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LT1640LIS8 PDF预览

LT1640LIS8

更新时间: 2024-01-19 03:54:15
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
12页 295K
描述
Negative Voltage Hot Swap Controller

LT1640LIS8 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP,
针数:8Reach Compliance Code:compliant
风险等级:5.09可调阈值:YES
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
峰值回流温度(摄氏度):260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:30宽度:3.9 mm
Base Number Matches:1

LT1640LIS8 数据手册

 浏览型号LT1640LIS8的Datasheet PDF文件第2页浏览型号LT1640LIS8的Datasheet PDF文件第3页浏览型号LT1640LIS8的Datasheet PDF文件第4页浏览型号LT1640LIS8的Datasheet PDF文件第5页浏览型号LT1640LIS8的Datasheet PDF文件第6页浏览型号LT1640LIS8的Datasheet PDF文件第7页 
LT1640L/LT1640H  
Negative Voltage  
Hot Swap Controller  
U
DESCRIPTION  
FEATURES  
Allows Safe Board Insertion and Removal  
The LT®1640L/LT1640H is an 8-pin, negative voltage Hot  
SwapTM controller that allows a board to be safely inserted  
and removed from a live backplane. Inrush current 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  
(LTC1640L)orPWRGD(LTC1640H)signalcanbeusedto  
directly enable a power module. The LT1640L is designed  
for modules with a low enable input and the LT1640H for  
modules with a high enable input.  
from a Live 48V Backplane  
Operates from –10V to 80V  
Programmable Inrush Current  
Programmable Electronic Circuit Breaker  
Programmable Overvoltage Protection  
Programmable Undervoltage Lockout  
Power Good Control Output  
U
APPLICATIONS  
Central Office Switching  
48V Distributed Power Systems  
Negative Power Supply Control  
The LT1640L/LT1640H is 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.  
U
TYPICAL APPLICATION  
Input Inrush Current  
GND  
8
R4  
562k  
1%  
V
DD  
CONTACT  
BOUNCE  
3
2
UV = 37V  
OV = 71V  
UV  
OV  
R5  
9.09k  
1%  
1
LT1640L  
PWRGD  
R6  
10k  
1%  
V
SENSE  
5
GATE  
6
DRAIN  
7
EE  
4
R2  
C1  
33nF  
24V  
R3  
10k  
5%  
10Ω  
C2  
3.3nF  
100V  
R1  
0.02Ω  
5%  
5%  
48V  
Q1  
2
IRF530  
ON/OFF  
1
9
8
+
+
+
5V  
V
V
V
IN  
IN  
OUT  
SENSE  
C3  
0.1µF  
100V  
+
C4  
+
C5  
7
6
5
100µF  
TRIM  
100µF  
16V  
100V  
SENSE  
4
V
OUT  
1640 F07b  
1640 TA01  
LUCENT  
JW050A1-E  
1

LT1640LIS8 替代型号

型号 品牌 替代类型 描述 数据表
LT4250LIS8#TRPBF Linear

完全替代

LT4250 - Negative 48V Hot Swap Controller; Package: SO; Pins: 8; Temperature Range: -40&am
MAX5921AESA+ MAXIM

类似代替

Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, ROHS COMPL
LT4250LCS8#PBF Linear

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