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MIC2545A-2BTSTR PDF预览

MIC2545A-2BTSTR

更新时间: 2024-09-16 13:11:31
品牌 Logo 应用领域
麦瑞 - MICREL 开关
页数 文件大小 规格书
16页 126K
描述
Buffer/Inverter Based Peripheral Driver, 0.5A, PDSO14, TSSOP-14

MIC2545A-2BTSTR 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP-14
针数:14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.06Is Samacsys:N
内置保护:OVER CURRENT; THERMAL接口集成电路类型:BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码:R-PDSO-G14JESD-609代码:e0
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
输出电流流向:SINK标称输出峰值电流:0.5 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR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:1.2 mm最大供电电压:5.5 V
最小供电电压:2.7 V标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)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:30接通时间:5000 µs
宽度:4.4 mmBase Number Matches:1

MIC2545A-2BTSTR 数据手册

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MIC2545A/2549A  
Programmable Current Limit High-Side Switch  
General Description  
Features  
The MIC2545A and MIC2549A are integrated high-side  
power switches optimized for low loss DC power switching  
and other power management applications, including Ad-  
vanced Configuration and Power Interface (ACPI). The  
MIC2545A/49A is a cost-effective, highly integrated solution  
that requires few external components to satisfy USB and  
ACPI requirements.  
2.7V to 5.5V input  
Adjustable current-limit up to 3A  
Reverse current flow blocking  
90µA typical on-state supply current  
1µA typical off-state supply current  
50mmaximum on-resistance  
Open-drain fault flag  
Thermal shutdown  
Load current management features include a precision,  
resistor-programmable output current-limit and a soft-start  
circuit, which minimizes inrush current when the switch is  
enabled. Thermal shutdown, along with adjustable current-  
limit, protects the switch and the attached device.  
Thermal shutdown output latch (MIC2549A)  
2ms (slow) soft-start turn-on, fast turnoff  
Available with active-high or active-low enable  
Applications  
The MIC2545A/49A’s open-drain flag output is used to indi-  
catecurrent-limitingorthermalshutdowntoalocalcontroller.  
The MIC2549A has an additional internal latch which turns  
the output off upon thermal shutdown, providing robust fault  
control. The enable signal is compatible with both 3V and 5V  
logic, andisalsousedasthethermalshutdownlatchresetfor  
the MIC2549A.  
USB power distribution  
PCI Bus Power Switching  
Notebook PC  
ACPI power distribution  
PC card hot swap applications  
Inrush current-limiting  
The MIC2545A and MIC2549A are available in active-high  
and active-low enable versions in 8-pin DIP, SOIC, and  
TSSOP packages.  
Typical Application  
+5V  
MIC2545A  
10k  
On/Off  
Peripheral  
EN  
OUT  
IN  
FLG  
GND  
ILIM  
OUT  
IN  
RSET  
33µF  
0.1µF  
Typical Advanced Configuration and Power Interface (ACPI) Application  
UL Recognized Component  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
M9999-041204  
April 2004  
1

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