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MIC2595-2BM PDF预览

MIC2595-2BM

更新时间： 2024-09-18 22:54:51
品牌 Logo 应用领域
麦瑞 - MICREL 电源电路电源管理电路功率控制光电二极管信息通信管理高压控制器
页数 文件大小 规格书
17页 101K
描述
SINGLE-CHANNEL NEGATIVE HIGH VOLTAGE HOT SWAP POWER CONTROLLERS/SEQUENCERS

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中文翻译

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MIC2595-2BM 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：LSOP, SOP14,.25Reach Compliance Code：not_compliant
Factory Lead Time：1 week风险等级：5.84
Is Samacsys：N可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G14
JESD-609代码：e0长度：8.65 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSOP
封装等效代码：SOP14,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE峰值回流温度（摄氏度）：240
电源：48 V认证状态：Not Qualified
座面最大高度：1.6 mm子类别：Power Management Circuits
最大供电电流 (Isup)：6 mA最大供电电压 (Vsup)：80 V
最小供电电压 (Vsup)：19 V标称供电电压 (Vsup)：48 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3.9 mmBase Number Matches：1

MIC2595-2BM 数据手册

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MIC2589/MIC2595  
Single-Channel, Negative High-Voltage Hot  
Swap Power Controllers/Sequencers  
General Description  
Features  
The MIC2589 and MIC2595 are single-channel, negative-  
voltagehotswapcontrollersdesignedtoaddresstheneedfor  
safe insertion and removal of circuit boards into “live” system  
backplanes, while using few external components. The  
MIC2589/89R and the MIC2595/95R 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 volt-  
age slew-rate control. Overcurrent fault protection is also  
provided for which the overcurrent threshold and the  
overcurrent duration are programmable. Very fast fault re-  
sponse is provided to ensure that system power supplies  
maintain regulation even during output short circuits. This  
familyofferstworesponsestoacircuitbreakerfaultcondition:  
the MIC2589 and MIC2595 latch the circuit breaker’s output  
off if the overcurrent threshold interval is exceeded 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 stag-  
gered) Power-Good signals are provided to indicate that the  
output voltage of the inrush current limiter is within its valid  
operatingrange. Thesesignalscanbeusedtoperformanall-  
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 (MIC2589/95) or  
Output auto-retry (MIC2589R/95R)  
• Active current regulation precisely controls inrush  
currents  
• Regulated maximum output currents into faults  
• Programmable undervoltage and overvoltage lockouts  
(MIC2589/89R)  
• Programmable UVLO hysteresis (MIC2595/95R)  
• Staggered ‘Power-Good’ outputs provide load  
sequencing  
• Fault reporting:  
Active-HIGH (MIC25XX-1) and Active-LOW  
(MIC25XX-2) Power-Good signal output  
Applications  
• Central office switching  
• –48V power distribution  
• Distributed power systems  
All support documentation can be found on Micrel’s web  
site at www.micrel.com.  
Typical Application  
DC-DC Converter  
–
48V  
RETURN  
+2.5V  
IN+  
OUT  
(Long Pin)  
100µF  
/ON/OFF  
MIC2589-1BM  
MIC2589R-1BM  
–
48V  
+2.5V  
IN–  
GND  
RETURN  
RETURN  
1
(Short Pin)  
14  
3
PWRGD1  
PWRGD2  
PWRGD3  
PGTIMER  
CFILTER  
CNLD  
VDD  
UV  
R1  
698kΩ  
1%  
12  
13  
DC-DC Converter  
IN+ OUT  
+3.3V  
2
5
6
R2  
11.8kΩ  
1%  
100µF  
/ON/OFF  
+3.3V  
RETURN  
4
IN–  
GND  
OV  
R3  
12.4kΩ  
1%  
VEE  
SENSE GATE DRAIN  
7
9
10  
11  
CFILTER  
CPG  
DC-DC Converter  
IN+ OUT  
CNLD  
R4  
0Ω  
CGATE  
+5V  
100µF  
M1  
/ON/OFF  
–
48V  
+5V  
RETURN  
IN–  
GND  
INPUT  
(Long Pin)  
RSENSE  
Input Overvoltage = 71.2V  
Input Undervoltage = 36.5V  
(See "Functional Description"ˇ for more detail)  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
M9999-031504  
March 2004  
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中文翻译

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