LT1431
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LT1431

可编程基准

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LTspice LTC3725 - Switching Regulators, LT1431 - Voltage References Download 5.29 KB LTspice LT1431 - Voltage References Download 1.34 KB LTspice LTC3723-1/LT1431 Demo Circuit - 130W High Efficiency Isolated Non-Synchronous Push-Pull Converter (34-38V to 50V @ 2.6A) Download 7.00KB LTspice LTC3705 - Switching Regulators, LT1431 - Voltage References Download 7.24 KB LTspice LT1431 Demo Circuit - 5V Power Supply Monitor with ±500mV Window and 50mV Hysteresis Download 2.00KB LTspice LT3753 - Switching Regulators, LT1431 - Voltage References Download 9.2 KB LTspice LT8310/LT1431 Demo Circuit - 72 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (36-72V to 12V @ 6A) Download 7.00KB LTspice LT8310/LT1431 Demo Circuit - 81 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (10.8-26.4V to 54V @ 1.5A) Download 7.00KB LTspice LT3753/LT1431 Demo Circuit - 80W Active Clamp Non-Synchronous Forword Converter for PoE Download 10.00KB LTspice LT8310/LT1431 Demo Circuit - 92W Isolated Nonsynchronous Forward Converter with Opto Feedback (43-53V to 54V @ 1.7A) Download 8.00KB
产品模型 12
特性
  • 0.4% 的保证初始电压容差
  • 0.1Ω 典型动态输出阻抗
  • 快速接通
  • 吸收电流能力：1mA 至 100mA
  • 低基准引脚电流
  • 采用 J8、N8、S8 或 3 引脚 TO-92 Z 封装

更多细节
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LT®1431 是一款可调型并联稳压器，具有 100mA 的电流吸收能力、0.4% 的初始基准电压容差和 0.3% 的典型温度稳定性。内置分压电阻器允许将 LT1431 配置成一个具有 1% 初始电压容差的 5V 并联稳压器，且无需额外的外部组件。通过增设两个外部电阻器，可以将输出电压设定为 2.5V 至 36V 之间的任意数值。100mA 的标称内部电流限值可通过采用一个外部电阻器来减小。

可为相关应用提供一个简化的 3 引脚版本 LT1431CZ / LT1431IZ 作为可调型基准，其引脚与 TL431 相兼容。



Applications

  • 线性稳压器
  • 可调型电源
  • 开关电源
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file 查看数据手册
Documentation 查看所有文档
LTspice LTC3725 - Switching Regulators, LT1431 - Voltage References Download 5.29 KB LTspice LT1431 - Voltage References Download 1.34 KB LTspice LTC3723-1/LT1431 Demo Circuit - 130W High Efficiency Isolated Non-Synchronous Push-Pull Converter (34-38V to 50V @ 2.6A) Download 7.00KB LTspice LTC3705 - Switching Regulators, LT1431 - Voltage References Download 7.24 KB LTspice LT1431 Demo Circuit - 5V Power Supply Monitor with ±500mV Window and 50mV Hysteresis Download 2.00KB LTspice LT3753 - Switching Regulators, LT1431 - Voltage References Download 9.2 KB LTspice LT8310/LT1431 Demo Circuit - 72 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (36-72V to 12V @ 6A) Download 7.00KB LTspice LT8310/LT1431 Demo Circuit - 81 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (10.8-26.4V to 54V @ 1.5A) Download 7.00KB LTspice LT3753/LT1431 Demo Circuit - 80W Active Clamp Non-Synchronous Forword Converter for PoE Download 10.00KB LTspice LT8310/LT1431 Demo Circuit - 92W Isolated Nonsynchronous Forward Converter with Opto Feedback (43-53V to 54V @ 1.7A) Download 8.00KB
产品模型 12
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LT1431

文档

17
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1 应用

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  • 应用笔记
  • 设计笔记
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  • 英文
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数据手册

2

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PDF

更新 07/19/2011
英文

LT1431: Programmable Reference Data Sheet

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227.00K
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更新 03/12/2012
日文

LT1431: プログラム可能なリファレンス データシート

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410.00K
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应用笔记

8

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PDF

更新 08/20/2007
英文
AN46 - Efficiency and Power Characteristics of Switching Regulator Circuits redirect icon

2.00M

download

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PDF Vector

PDF

更新 08/20/2007
英文
AN90 - Current Sources for Fiber Optic Lasers: A Compendium of Pleasant Current Events redirect icon

399.00K

download

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PDF Vector

PDF

更新 08/20/2007
英文
AN70 - A Monolithic Switching Regulator with 100µV Output Noise redirect icon

1.00M

download

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PDF Vector

PDF

更新 08/20/2007
中文
AN70 - 100μV输出噪声的单片开关稳压器 redirect icon

1.00M

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PDF Vector

PDF

更新 08/20/2007
英文
AN62 - Data Acquisition Circuit Collection redirect icon

340.00K

download

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PDF Vector

PDF

更新 08/20/2007
英文
AN75 - Circuitry for Signal Conditioning and Power Conversion redirect icon

