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LTC4371CMS#PBF

更新时间： 2024-09-24 20:03:51
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
22页 407K
描述
LTC4371 - Dual Negative Voltage Ideal Diode-OR Controller and Monitor; Package: MSOP; Pins: 10; Temperature Range: 0°C to 70°C

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中文翻译

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LTC4371CMS#PBF 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, TSSOP10,.19,20
针数：10Reach Compliance Code：compliant
风险等级：8.44模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PDSO-G10JESD-609代码：e3
长度：3 mm功能数量：2
端子数量：10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：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED座面最大高度：1.1 mm
最大供电电流 (Isup)：9.5 mA最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：12.4 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL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：NOT SPECIFIED
宽度：2 mmBase Number Matches：1

LTC4371CMS#PBF 数据手册

 浏览型号LTC4371CMS#PBF的Datasheet PDF文件第2页浏览型号LTC4371CMS#PBF的Datasheet PDF文件第3页浏览型号LTC4371CMS#PBF的Datasheet PDF文件第4页浏览型号LTC4371CMS#PBF的Datasheet PDF文件第5页浏览型号LTC4371CMS#PBF的Datasheet PDF文件第6页浏览型号LTC4371CMS#PBF的Datasheet PDF文件第7页 
LTC4371  
Dual Negative Voltage  
Ideal Diode-OR Controller  
and Monitor  
FeaTures  
DescripTion  
The LTC®4371 is a two-input negative voltage ideal diode-OR  
controller that drives external N-channel MOSFETs as a low  
dissipation alternative to Schottky diodes in high power –48V  
systems. Low power dissipation and voltage loss eliminates  
the need for heatsinks and reduces PC board area. Power  
sources can be easily ORed together to increase total system  
power and reliability.  
n
Controls N-Channel MOSFETs to Replace Power  
Schottky Diodes  
n
Low 15mV Forward Voltage Minimizes Dissipation  
n
Withstands > ±±33V Transients  
Fast Turn-Off: <223ns  
Shunt Regulated for High Voltage Applications  
n
n
n
4.5V Minimum Operation  
Low 35ꢀμA Quiescent Current  
n
The LTC4371 tolerates 3ꢀꢀV transients such as those  
experienced during lightning-induced surges and input  
supply short-circuit events. The internal shunt regulator  
and low 35ꢀμA quiescent current allow the use of a large  
value dropping resistor to protect the supply pin against  
high voltage transients, while the high impedance drain  
pins can be similarly protected by high value series resis-  
tors without compromising diode operation.  
n
5mA Gate Pull-Up for 6ꢀHz Applications  
n
High Impedance Drain Pins: <1ꢀμA Leakage  
n
Open Fuse and MOSFET Monitor  
n
1ꢀ-Pin (3mm × 3mm) DFN and MSOP Packages  
applicaTions  
n
–48V Telecom Power  
The 22ꢀns reverse current turn-off is achieved by a powerful  
2Agatedriverwithlowpropagationdelay, therebyminimizing  
peakreversecurrentundercatastrophicfaultconditions.Open  
MOSFETandfusefaultsareindicatedattheFAULTBpin,which  
is capable of sinking 5mA to drive an LED or opto isolator.  
n
AdvancedTCA Systems  
n
Network Routers and Switches  
Computer Systems and Servers  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Typical applicaTion  
RTN  
–48V/53A Diode-OR  
R
Z
30k  
Power Dissipation vs. Load Current  
R1  
33k  
40  
C1  
2.2μF  
V
Z
V
DD  
LTC4371  
FAULTB  
30  
DA  
DB  
GA  
GB SA SB  
V
SCHOTTKY DIODE  
SS  
D1  
(SBRT60U100CT)  
GREEN LED =  
R
20k  
R
DB  
20k  
DA  
MOSFETS GOOD  
20  
10  
0
V
V
POWER  
A
OUT  
M1*  
–36V TO  
–72V  
50A LOAD  
SAVED  
M3*  
MOSFET  
(2–IPT020N10N3)  
V
B
M2*  
M4*  
–36V TO  
–72V  
4371 TA01a  
0
10  
20  
30  
40  
50  
*M1-M4: IPT020N10N3  
CURRENT (A)  
4371 TA01b  
4371f  
1
For more information www.linear.com/LTC4371  
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