参数资料
型号: MIC2341R-2YTQ TR
厂商: Micrel Inc
文件页数: 22/32页
文件大小: 1277K
描述: IC HOT PLUG CTLR DUAL PCI 48TQFP
标准包装: 2,000
类型: 热交换控制器
应用: 通用型,PCI Express?
内部开关:
电流限制: 可调
电源电压: 3.3V,12V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 带卷 (TR)
Micrel, Inc.
MIC2341/2341R
 
 
October 2007 
22
M9999-102507-A
 (408) 944-0800
 
 
 
Figure 6. MIC2341R Auto-Retry Timing Diagram and Operation
 
 
In very cost-sensitive applications, the system design
engineer   can   save   the   cost   of   the   (2)   external
CFILTER[A/B] capacitors by using only the digital filter
and/or the auto-retry delay counters. This mode is
automatically invoked by connecting the MIC2341 or the
MIC2341Rs CFILTER[A/B] pins directly to AGND. In this
configuration, the primary OC detectors response time
t
FLT
 is equal to t
DFLT
 (or 40ms as above) In Figure 7,
the gate drive circuits have taken control and regulate
the inrush current to charge the load capacitances in
current limit. Once the internal digital filter delay counter
terminates, the circuit breaker trips off. As in the
previous   case,   the   MIC2341   latches   off   and   the
MIC2341R initiates the auto-retry delay counter to count
up to 820ms before attempting another power-up cycle.
 
 
 
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