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LT4363MPS-1#PBF

更新时间： 2024-11-11 21:13:31
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
24页 309K
描述
LT4363 - High Voltage Surge Stopper with Current Limit; Package: SO; Pins: 16; Temperature Range: -55°C to 125°C

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LT4363MPS-1#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：16Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：8.33
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：9.906 mm
湿度敏感等级：1功能数量：1
端子数量：16最高工作温度：125 °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）：NOT SPECIFIED
座面最大高度：1.752 mm最大供电电压 (Vsup)：80 V
最小供电电压 (Vsup)：4 V标称供电电压 (Vsup)：12 V
表面贴装：YES温度等级：AUTOMOTIVE
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：3.899 mm
Base Number Matches：1

LT4363MPS-1#PBF 数据手册

 浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第2页浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第3页浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第4页浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第5页浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第6页浏览型号LT4363MPS-1#PBF的Datasheet PDF文件第7页 
LT4363  
High Voltage Surge  
Stopper with Current Limit  
FeaTures  
DescripTion  
TheLT®4363surgestopperprotectsloadsfromhighvoltage  
transients. It regulates the output during an overvoltage  
event, such as load dump in vehicles, by controlling the  
gateofanexternalN-channelMOSFET.Theoutputislimited  
to a safe value allowing the loads to continue functioning.  
The LT4363 also monitors the voltage drop between the  
SNS and OUT pins to protect against overcurrent faults.  
An internal amplifier limits the voltage across the current  
sense resistor to 50mV. In either fault condition, a timer is  
startedinverselyproportionaltoMOSFETstress.Beforethe  
timer expires, the FLT pin pulls low to warn of an impend-  
ing power down. If the condition persists, the MOSFET is  
turned off. The LT4363-1 remains off until reset whereas  
the LT4363-2 restarts after a cool down period.  
n
Withstands Surges Over 100V with V Clamp  
CC  
n
Wide Operating Voltage Range: 4V to 80V  
n
Adjustable Output Clamp Voltage  
n
Fast Overcurrent Limit: Less Than 5µs  
n
Reverse Input Protection to –60V  
n
Adjustable UV/OV Comparator Thresholds  
n
Low 7µA Shutdown Current  
n
Shutdown Pin Withstands –60V to 100V  
n
Adjustable Fault Timer  
Controls N-Channel MOSFET  
n
n
Less Than 1% Retry Duty Cycle During Faults,  
LT4363-2  
n
Available in 12-Pin (4mm × 3mm) DFN, 12-Pin  
MSOP and 16-Pin SO Packages  
Two precision comparators can monitor the input supply  
for overvoltage (OV) and undervoltage (UV) conditions.  
When the potential is below the UV threshold, the external  
MOSFETiskeptoff. Iftheinputsupplyvoltageisabovethe  
OV threshold, the MOSFET is not allowed to turn back on.  
Back-to-back MOSFETs can be used in lieu of a Schottky  
diode for reverse input protection, reducing voltage drop  
and power loss. A shutdown pin reduces the quiescent  
current to less than 7µA during shutdown.  
applicaTions  
n
Automotive/Avionic/Industrial Surge Protection  
n
Hot Swap™/Live Insertion  
n
High Side Switch for Battery Powered Systems  
Intrinsic Safety Applications  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
No R  
, ThinSOT and Hot Swap are trademarks of Linear Technology Corporation. All other  
SENSE  
trademarks are the property of their respective owners.  
Typical applicaTion  
4A, 12V Overvoltage Output Regulator with 150V Surge Protection  
Overvoltage Protector Regulates  
Output at 27V During Transient  
10mΩ  
FDB33N25  
V
OUTPUT  
CLAMP  
AT 16V  
IN  
12V  
C
= 6.8µF  
= 500mA  
80V INPUT SURGE  
TMR  
22µF  
1k  
I
LOAD  
10Ω  
57.6k  
4.99k  
V
IN  
0.1µF  
V
GATE SNS  
OUT  
FB  
20V/DIV  
CC  
127k  
SMAJ58A  
V
CC  
SHDN  
12V  
12V  
27V ADJUSTABLE CLAMP  
100ms/DIV  
DC/DC  
CONVERTER  
UV  
LT4363-2  
V
OUT  
20V/DIV  
49.9k  
ENOUT  
SHDN  
GND  
OV  
FLT  
FAULT  
4363 TA01b  
GND  
TMR  
4363 TA01  
0.1µF  
4363fb  
1
For more information www.linear.com/LT4363  
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