LTC4227
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LTC4227

双通道理想二极管和单通道热插拔控制器

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特性
  • 用于冗余电源的电源通路和浪涌电流控制
  • 功率肖特基二极管的低损耗替代方案
  • 允许在带电背板上安全地进行电路板的插拔操作
  • 2.9V 至 18V 工作范围
  • 可控制 N 沟道 MOSFET
  • 可在 ≤1μs 的时间里实现对峰值故障电流的限制
  • 0.5μs 理想二极管接通和反向关断时间
  • 可调的电流限值和电路断路器           
  • 无振荡的平滑切换
  • 可调的电流限制故障延迟
  • 故障和电源状态输出
  • 20 引脚 4mm x 5mm QFN 封装和 16 引脚 SSOP 封装
更多细节
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LTC®4227 通过控制外部 N 沟道 MOSFET 为两个电源轨提供了“理想二极管或”和热插拔 (Hot Swap™) 功能。起理想二极管作用的 MOSFET 替代了两个高功率肖特基二极管及相关联的散热器，从而节省了功率和电路板面积。一个热插拔控制 MOSFET 通过限制浪涌电流而允许在带电背板上安全地进行电路板的插拔操作。另外，还利用快速动作电流限制和内部定时电路断路器对电源输出提供了针对短路故障的保护。

LTC4227 可调节 MOSFET 两端的正向压降，以确保实现从一个电源至另一个电源的无振荡平滑电流转移。理想二极管快速接通以减小电源切换期间的负载电压降。倘若输入电源发生故障或者短路，则快速关断能够较大限度地减小反向瞬态电流。

LTC4227 可提供接通 / 关断控制，并报告电源的故障及良好运行状态。



应用

  • 冗余电源和电源保持
  • 计算机系统和服务器
  • 电信网络
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LTC4227

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数据手册

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更新 07/11/2013
英文

LTC4227: Dual Ideal Diode and Single Hot Swap Controller Data Sheet

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更新 05/24/2012
日文

LTC4227: デュアル理想ダイオードおよびシングルHot Swap コントローラ データシート

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可靠性数据

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更新 03/26/2018
英文
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更新 03/05/2014
英文
DC1625A - Demo Manual redirect icon

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技术文章

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更新 04/03/2013
中文
理想二极管和热插拔控制器实现电源冗余并隔离故障 redirect icon

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产品技术资料帮助

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ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。

参考资料

参考资料

ADI 始终高度重视提供符合最高质量和可靠性水平的产品。我们通过将质量和可靠性检查纳入产品和工艺设计的各个范围以及制造过程来实现这一目标。出货产品的“零缺陷”始终是我们的目标。查看我们的质量和可靠性计划和认证以了解更多信息。

产品型号 引脚/封装图-中文版 文档 CAD 符号，脚注和 3D模型
LTC4227CGN-1#PBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC4227CGN-1#TRPBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC4227CGN-2#PBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC4227CGN-2#TRPBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC4227CUFD-1#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-1#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-2#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-2#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-3#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-3#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-4#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227CUFD-4#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IGN-1#PBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IGN-1#TRPBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IGN-2#PBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IGN-2#TRPBF 16-Lead SSOP (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-1#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-1#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-2#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-2#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-3#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-3#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-4#PBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LTC4227IUFD-4#TRPBF 20-Lead QFN (4mm x 5mm x 0.75mm w/ EP) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link

根据型号筛选

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产品型号

产品生命周期

PCN

10月 11, 2022

- 22_0235

Epoxy Change from Henkel 8290 to 8290A for GN Package

LTC4227CGN-1#PBF

量产

LTC4227CGN-1#TRPBF

量产

LTC4227CGN-2#PBF

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LTC4227CGN-2#TRPBF

量产

LTC4227IGN-1#PBF

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LTC4227IGN-1#TRPBF

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LTC4227IGN-2#PBF

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LTC4227IGN-2#TRPBF

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pdf

PCN22_0235_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon

xlsm

Delta Qualification Matrix

Download

4月 6, 2022

- 22_0066

Laser Top Mark for 16QSOP Assembled in ADPG [PNG]

LTC4227CGN-1#PBF

量产

LTC4227CGN-1#TRPBF

量产

LTC4227CGN-2#PBF

量产

LTC4227CGN-2#TRPBF

量产

LTC4227IGN-1#PBF

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LTC4227IGN-1#TRPBF

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LTC4227IGN-2#PBF

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LTC4227IGN-2#TRPBF

量产

pdf

PCN22_0066_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download

根据型号筛选

reset

重置过滤器

产品型号

产品生命周期

PCN

10月 11, 2022

- 22_0235

arrow down

Epoxy Change from Henkel 8290 to 8290A for GN Package

LTC4227CGN-1#PBF

量产

LTC4227CGN-1#TRPBF

量产

LTC4227CGN-2#PBF

量产

LTC4227CGN-2#TRPBF

量产

LTC4227IGN-1#PBF

量产

LTC4227IGN-1#TRPBF

量产

LTC4227IGN-2#PBF

量产

LTC4227IGN-2#TRPBF

量产

pdf

PCN22_0235_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon

xlsm

Delta Qualification Matrix

Download
4月 6, 2022

- 22_0066

arrow down

Laser Top Mark for 16QSOP Assembled in ADPG [PNG]

