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MIC2544-2BMM PDF预览

MIC2544-2BMM

更新时间: 2024-09-14 22:36:39
品牌 Logo 应用领域
麦瑞 - MICREL 驱动器开关接口集成电路光电二极管
页数 文件大小 规格书
12页 471K
描述
Programmable Current Limit High-Side Switch Preliminary Information

MIC2544-2BMM 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:TSSOP, TSSOP8,.19Reach Compliance Code:not_compliant
风险等级:5.29内置保护:OVER CURRENT; THERMAL
驱动器位数:1接口集成电路类型:BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
输出电流流向:SINK最大输出电流:1.5 A
标称输出峰值电流:0.1 A封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.19
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电源:5 V
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Peripheral Drivers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技术:CMOS
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:2.97 mm
Base Number Matches:1

MIC2544-2BMM 数据手册

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MIC2544/2548  
Programmable Current Limit High-Side Switch  
Preliminary Information  
General Description  
Features  
The MIC2544 and MIC2548 are integrated high-side power  
switches optimized for low loss dc power switching and other  
power management applications, including Advanced Con-  
figuration and Power Interface (ACPI). The MIC2544/48 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 1.5A  
Reverse current flow blocking (no body diode)  
75µA typical on-state supply current  
1µA typical off-state supply current  
120mmaximum on-resistance  
Open-drain fault flag  
Loadcurrentmanagementfeaturesincludeaprecisionresis-  
tor-programmable output current-limit and a soft-start circuit  
which minimizes inrush current when the switch is enabled.  
Thermal shutdown, along with current-limit, protects the  
switch and the attached device.  
Thermal shutdown  
Thermal shutdown output latch (MIC2548)  
2ms (slow) turn-on and fast turnoff  
Available with active-high or active-low enable  
Applications  
USB power distribution  
PCI Bus Power Switching  
Notebook PC  
ACPI power distribution  
PC card hot swap applications  
Inrush current-limiting  
The MIC2544/48’s open-drain flag output is used to indicate  
current-limiting or thermal shutdown to a local controller. The  
MIC2548 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 MIC2548.  
The MIC2544 and MIC2548 are available in active-high and  
active-low enable versions in the 8-pin SOP (small-outline  
package) and 8-pin MSOP (micro-small-outline package).  
Typical Application  
+5V  
MIC2544-xBM  
RFLG  
On/Off  
Peripheral  
EN  
OUT  
IN  
FLG  
GND  
ILIM  
OUT  
NC  
RSET  
SOP pinout shown  
33µF  
0.1µF  
Typical Advanced Configuration and Power Interface (ACPI) Application  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
June 2000  
1
MIC2544/2548  

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