参数资料
型号: MIC2544A-1YM TR
厂商: Micrel Inc
文件页数: 17/19页
文件大小: 0K
描述: IC SW CURR LIMIT HI SIDE 8SOIC
标准包装: 2,500
类型: 高端
输入类型: 非反相
输出数: 1
导通状态电阻: 80 毫欧
电流 - 峰值输出: 1.5A
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
Micrel, Inc.
Figure 7. Flag Filter with C OUT = 100μF
USB Power Distribution
The MIC2544A is ideal for meeting USB power
distribution requirements. Figure 8 depicts a USB Host
application. RSET should be set to a value providing a
current-limit >500mA.
The accurate current-limit of the MIC2544A will reduce
power supply current requirements. Also, fast reaction to
short circuit faults prevent voltage droop in mobile
PC applications.
Printed Circuit Board Hot-Plug
The MIC2544A/48A are ideal inrush current-limiters
suitable for hot-plug applications. Due to the integrated
charge pump, the MIC2544A/48A presents high
impedance when off and slowly becomes low impedance
as it turns on. This “soft start” feature effectively isolates
power supplies from highly capacitive loads by reducing
inrush current during hot-plug events. Figure 9 shows
how the MIC2544A may be used in a hot-plug
application.
MIC2544A/2548A
April 2010
17
M9999-043010
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MIC2544A-2YM 功能描述:电源开关 IC - USB Programmable Current Limit High-Side Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
MIC2544A-2YM TR 功能描述:电源开关 IC - USB Programmable Current Limit High-Side Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
MIC2544A-2YMM 功能描述:电源开关 IC - USB Programmable Current Limit High-Side Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
MIC2544A-2YMM TR 功能描述:电源开关 IC - USB Programmable Current Limit High-Side Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube
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