.150 INCH, 0.025 INCH PTICH, QSOP-16

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MAX1838EEE+T 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SSOP, SSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.31Is 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-G16JESD-609代码：e3
长度：4.89 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：16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：SSOP封装等效代码：SSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.73 mm
子类别：Power Management Circuits最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

MAX1838EEE+T 数据手册

 浏览型号MAX1838EEE+T的Datasheet PDF文件第2页浏览型号MAX1838EEE+T的Datasheet PDF文件第3页浏览型号MAX1838EEE+T的Datasheet PDF文件第4页浏览型号MAX1838EEE+T的Datasheet PDF文件第5页浏览型号MAX1838EEE+T的Datasheet PDF文件第6页浏览型号MAX1838EEE+T的Datasheet PDF文件第7页 
19-2033; Rev 1; 2/10  
Dual USB Switch with Fault Blanking  
and Autoreset  
MAX138  
General Description  
Features  
The MAX1838 is a dual, current-limited USB switch with  
auxiliary input supply. Each switch meets all IEC speci-  
fications for USB ports and is guaranteed to supply  
500mA from either of two input supplies. A control pin  
selects the power source from either the main or auxil-  
iary supply.  
o Dual USB Switch with Auxiliary Input  
o Autoreset from Fault Condition  
o Guaranteed 500mA Load per Channel  
o Programmable Current Limits on Auxiliary Inputs  
o Reverse Current Protection  
o Thermal Overload Protection  
o Built-In 20ms Fault-Blanking  
The MAX1838 has multiple protection features, includ-  
ing independent thermal-shutdown on each channel to  
limit junction temperature in case of a prolonged short  
or overload condition. The device has accurate internal  
current-limit and reverse-current protection to safe-  
guard the input supply against overload. When pow-  
ered from the auxiliary supply, the current limit on each  
channel is set independently with an external resistor.  
o 4V to 5.5V Range  
o Independent FAULT Indicator Outputs  
An autoreset feature latches the switch off if the output  
is shorted, thereby saving system power. When the  
short is removed, the switch automatically turns back  
on. Independent fault signals (FAULTA and FAULTB)  
notify the microprocessor (µP) that the internal current  
limit has been reached. A 20ms fault-blanking feature  
prevents the MAX1838 from issuing false alarms to the  
host during power-up or when hot-swapping into a  
capacitive load.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1838EEE  
-40°C to +85°C  
16 QSOP  
The MAX1838 is available in a space-saving 16-pin  
QSOP. For other USB current-limited switches, refer to  
the MAX1693, MAX1694, MAX1812, and MAX1823.  
Applications  
Desktops  
Typical Operating Circuit  
Notebook Computers  
USB Ports  
Docking Stations  
Pin Configuration  
AUX  
IN  
AUXA  
AUXB  
FAULTB  
FAULTA  
TOP VIEW  
GND  
SEL  
1
2
3
4
5
6
7
8
16 FAULTA  
15 ADJA  
MAX1838  
OUTB  
OUTA  
INA  
INB  
OUTB  
10µF  
AUXA  
INA  
14 OUTA2  
13 OUTA1  
12 OUTB2  
11 OUTB1  
10 ADJB  
MAX1838  
SEL  
ON  
OUTA  
INB  
ADJB  
ADJA  
AUXB  
ON  
GND  
GND  
9
FAULTB  
QSOP  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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MAX1838EEE+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1838EEE+ MAXIM

完全替代

 Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO16, 0.150 INCH, 0.025 INCH PTI

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