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LT3082

推荐新设计使用

200mA 单电阻器低压差线性稳压器

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产品模型
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产品技术资料帮助

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。
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产品详情

  • 可把输出并联起来以提供较高的输出电流或散热量
  • 最大输出电流：200mA
  • 宽输入电压范围：1.2V 至 40V
  • 输出可调至 0V
  • 采用 2.2μF 最小陶瓷电容器时可实现稳定
  • 由单个电阻器来设定输出电压
  • SET 引脚电流初始准确度：1%
  • 低输出噪声：33μVRMS (10Hz 至 100kHz)
  • 反向电池保护
  • 反向电流保护
  • <1mV 负载调整 (典型值)
  • <0.001%/V 电压调整率 (典型值)
  • 具电流限制和热停机保护功能
  • 采用 8 引脚 SOT-23、3 引脚 SOT-223 和 8 引脚 3mm x 3mm DFN 封装

 
LT3082
200mA 单电阻器低压差线性稳压器
Variable Output Voltage Battery Powered Supply SET Pin Current vs Temperature Product Package 1 Product Package 2 Product Package 3
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参考资料

数据手册 1

可靠性数据 1

用户手册 1

设计笔记 1

技术文章 2

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硬件生态系统

部分模型 产品周期 描述
PowerPath、理想二极管和负载开关 1
LTC4370
推荐新设计使用 双电源二极管 “合路” 电流平衡控制器
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工具及仿真模型

LTspice 2

LTspice中提供以下器件型号：

  • LT3082
LTspice

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。

评估套件

eval board
schematic 1
DC1447A

LT3082EDD Demo Board | Programmable 2-Terminal Linear Regulator, 2.8V ≤ VIN ≤ 35V, VOUT = 1.2V/1.8V/2.5V/3.3V/5V @ 200mA

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产品详情

Demonstration circuit 1447A is an adjustable 200mA linear regulator featuring LT3082. Architected as a precision current source and voltage follower, it allows this new regulator to be used in many applications with adjustability to zero output. The LT3082 has an input range of 1.2V to 40V, but the demo board limits this range to 2.8V to 35V. The LT3082 withstands reverse input voltages and reverse output-to-input voltages without reverse-current flow.
DC1447A
LT3082EDD Demo Board | Programmable 2-Terminal Linear Regulator, 2.8V ≤ VIN ≤ 35V, VOUT = 1.2V/1.8V/2.5V/3.3V/5V @ 200mA
DC1447A - Schematic

参考电路

Simplied Power Tree that directly steps down 12V to required I/O voltage
Arria 10 (Rev E3- Linear Technology) Dev Kit Block Diagram
Altera Arria 10 FPGA Development Kit 参考设计

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特性和优点

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit Block Diagram
Stratix 10 GX Signal Integrity Development Kit (Actual Power Tree representative of components used on board)
Stratix 10 GX Signal Integrity Development Kit (updated alternate Simplified Power Tree: 12Vin to required I/O voltages)
Stratix 10 GX Signal Integrity Development Kit 参考设计

查看参考设计详情

特性和优点

  • Analog Devices has worked closely with Intel PSG to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • The validated power solutions include uModules power products that address time and space constraints while delivering high efficiency, reliability, and low noise.
  • The actual power tree represents the best solution at time of design.
  • A recommended power tree has also been included to present the ideal solution at time of Stratix 10 GX SI development kit release. An updated alternate version of the power tree represents the latest solutions available from Analog Devices. For many applications, an intermediate rail is not ideal, so recommendations for an alternate power tree that allows for direct power conversion from 12V input is provided below.
Altera Arria 10 FPGA Development Kit
Simplied Power Tree that directly steps down 12V to required I/O voltage
Arria 10 (Rev E3- Linear Technology) Dev Kit Block Diagram
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit
Stratix 10 GX Signal Integrity Development Kit Block Diagram
Stratix 10 GX Signal Integrity Development Kit (Actual Power Tree representative of components used on board)
Stratix 10 GX Signal Integrity Development Kit (updated alternate Simplified Power Tree: 12Vin to required I/O voltages)

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