参数资料
型号: LTC4357MPMS8#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: PLASTIC, MSOP-8
文件页数: 1/14页
文件大小: 723K
代理商: LTC4357MPMS8#TR
LTC4357
4357fd
Features
applications
Description
Positive High Voltage
Ideal Diode Controller
TheLTC4357isapositivehighvoltageidealdiodecontrol-
ler that drives an external N-channel MOSFET to replace a
Schottky diode. When used in diode-OR and high current
diodeapplications,theLTC4357reducespowerconsump-
tion, heat dissipation, voltage loss and PC board area.
The LTC4357 easily ORs power sources to increase total
system reliability. In diode-OR applications, the LTC4357
controls the forward voltage drop across the MOSFET to
ensure smooth current transfer from one path to the other
without oscillation. If the power source fails or is shorted,
a fast turn-off minimizes reverse current transients.
48V, 10A Diode-OR
n
Reduces Power Dissipation by Replacing a Power
Schottky Diode with an N-Channel MOSFET
n
0.5s Turn-Off Time Limits Peak Fault Current
n
Wide Operating Voltage Range: 9V to 80V
n
Smooth Switchover without Oscillation
n
No Reverse DC Current
n
Available in 6-Lead (2mm
× 3mm) DFN and
8-Lead MSOP Packages
n
N + 1 Redundant Power Supplies
n
High Availability Systems
n
AdvancedTCA Systems
n
Telecom Infrastructure
n
Automotive Systems
4357 TA01
LTC4357
GND
IN
OUT
VDD
GATE
FDB3632
VINA
48V
VOUT TO LOAD
LTC4357
GND
IN
OUT
VDD
GATE
FDB3632
VINB
48V
*SEE FIGURES 2 AND 3 FOR ADDITIONAL OPTIONAL COMPONENTS
Power Dissipation vs Load Current
typical application
CURRENT (A)
0
POWER
DISSIP
ATION
(W)
1
2
3
4
5
6
2
4
6
8
4357 TA01b
10
DIODE (MBR10100)
FET (FDB3632)
POWER
SAVED
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
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相关代理商/技术参数
参数描述
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LTC4358CFE#TRPBF 功能描述:IC IDEAL DIODE 5A 16-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份,工业/汽车,大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:带卷 (TR)
LTC4358IDE#PBF 功能描述:IC IDEAL DIODE 5A 14-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份,工业/汽车,大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:带卷 (TR)