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MIC2583-LBQS 参数 Datasheet PDF下载

MIC2583-LBQS图片预览
型号: MIC2583-LBQS
PDF下载: 下载PDF文件 查看货源
内容描述: 单通道热插拔控制器 [Single Channel Hot Swap Controllers]
分类和应用: 光电二极管控制器
文件页数/大小: 25 页 / 826 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC2582/MIC2583
Single Channel Hot Swap Controllers
General Description
The MIC2582 and MIC2583 are single channel positive
voltage hot swap controllers designed to allow the safe
insertion of boards into live system backplanes. The
MIC2582 and MIC2583 are available in 8-pin SOIC and
16-pin QSOP packages, respectively. Using a few external
components and by controlling the gate drive of an
external N-Channel MOSFET device, the MIC2582/83
provide inrush current limiting and output voltage slew rate
control in harsh, critical power supply environments.
Additionally, a circuit breaker function will latch the output
MOSFET off if the current limit threshold is exceeded for a
determined period. The MIC2583R option includes an
auto-restart function upon detecting an over current
condition.
Datasheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
MIC2582:
Pin-for-pin functional equivalent to the LTC1422
2.3V to 13.2V supply voltage operation
Surge voltage protection up to 20V
Current regulation limits inrush current regardless of load
capacitance
Programmable inrush current limiting
Electronic circuit breaker
Optional dual-level overcurrent threshold detects
excessive load faults
Fast response to short circuit conditions (<1µs)
Programmable output under-voltage detection
Under-voltage Lockout (UVLO) protection
Auto-restart function (MIC2583R)
Power-On Reset and Power-Good status outputs
(Power-Good for the MIC2583 and MIC2583R only)
/FAULT status output (MIC2583 and MIC2583R)
Applications
RAID systems
Base stations
PC board hot swap insertion and removal
+12V backplanes
Network switches
___________________________________________________________________________________________________________
Typical Applications
Figure 1. MIC2583/83R Typical Application Circuit
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2009
M9999-043009-C