LTC4227CGN-1#PBF

量产

LTC4227CGN-1#TRPBF

量产

LTC4227CGN-2#PBF

量产

LTC4227CGN-2#TRPBF

量产

LTC4227IGN-1#PBF

量产

LTC4227IGN-1#TRPBF

量产

LTC4227IGN-2#PBF

量产

LTC4227IGN-2#TRPBF

量产

pdf

PCN22_0066_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download
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软件和型号相关生态系统

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LTC4235
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推荐新设计使用

具电流监视器的双通道 12V 理想二极管 “或” 和单通道热插拔控制器

评估套件

评估套件 4

reference details image

DC1625A-B

LTC4227CUFD-2 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 100ms On Delay

zoom

DC1625A-B

LTC4227CUFD-2 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 100ms On Delay

download icon

下载

 print icon

打印
DC1625A-B
LTC4227CUFD-2 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 100ms On Delay
立即购买 更多内容

产品详情

DC1625A-B: Demo Board for the LTC4227 Dual Ideal Diode and Single Hot Swap Controller.

资料

pdf icon

PDF

DC1625A - Schematic Download

51.00K

pdf icon

ZIP

DC1625A - Design Files Download

1.00M

pdf icon

PDF

DC1625A - Demo Manual Download

243.00K

更多 Arrow image
reference details image

DC1625A-D

LTC4227CUFD-4 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 1.6ms On Delay

zoom

DC1625A-D

LTC4227CUFD-4 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 1.6ms On Delay

download icon

下载

 print icon

打印
DC1625A-D
LTC4227CUFD-4 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 1.6ms On Delay
立即购买 更多内容

产品详情

Demonstration circuit 1625A is intended to demonstrate performance of the LTC4227-1/LTC4227-2/LTC4227-3/LTC4227-4 dual ideal diode and Hot Swap™ controller. Each rail has an individual ideal diode. Ideal diode outputs are connected to the load through a single Hot Swap circuit.


 


 


资料

pdf icon

PDF

DC1625A - Schematic Download

51.00K

pdf icon

ZIP

DC1625A - Design Files Download

1.00M

pdf icon

PDF

DC1625A - Demo Manual Download

243.00K

更多 Arrow image
reference details image

DC1625A-A

LTC4227CUFD-1 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 100ms On Delay

zoom

DC1625A-A

LTC4227CUFD-1 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 100ms On Delay

download icon

下载

 print icon

打印
DC1625A-A
LTC4227CUFD-1 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 100ms On Delay
立即购买 更多内容

产品详情

DC1625A-A: Demo Board for the LTC4227 Dual Ideal Diode and Single Hot Swap Controller.

资料

pdf icon

PDF

DC1625A - Schematic Download

51.00K

pdf icon

ZIP

DC1625A - Design Files Download

1.00M

pdf icon

PDF

DC1625A - Demo Manual Download

243.00K

更多 Arrow image
reference details image

DC1625A-C

LTC4227CUFD-3 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 1.6ms On Delay

zoom

DC1625A-C

LTC4227CUFD-3 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 1.6ms On Delay

download icon

下载

 print icon

打印
DC1625A-C
LTC4227CUFD-3 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 1.6ms On Delay
立即购买 更多内容

产品详情

Demonstration circuit 1625A is intended to demonstrate performance of the LTC4227-1/LTC4227-2/LTC4227-3/LTC4227-4 dual ideal diode and Hot Swap™ controller. Each rail has an individual ideal diode. Ideal diode outputs are connected to the load through a single Hot Swap circuit.


 


资料

pdf icon

PDF

DC1625A - Schematic Download

51.00K

pdf icon

ZIP

DC1625A - Design Files Download

1.00M

pdf icon

PDF

DC1625A - Demo Manual Download

243.00K

更多 Arrow image

评估套件4

evaluation kit item images

DC1625A-B

LTC4227CUFD-2 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 100ms On Delay
evaluation kit item images

DC1625A-D

LTC4227CUFD-4 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Auto-Retry and 1.6ms On Delay
evaluation kit item images

DC1625A-A

LTC4227CUFD-1 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 100ms On Delay
evaluation kit item images

DC1625A-C

LTC4227CUFD-3 Demo Board: Dual Ideal Diode and Single Hot Swap Controller with Fault Latch-Off and 1.6ms On Delay
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工具及仿真模型 1

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。

启动此部分的现成LTspice演示电路：

第1步：下载并在计算机上安装LTspice。

第2步：单击下面的链接，下载演示电路。

第3步：如果在单击以下链接之后LTspice未自动打开，可通过右击该链接并选择“目标另存为”来运行该仿真。将文件保存到计算机之后，请启动LTspice并从“文件”菜单中选择“打开”来打开演示电路。

spice tool Lt Spice

LTC4227 - Power Monitor, Control, and Protection Download

4.3 K
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