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LT1641CS8 PDF预览

LT1641CS8

更新时间: 2024-09-24 22:51:47
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
12页 190K
描述
Positive High Voltage Hot Swap Controller

LT1641CS8 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.09其他特性:UNDERVOLTAGE LOCKOUT; OVERVOLTAGE PROTECTION
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9025 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:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):235电源:9/80 V
认证状态:Not Qualified座面最大高度:1.752 mm
子类别:Power Management Circuits最大供电电流 (Isup):5.5 mA
最大供电电压 (Vsup):80 V最小供电电压 (Vsup):9 V
标称供电电压 (Vsup):24 V表面贴装:YES
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)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:20宽度:3.899 mm
Base Number Matches:1

LT1641CS8 数据手册

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Final Electrical Specifications  
LT1641  
Positive High Voltage  
Hot Swap Controller  
August 1999  
U
DESCRIPTIO  
FEATURES  
The LT®1641 is an 8-pin Hot SwapTM controller that allows  
a board to be safely inserted and removed from a live  
backplane. Using an external N-channel pass transistor,  
the board supply voltage can be ramped up at a program-  
mablerate.AhighsideswitchdrivercontrolsanN-channel  
gate for supply voltages ranging from 9V to 80V.  
Allows Safe Board Insertion and Removal from a  
Live Backplane  
Controls Supply Voltage from 9V to 80V  
Programmable Analog Foldback Current Limiting  
High Side Drive for an External N-Channel  
Automatic Retry or Latched Operation Mode  
User Programmable Supply Voltage Power-Up Rate  
The chip features a programmable analog foldback cur-  
rent limit circuit. If the chip remains in current limit for  
more than a programmable time, the N-channel pass  
transistor latches off and is optionally set to automatically  
restart after a time-out delay.  
Undervoltage Lockout  
Overvoltage Protection  
U
APPLICATIO S  
Hot Board Insertion  
The PWRGD output indicates when the output voltage,  
sensed by the FB pin, is within tolerance. The ON pin  
provides programmable undervoltage lockout.  
Electronic Circuit Breaker  
Industrial High Side Switch/Circuit Breaker  
24V/48V Industrial/Alarm Systems  
The LT1641 is available in the 8-lead SO package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Hot Swap is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
24V Input Voltage Application  
R
Q1  
IRF530  
S
0.01  
V
IN  
V
OUT  
24V  
D1  
CMPZ  
5248B  
C
L
R1  
49.9k  
1%  
R5  
R3  
59k  
1%  
10Ω  
5%  
C1  
10nF  
R6,  
1k, 5%  
R7  
24k  
5%  
8
7
6
V
SENSE GATE  
CC  
1
2
ON  
FB  
R4  
3.57k  
1%  
LT1641  
R2  
3.4k  
1%  
3
PWRGD  
PWRGD  
TIMER  
5
GND  
4
C2  
0.68µF  
1641 TA01  
GND  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

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