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MAX1823EUBT

更新时间： 2024-10-03 20:51:23
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理光电二极管
页数 文件大小 规格书
11页 324K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10, MICRO MAX PACKAGE-10

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MAX1823EUBT 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：TSSOP,
针数：10Reach Compliance Code：compliant
风险等级：5.16可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-G10
JESD-609代码：e0长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：2端子数量：10
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：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.1 mm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：TIN LEAD
端子形式：GULL WING端子节距：0.5 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 mmBase Number Matches：1

MAX1823EUBT 数据手册

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19-1903; Rev 0; 2/01  
Dual USB Switch with Fault  
Blanking and Autoreset  
General Description  
Features  
The MAX1823 is a dual, current-limited switch with  
autoreset specifically made for USB applications. The  
autoreset feature latches the switch off if the output is  
shorted, saving system power. The switch reactivates  
when the short-circuit condition is removed. Each chan-  
nel is guaranteed to supply 500mA and meet USB speci-  
fications. The device’s low quiescent supply current  
(50µA) and standby current (3µA) conserve battery  
power in portable applications.  
The MAX1823 has multiple safety features to ensure that  
the USB port is protected. Built-in thermal-overload pro-  
tection limits power dissipation and junction temperature.  
The device also has accurate internal current-limiting cir-  
cuitry to protect the input supply against both overload  
and short-circuit conditions. Independent fault signals  
(FAULTA and FAULTB) notify the microprocessor (µP)  
when a thermal-overload, current-limit, undervoltage  
lockout (UVLO), or short-circuit fault occurs. A 20ms  
fault-blanking feature enables the circuit to ignore  
momentary faults, such as those caused when hot  
swapping a capacitive load, preventing false alarms to  
the host system.  
• Dual USB Switch in Tiny 10-Pin µMAX Package  
• Autoreset Feature Saves Power  
• Guaranteed 500mA Load per Channel  
• Built-In 20ms Fault Blanking  
• Compliant to USB Specification  
• 4.0V to 5.5V Input Voltage Range  
• Independent Shutdown Control  
• Independent FAULT Indicator Outputs  
• Thermal Overload Protection  
• 0.50µA Quiescent Current (Both Switches On)  
• 3µA Standby Current  
• UL Listing Pending  
The MAX1823 is available in a space-saving 10-pin  
µMAX. For a dual switch without autoreset, refer to the  
MAX1812 data sheet. For single versions of this device,  
refer to the MAX1693, MAX1694, and MAX1607 data  
sheets.  
Ordering Information  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX1823EUB  
-40°C to +85°C  
10 µMAX  
Applications  
USB Ports  
USB Hubs  
Notebook Computers  
Desktop Computers  
PDAs and Palmtop Computers  
Docking Stations  
Pin Configuration  
Typical Operating Circuit  
USB  
PORT A  
INA  
IN  
OUTA  
TOP VIEW  
INPUT  
4.0V TO 5.5V  
INB  
ONA  
INA  
IN  
1
2
3
4
5
10 FAULTA  
MAX1823  
9
8
7
6
OUTA  
GND  
MAX1823  
USB  
PORT B  
FAULTA  
FAULTB  
OUTB  
INB  
ONB  
OUTB  
FAULTB  
ONA  
ONB  
ONA  
ONB  
GND  
µMAX  
________________________________________________________________ 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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