495.00K

download

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PDF

更新 08/20/2007
中文
AN75：Circuitry for Signal Conditioning and Power Conversion redirect icon

495.00K

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HTML

更新 09/28/2020
英文
AN-42: Voltage Reference Circuit Collection redirect icon

设计笔记

5

PDF Vector

PDF

更新 04/01/2014
英文
DN54 - A 4-Cell Ni-Cad Regulator/Charger for Notebook Computers redirect icon

75.00K

download

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PDF Vector

PDF

更新 08/21/2007
英文
DN143 - Single IC, Power Factor Corrected, Off-Line Supply redirect icon

136.00K

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PDF

更新 02/21/2008
日文
DN143 - 力率補正されたオフライン電源用シングルIC redirect icon

67.00K

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HTML

更新 03/01/1998
英文
Design Note 175: Off-Line Low Noise Power Supply Does Not Require Filtering to Meet FCC Emission Requirements redirect icon

PDF Vector

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更新 03/08/1990
英文
Design Note 32: A Simple Ultra-Low Dropout Regulator redirect icon

用户手册

1

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PDF

更新 09/24/2009
英文
DC259A - Demo Manual redirect icon

532.00K

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可靠性数据

1

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更新 03/23/2018
英文
R114 Reliability Data redirect icon

20.88 K

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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

技术文档 13
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数据手册 1

LT1431: Programmable Reference Data Sheet

可靠性数据 1

R114 Reliability Data

用户手册 1

DC259A - Demo Manual

应用笔记 6

AN70 - 100μV输出噪声的单片开关稳压器
AN75：Circuitry for Signal Conditioning and Power Conversion
AN46 - Efficiency and Power Characteristics of Switching Regulator Circuits
AN90 - Current Sources for Fiber Optic Lasers: A Compendium of Pleasant Current Events
AN62 - Data Acquisition Circuit Collection
AN-42: Voltage Reference Circuit Collection

设计笔记 4

DN54 - A 4-Cell Ni-Cad Regulator/Charger for Notebook Computers
DN143 - Single IC, Power Factor Corrected, Off-Line Supply
Design Note 175: Off-Line Low Noise Power Supply Does Not Require Filtering to Meet FCC Emission Requirements
Design Note 32: A Simple Ultra-Low Dropout Regulator

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
LT1431CN8#PBF 8-Lead PDIP (Narrow 0.3 Inch) external-link
  • HTML
  • Material Declaration external-link
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  • Reliablity Data external-link
LT1431CS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431CS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431CZ#PBF 3-Lead TO-92 external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431CZ#TRPBF 3-Lead TO-92 external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431IN8#PBF 8-Lead PDIP (Narrow 0.3 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431IS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431IS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431IZ#PBF 3-Lead TO-92 external-link
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  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431IZ#TRPBF 3-Lead TO-92 external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431MPS8#PBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
  • HTML
  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
LT1431MPS8#TRPBF 8-Lead SOIC (Narrow 0.15 Inch) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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10月 11, 2022

- 22_0241

Epoxy Change from Henkel 8290 to 8290A for PDIP Package

LT1431CN8#PBF

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LT1431IN8#PBF

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PCN22_0241_Form

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xls

Material_Report

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pdf

Qualification Results Summary

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8月 6, 2022

- 22_0172

Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG]

LT1431CN8#PBF

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LT1431IN8#PBF

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PCN22_0172_Form

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Material_Report

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Delta Qualification Matrix

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10月 12, 2022

- 22_0254

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)

LT1431CS8#PBF

量产

LT1431CS8#TRPBF

量产

LT1431IS8#PBF

量产

LT1431IS8#TRPBF

量产

LT1431MPS8#PBF

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LT1431MPS8#TRPBF

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PCN22_0254_Form

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xls

Material_Report

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pdf

Qualification Results Summary

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xlsm

Delta Qualification Matrix

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6月 11, 2021

- 21_0060

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

LT1431CS8#PBF

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LT1431CS8#TRPBF

量产

LT1431IS8#PBF

量产

LT1431IS8#TRPBF

量产

LT1431MPS8#PBF

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LT1431MPS8#TRPBF

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pdf

PCN21_0060_Form

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xls

Material_Report

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xlsm

Delta Qualification Matrix

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2月 20, 2022

- 22_0014

Final Packaging Changes for TO-92, TO-5 and TO-46

LT1431CZ#PBF

量产

LT1431IZ#PBF

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pdf

PCN22_0014_Form

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xls

Material_Report

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pdf

Other

external-icon

3月 6, 2022

- 22_0014

Final Packaging Changes for TO-92, TO-5 and TO-46

LT1431CZ#TRPBF

量产

LT1431IZ#TRPBF

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pdf

PCN22_0014_Form

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xls

Material_Report

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pdf

Other

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根据型号筛选

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重置过滤器

产品型号

产品生命周期

PCN

10月 11, 2022

- 22_0241

arrow down

Epoxy Change from Henkel 8290 to 8290A for PDIP Package

LT1431CN8#PBF

量产

LT1431IN8#PBF

量产

pdf

PCN22_0241_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon
8月 6, 2022

- 22_0172

arrow down

Laser Top Mark Conversion for PDIP Packages Assembled in ADPG [PNG]

