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参数资料
| 型号： | LTC4361CDC-2#TRMPBF |
| 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： | 2 X 2 MM, LEAD FREE, PLASTIC, DFN-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 327K |
| 代理商： | LTC4361CDC-2#TRMPBF |
LTC4361-1/LTC4361-2
1
436112fa
TYPICAL APPLICATION
DESCRIPTION
Overvoltage/Overcurrent
Protection Controller
APPLICATIONS
n USB Protection
n Handheld Computers
n Cell/Smart Phones
n MP3/MP4 Players
n Digital Cameras
n 2.5V to 5.5V Operation
n Overvoltage Protection Up to 80V
n No Input Capacitor or TVS Required for Most
Applications
n 2% Accurate 5.8V Overvoltage Threshold
n 10% Accurate 50mV Overcurrent Circuit Breaker
n <1μs Overvoltage Turn-Off, Gentle Shutdown
n Controls N-Channel MOSFET
n Adjustable Power-Up dV/dt Limits Inrush Current
n Reverse Voltage Protection
n Power Good Output
n Low Current Shutdown
n Latchoff (LTC4361-1) or Auto-Retry (LTC4361-2)
After Overcurrent
n Available in 8-Lead ThinSOT and 8-Lead
(2mm
× 2mm) DFN Packages
The LTC4361 overvoltage/overcurrent protection control-
ler safeguards 2.5V to 5.5V systems from input supply
overvoltage. It is designed for portable devices with
multiple power supply options including wall adaptors,
car battery adaptors and USB ports.
The LTC4361 controls an external N-channel MOSFET in
series with the input power supply. During overvoltage
transients, the LTC4361 turns off the MOSFET within
1μs, isolating downstream components from the input
supply. Inductive cable transients are absorbed by the
MOSFET and load capacitance. In most applications, the
LTC4361 provides protection from transients up to 80V
without requiring transient voltage suppressors or other
external components.
The LTC4361 has a delayed start-up and adjustable dV/dt
ramp-up for inrush current limiting. A PWRGD pin provides
power good monitoring for VIN.TheLTC4361featuresasoft
shutdown controlled by the ON pin and drives an optional
external P-channel MOSFET for negative voltage protection.
Following an overvoltage condition, the LTC4361 automati-
cally restarts with a start-up delay. After an overcurrent
fault, the LTC4361-1 remains off while the LTC4361-2
automatically restarts after a 130ms start-up delay.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT, Hot Swap, No RSENSE and PowerPath are trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
Output Protected from Overvoltage at Input
Protection from Overvoltage and Overcurrent
GATE
Si1470DH
0.025Ω
SENSE
IN
436112 TA01a
VOUT
5V
1.5A
VIN
5V
LTC4361
ON
OUT
PWRGD
GND
COUT
VGATE
10V/DIV
VIN, VOUT
5V/DIV
0.5μs/DIV
436112 TA01b
Si1470DH
COUT = 10μF
VOUT
VIN
FEATURES
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4361CTS8-1#PBF | 制造商:Linear Technology 功能描述:Over Voltage Protection Controller 8-Pin TSOT-23 制造商:Linear Technology 功能描述:Bulk 制造商:Linear Technology 功能描述:MS-Hot Swap/Low Voltage, Cut Tape Overvoltage/Overcurrent Protection Controller with Latchoff |
| LTC4361CTS8-1#TRMPBF | 功能描述:IC OVERVOLTAGE/CUR PROT TSOT23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4361CTS8-1#TRPBF | 功能描述:IC CTLR OVP LATCHOFF TSOT23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4361CTS8-2#PBF | 制造商:Linear Technology 功能描述: |
| LTC4361CTS8-2#TRMPBF | 功能描述:IC OVERVOLTAGE/CUR PROT TSOT23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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