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LT1640ALIS8#PBF PDF预览

LT1640ALIS8#PBF

更新时间: 2024-01-31 05:54:19
品牌 Logo 应用领域
凌特 - Linear 电源电路电源管理电路光电二极管控制器
页数 文件大小 规格书
16页 317K
描述
LT1640A - Negative Voltage Hot Swap Controller; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

LT1640ALIS8#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.09可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:8
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:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):80 V
最小供电电压 (Vsup):10 V标称供电电压 (Vsup):48 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

LT1640ALIS8#PBF 数据手册

 浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第2页浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第3页浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第4页浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第5页浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第6页浏览型号LT1640ALIS8#PBF的Datasheet PDF文件第7页 
LT1640AL/LT1640AH  
Negative Voltage  
Hot Swap Controller  
U
FEATURES  
DESCRIPTIO  
The LT®1640AL/LT1640AH are 8-pin, negative voltage  
Hot SwapTM controllers that allow a board to be safely  
inserted and removed from a live backplane. Inrush cur-  
rent is limited to a programmable value by controlling the  
gate voltage of an external N-channel pass transistor. The  
pass transistor is turned off if the input voltage is less than  
the programmable undervoltage threshold or greater than  
the overvoltage threshold. A programmable electronic  
circuit breaker protects the system against shorts. The  
PWRGD (LT1640AL) or PWRGD (LT1640AH) signal can  
be used to directly enable a power module. The LT1640AL  
is designed for modules with a low enable input and the  
LT1640AH for modules with a high enable input.  
Allows Safe Board Insertion and Removal  
from a Live 48V Backplane  
Operates from –10V to 80V  
Programmable Inrush Current  
Allows 50mA of Reverse Drain Pin Current  
Programmable Electronic Circuit Breaker  
Programmable Overvoltage Protection  
Programmable Undervoltage Lockout  
Power Good Control Output  
U
APPLICATIO S  
Central Office Switching  
48V Distributed Power Systems  
The LT1640AL/LT1640AH are available in 8-pin PDIP and  
SO packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Hot Swap is a trademark of Linear Technology Corporation.  
Negative Power Supply Control  
U
TYPICAL APPLICATIO  
(SHORT PIN)  
GND  
Input Inrush Current  
GND  
R4†  
8
562k  
V
DD  
CONTACT  
BOUNCE  
1%  
3
2
UV = 37V  
OV = 71V  
UV  
OV  
R5†  
9.09k  
1%  
1
LT1640AL  
PWRGD  
R6†  
10k  
1%  
V
SENSE  
5
GATE  
6
DRAIN  
7
EE  
4
*
C1†  
150nF  
25V  
R3†  
18k  
5%  
R2  
10Ω  
5%  
C2†  
3.3nF  
100V  
R1†  
0.02Ω  
5%  
3
4
48V  
2
1
2
Q1  
IRF530  
ON/OFF  
1
9
8
+
+
+
5V  
V
V
V
IN  
OUT  
SENSE  
* DIODES INC. SMAT70A  
C3  
+
C4  
+
C5  
THESE COMPONENTS ARE APPLICATION  
SPECIFIC AND MUST BE SELECTED BASED  
7
6
5
0.1µF  
100µF  
TRIM  
100µF  
16V  
100V  
100V  
UPON OPERATING CONDITIONS AND DESIRED  
PERFORMANCE. SEE APPLICATIONS  
INFORMATION.  
SENSE  
4
V
IN  
OUT  
1640A F07b  
1640A TA01  
LUCENT  
JW050A1-E  
1

LT1640ALIS8#PBF 替代型号

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LT1640ALIS8 Linear

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