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LTC4252-2IMS#TRPBF PDF预览

LTC4252-2IMS#TRPBF

更新时间： 2024-09-17 13:01:35
品牌 Logo 应用领域
凌特 - Linear 二极管控制器
页数 文件大小 规格书
14页 185K
描述
LTC4252/LTC4252A - Negative Voltage Hot Swap Controllers; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

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中文翻译

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LTC4252-2IMS#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP,
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.11可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-G10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：10
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：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm最大供电电压 (Vsup)：14.5 V
最小供电电压 (Vsup)：11.5 V标称供电电压 (Vsup)：13 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：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3 mm
Base Number Matches：1

LTC4252-2IMS#TRPBF 数据手册

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LTC4354  
Negative Voltage  
Diode-OR Controller  
and Monitor  
FeaTures  
DescripTion  
The LTC®4354 is a negative voltage diode-OR controller  
that drives two external N-channel MOSFETs. It replaces  
two Schottky diodes and the associated heat sink, saving  
power and area. The power dissipation is greatly reduced  
by using N-channel MOSFETs as the pass transistors.  
Power sources can easily be ORed together to increase  
total system power and reliability.  
n
Controls N-Channel MOSFETs  
n
Replaces Power Schottky Diodes  
n
Less Than 1µs Turn-off Time Limits Peak  
Fault Current  
80V Operation  
n
n
Smooth Switchover without Oscillation  
n
No Reverse DC Current  
n
Fault Output  
When first powered up, the MOSFET body diode conducts  
the load current until the pass transistor is turned on.  
The LTC4354 servos the voltage drop across the pass  
transistors to ensure smooth transfer of current from one  
transistor to the other without oscillation.  
n
Selectable Fault Thresholds  
n
Available in 8-Lead (3mm × 2mm) DFN and  
8-Lead SO Packages  
applicaTions  
The MOSFETs are turned off in less than 1µs whenever  
the corresponding power source fails or is shorted. Fast  
turn-off prevents the reverse current from reaching a level  
that could damage the pass transistors.  
n
AdvancedTCASystems  
n
–48V Distributed Power Systems  
n
Computer Systems/Servers  
Telecom Infrastructure  
Optical Networks  
n
n
A fault detection circuit with an open-drain output capable  
ofdrivinganLEDoropto-couplerindicateseitherMOSFET  
short, MOSFET open or supply failed.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
Hot Swap, PowerPath and ThinSOT are trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
Typical applicaTion  
–48V Diode-OR  
Power Dissipation vs Load Current  
–48V_RTN  
6
12k  
5
33k  
DIODE (MBR10100)  
4
V
CC  
POWER  
SAVED  
LOAD  
LTC4354  
GA  
FAULT  
3
2
V
SS  
DA DB  
2k  
GB  
LED  
2k  
1µF  
1
FET (IRF3710)  
V
V
= –48V  
= –48V  
A
B
4354 TA01  
IRF3710  
0
0
4
6
8
10  
2
CURRENT (A)  
IRF3710  
4354 TA01b  
4354fc  
1
1234567...14

中文翻译

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LTC4252-2IMS#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4252-2IMS#PBF Linear

完全替代

 LTC4252/LTC4252A - Negative Voltage Hot Swap Controllers; Package: MSOP; Pins: 10; Tempera

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