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| 型号： | LT1640HIS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 192K |
| 描述： | IC CONTRLR HOTSWAP NEGVOLT 8SOIC |
| 标准包装： | 100 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | -10 V ~ -80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
1
LT1640L/LT1640H
1640lhfb
Negative Voltage
Hot Swap Controller
s
Allows Safe Board Insertion and Removal
from a Live 48V Backplane
s
Operates from 10V to 80V
s
Programmable Inrush Current
s
Programmable Electronic Circuit Breaker
s
Programmable Overvoltage Protection
s
Programmable Undervoltage Lockout
s
Power Good Control Output
The LT
?/DIV>
1640L/LT1640H is an 8-pin, negative voltage Hot
Swap
TM
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
(LT1640L) or PWRGD (LT1640H) signal can be used to
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.
The LT1640L/LT1640H is available in 8-pin PDIP and SO
packages.
s
Central Office Switching
s
48V Distributed Power Systems
s
Negative Power Supply Control
Hot Swap is a trademark of Linear Technology Corporation.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Input Inrush Current
1640 F06b
V
EE
V
DD
LT1640L
SENSE
C1
150nF
25V
C2
3.3nF
100V
C3
0.1礔
100V
C4
100礔
100V
Q1
IRF530
R2
10&
5%
R3
18k
5%
1N4148
R4
562k
1%
R5
9.09k
1%
R6
10k
1%
R1
0.02&
5%
4
OV
GND
GND
(SHORT PIN)
3
2
48V
OV = 71V
*
* DIODES INC. SMAT70A
THESE COMPONENTS ARE APPLICATION
SPECIFIC AND MUST BE SELECTED BASED
UPON OPERATING CONDITIONS AND DESIRED
PERFORMANCE. SEE APPLICATIONS
INFORMATION.
UV = 37V
UV
5
6
8
7
1
GATE
DRAIN
PWRGD
1640 TA01
V
OUT
+
SENSE
+
TRIM
SENSE
V
OUT
V
IN
ON/OFF
LUCENT
JW050A1-E
V
IN
+
2
9
5V
8
7
6
5
1
4
+
C5
100礔
16V
+
4
3
2
1
APPLICATIO S
FEATURES
TYPICAL APPLICATIO
DESCRIPTIO
INRUSH
CURRENT
1A/DIV
GATE V
EE
10V/DIV
DRAIN
50V/DIV
V
EE
50V/DIV
5ms/DIV
CONTACT
BOUNCE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1640L | 制造商:LINER 制造商全称:Linear Technology 功能描述:Negative Voltage Hot Swap Controller |
| LT1640L_1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Negative Voltage Hot Swap Controller |
| LT1640LCN8 | 功能描述:IC CONTRLR HOTSWAP NEGVOLT 8-DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LT1640LCN8#PBF | 功能描述:IC CONTRLR HOTSWAP NEGVOLT 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LT1640LCS8 | 功能描述:IC CONTRLR HOTSWAP NEGVOLT 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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