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参数资料
| 型号： | MIC2546-1YM |
| 厂商： | Micrel Inc |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC SW CURR LIMIT DUAL 16-SOP |
| 标准包装： | 48 |
| 类型： | 高端 |
| 输入类型： | 非反相 |
| 输出数： | 2 |
| 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： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1084 (CN2011-ZH PDF) |
| 其它名称： | 576-2171 MIC2546-1YM-ND |
MIC2546/2547
Dual Programable Current Limit Switch
General Description
The MIC2546 and MIC2547 are integrated high-side dual
power switches optimized for low loss dc power switching
and other power management applications, including
Advanced Configuration and Power Interface (ACPI). The
MIC2546/47 is a cost-effective, highly integrated solution
that requires few external components to satisfy USB and
ACPI requirements.
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 current-limit,
protects theswitch and the attached device.
The MIC2546/47’s open-drain flag outputs are used to
indicate current-limiting or thermal shutdown to a local
controller. The MIC2547 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, and is also used as
the thermal shutdown latch reset for the MIC2547.
The MIC2546 and MIC2547 are available in active-high
and active-low enable versions in 16-pin TSSOP and SOP
packages.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
? 2.7V to 5.5V input
? Adjustable current-limit up to 1.5A
? Reverse current flow blocking (no “body diode”)
? 100 μ A typical on-state supply current per channel
? 2 μ A typical off-state supply current
? 120m ? maximum on-resistance
? Open-drain fault flag
? Thermal shutdown
? Thermal shutdown output latch (MIC2547)
? 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
? Ideal for dual supply applications
___________________________________________________________________________________________________________
Typical Application
Typical Advanced Configuration and Power Interface (ACPI) Application
UL Recognized Component
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
January 2008
M9999-012508-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2546-1YM TR | 功能描述:电源开关 IC - USB Dual Programmable Current Limit Single High-Side Switch - Lead Free 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 |
| MIC2546-1YTS | 功能描述:电源开关 IC - USB Dual Programmable Current Limit Single High-Side Switch - Lead Free 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 |
| MIC2546-1YTS TR | 功能描述:电源开关 IC - USB Dual Programmable Current Limit Single High-Side Switch - Lead Free 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 |
| MIC2546-2BM | 功能描述:IC SW CURR LIMIT DUAL 16-SOP RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 内部开关 系列:- 标准包装:1 系列:- 类型:高端 输入类型:非反相 输出数:1 导通状态电阻:85 毫欧 电流 - 输出 / 通道:2A 电流 - 峰值输出:6A 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:4-UFDFN 裸露焊盘，4-TMLF? 供应商设备封装:4-TMLF?（1.2x1.6） 包装:剪切带 (CT) 其它名称:576-1574-1 |
| MIC2546-2BM TR | 功能描述:IC SW CURR LIMIT DUAL 16-SOP RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 内部开关 系列:- 标准包装:1 系列:- 类型:高端 输入类型:非反相 输出数:1 导通状态电阻:85 毫欧 电流 - 输出 / 通道:2A 电流 - 峰值输出:6A 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:4-UFDFN 裸露焊盘，4-TMLF? 供应商设备封装:4-TMLF?（1.2x1.6） 包装:剪切带 (CT) 其它名称:576-1574-1 |
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