参数资料
型号: MIC2085-MBQS TR
厂商: Micrel Inc
文件页数: 20/29页
文件大小: 1008K
描述: IC CTRLR HOW SWAP SGL 16-QSOP
标准包装: 2,500
类型: 热交换控制器
应用: 通用型 Infiniband?
内部开关:
电源电压: 2.3 V ~ 16.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
其它名称: MIC2085-MBQSTR
MIC2085-MBQSTR-ND
Micrel, Inc.
MIC2085/2086
 
 
May 2006 
20
M9999-050406
(408) 955-1690
 
Fast Output Discharge for Capacitive Loads
In many applications where a switch controller is turned
off by either removing the PCB from the backplane or
the ON pin is reset, capacitive loading will cause the
output to retain voltage unless a bleed (low impedance)
path is in place in order to discharge the capacitance.
The MIC2086 is equipped with an internal MOSFET that
allows the discharging of any load capacitance to ground
through   a   550&   path.   The   discharge   feature   is
configured by wiring the DIS pin to the output (source) of
the external MOSFET and becomes active (DIS pin
output is low) once the ON pin is deasserted. Figure 8(a)
illustrates the use of the discharge feature with an
optional resistor (R5) that can be used to provide added
resistance in the output discharge path. For an even
faster discharge response of capacitive loads, the
configuration of Figure 8(b) can be utilized to apply a
crowbar to ground through an external SCR (Q3) that is
triggered when the DIS pin goes low which turns on the
PNP transistor (Q2). See the different Functional
Characteristic curves for a comparison of the discharge
response configurations.
 
 
Figure 8. MIC2086 Fast Discharge of Capacitive Load
 
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MIC2086 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Single Channel Hot Swap Controllers
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MIC2086-JYQS 功能描述:热插拔功率分布 Single-channel Low Voltage Hot Swap Controller, VFAST = 100 mV, QSOP 20 (Lead-Free) RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
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