LT1431CN8#PBF

量产

LT1431IN8#PBF

量产

pdf

PCN22_0172_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download
10月 12, 2022

- 22_0254

arrow down

Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)

LT1431CS8#PBF

量产

LT1431CS8#TRPBF

量产

LT1431IS8#PBF

量产

LT1431IS8#TRPBF

量产

LT1431MPS8#PBF

量产

LT1431MPS8#TRPBF

量产

pdf

PCN22_0254_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon

xlsm

Delta Qualification Matrix

Download
6月 11, 2021

- 21_0060

arrow down

Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM

LT1431CS8#PBF

量产

LT1431CS8#TRPBF

量产

LT1431IS8#PBF

量产

LT1431IS8#TRPBF

量产

LT1431MPS8#PBF

量产

LT1431MPS8#TRPBF

量产

pdf

PCN21_0060_Form

external-icon

xls

Material_Report

Download

xlsm

Delta Qualification Matrix

Download
2月 20, 2022

- 22_0014

arrow down

Final Packaging Changes for TO-92, TO-5 and TO-46

LT1431CZ#PBF

量产

LT1431IZ#PBF

量产

pdf

PCN22_0014_Form

external-icon

xls

Material_Report

Download

pdf

Other

external-icon
3月 6, 2022

- 22_0014

arrow down

Final Packaging Changes for TO-92, TO-5 and TO-46

LT1431CZ#TRPBF

量产

LT1431IZ#TRPBF

量产

pdf

PCN22_0014_Form

external-icon

xls

Material_Report

Download

pdf

Other

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软件和型号相关生态系统

评估套件 1

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DC259A

LT1339、LTC1693、LT1431隔离式演示板 | 电信模块，36至 72VIN， 5V 或 3.3VOUT (10A)

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DC259A

LT1339、LTC1693、LT1431隔离式演示板 | 电信模块，36至 72VIN， 5V 或 3.3VOUT (10A)

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DC259A
LT1339、LTC1693、LT1431隔离式演示板 | 电信模块，36至 72VIN， 5V 或 3.3VOUT (10A)
立即购买 更多内容

产品详情

演示板DC259A通过36至72VDC源提供隔离式3.3V或5VOUT (10A)电压。DC259A包括下列产品：

LT1431——可编程基准电压源

LT1339——高功率同步DC/DC控制器

LTC1693——高速单通道/双N沟道MOSFET驱动器

资料

pdf icon

PDF

DC259A - Demo Manual Download

532.00K

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PDF

DC259A - Schematic Download

66.00K

pdf icon

ZIP

DC259A - Design File Download

559.00K

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评估套件1

evaluation kit item images

DC259A

LT1339、LTC1693、LT1431隔离式演示板 | 电信模块，36至 72VIN， 5V 或 3.3VOUT (10A)

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

LTC3725 - Switching Regulators, LT1431 - Voltage References Download

5.29 K

spice tool Lt Spice

LT1431 - Voltage References Download

1.34 K

spice tool Lt Spice

LTC3723-1/LT1431 Demo Circuit - 130W High Efficiency Isolated Non-Synchronous Push-Pull Converter (34-38V to 50V @ 2.6A) Download

7.00K

spice tool Lt Spice

LTC3705 - Switching Regulators, LT1431 - Voltage References Download

7.24 K

spice tool Lt Spice

LT1431 Demo Circuit - 5V Power Supply Monitor with ±500mV Window and 50mV Hysteresis Download

2.00K

spice tool Lt Spice

LT3753 - Switching Regulators, LT1431 - Voltage References Download

9.2 K

spice tool Lt Spice

LT8310/LT1431 Demo Circuit - 72 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (36-72V to 12V @ 6A) Download

7.00K

spice tool Lt Spice

LT8310/LT1431 Demo Circuit - 81 Watt Isolated Nonsynchronous Forward Converter with Opto Feedback (10.8-26.4V to 54V @ 1.5A) Download

7.00K

spice tool Lt Spice

LT3753/LT1431 Demo Circuit - 80W Active Clamp Non-Synchronous Forword Converter for PoE Download

10.00K

spice tool Lt Spice

LT8310/LT1431 Demo Circuit - 92W Isolated Nonsynchronous Forward Converter with Opto Feedback (43-53V to 54V @ 1.7A) Download

8.00K

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