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MIC2595R-1YMTR

更新时间： 2024-09-19 15:46:39
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
29页 4205K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14, LEAD FREE, SOIC-14

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MIC2595R-1YMTR 数据手册

 浏览型号MIC2595R-1YMTR的Datasheet PDF文件第2页浏览型号MIC2595R-1YMTR的Datasheet PDF文件第3页浏览型号MIC2595R-1YMTR的Datasheet PDF文件第4页浏览型号MIC2595R-1YMTR的Datasheet PDF文件第5页浏览型号MIC2595R-1YMTR的Datasheet PDF文件第6页浏览型号MIC2595R-1YMTR的Datasheet PDF文件第7页 
MIC2589/MIC2595  
Single-Channel, Negative High-Voltage Hot  
Swap Power Controller/Sequencer  
General Description  
Features  
The MIC2589 and MIC2595 are single-channel,  
negative voltage hot swap controllers designed to  
address the need for safe insertion and removal of  
circuit boards into “live” system backplanes, while using  
few external components. The MIC2589/MIC2589R and  
the MIC2595/MIC2595R are each available in 14-pin  
SOIC packaging and work in conjunction with an  
external N-Channel MOSFET for which the gate drive is  
controlled to provide inrush current limiting and output  
voltage slew-rate control. Overcurrent fault protection is  
also provided via a programmable overcurrent threshold  
and filter. Very fast fault response is provided to ensure  
that system power supplies maintain regulation even  
during output short circuits. These controllers offer two  
responses to a circuit breaker fault condition: the  
MIC2589 and MIC2595 latch the circuit breaker’s output  
off when the overcurrent threshold interval is exceeded  
and the overcurrent filter times out while the MIC2589R  
and MIC2595R automatically attempt to restart at a fixed  
duty cycle after a current limit fault. A primary Power-  
Good signal and two secondary (delayed and  
staggered) Power-Good signals are provided to indicate  
that the output voltage is within its valid operating range.  
These signals can be used to perform an all-at-once or  
a sequenced enabling of one or more DC-DC power  
modules.  
• Provides safe insertion and removal from live –48V  
(nominal) backplanes  
• Operates from –19V to –80V  
• Fast responding circuit breaker (<1µs) to short circuit  
conditions  
• User-programmable overcurrent detector response  
time  
• Electronic circuit breaker function:  
Output latch OFF (MIC2589/MIC2595)  
Output auto-retry (MIC2589R/MIC2595R)  
• Active current regulation to control inrush currents  
• Programmable undervoltage and overvoltage  
lockouts (MIC2589/MIC2589R)  
• Programmable UVLO hysteresis  
(MIC2595/MIC2595R)  
• Staggered ‘Power-Good’ output signals provide load  
sequencing  
Active-HIGH (-1)  
Active-LOW (-2)  
Applications  
• Central office switching  
• –48V power distribution  
• Distributed power systems  
• AdvancedTCA  
All support documentation can be found on Micrel’s web  
site at www.micrel.com.  
_________________________________________________________________________________________________________  
Ordering Information  
Part Number  
PWRGD  
Polarity  
Circuit Breaker  
Function  
Lockout Functions  
Package  
Standard  
Pb-Free  
MIC2589-1BM  
MIC2589-2BM  
MIC2589-1YM  
MIC2589-2YM  
Active-High  
Active-Low  
Active-High  
Active-Low  
Active-High  
Active-Low  
Active-High  
Active-Low  
Programmable UVLO & OVLO  
Programmable UVLO & OVLO  
Programmable UVLO & OVLO  
Programmable UVLO & OVLO  
Programmable UVLO Hysteresis  
Programmable UVLO Hysteresis  
Programmable UVLO Hysteresis  
Programmable UVLO Hysteresis  
Latched Off  
Latched Off  
Auto Retry  
Auto Retry  
Latched Off  
Latched Off  
Auto Retry  
Auto Retry  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
14-Pin SOIC  
MIC2589R-1BM MIC2589R-1YM  
MIC2589R-2BM MIC2589R-2YM  
MIC2595-1BM  
MIC2595-2BM  
MIC2595-1YM  
MIC2595-2YM  
MIC2595R-1BM MIC2595R-1YM  
MIC2595R-2BM MIC2595R-2YM  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-120505  
(408) 955-1690  
December 2005  
1234567...29

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