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LTC3025

量产

300mA 微功率 VLDO 线性稳压器

数据手册 (Rev. E) 产品选型表
产品模型
4
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

  • 宽输入电压范围：0.9V 至 5.5V
  • 可在采用陶瓷电容器时稳定
  • 非常低压差：45mV (在 300mA)
  • 可调输出范围：0.4V 至 3.6V
  • ±2% 电压准确度 (在整个温度和电源负载范围)
  • 低噪声：80μVRMS (10Hz 至 100kHz)
  • BIAS 电压范围：2.5V 至 5.5V
  • 快速瞬变恢复
  • 停机模式将负载与 VIN 和 VBIAS 断接
  • 低工作电流：IIN = 4μA，IBIAS = 50μA (典型值)
  • 低停机电流：IIN = 1μA，IBIAS = 0.01μA (典型值)
  • 输出电流限制
  • 热过载保护
  • 采用 6 引脚 (2mm x 2mm) DFN 封装
LTC3025
300mA 微功率 VLDO 线性稳压器
LTC3025 Application Circuit LTC3025 Pin Configuration LTC3025 Performance Graph
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参考资料

数据手册 1

可靠性数据 1

用户手册 1

应用笔记 1

技术文章 1

了解更多
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硬件生态系统

部分模型 产品周期 描述
单电源监控器 1
LTC2935
量产 具电源故障输出、可选门限的超低功率监控器
数字电源系统管理器 1
LTC2974
推荐新设计使用 具有精确输出电流的4通道PMBus电源系统管理器
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工具及仿真模型

LTspice 3

LTspice中提供以下器件型号：

  • LTC3025
  • LTC3025-1
  • LTC3025-2
  • LTC3025-3
  • LTC3025-4
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
DC741A

LTC3025EDC演示板 | 低VIN、VLDO线性 稳压器，0.9V ≤ VIN ≤ 5.5V，VOUT = 0.8V/1.2V/1.5V/1.8V/可调(300mA)

立即购买 更多内容

产品详情

演示电路741是一款使用300mA输出电流LTC3025线性稳压器的超低压差电源，该稳压器采用小型2mm x 2mm 6引脚DFN封装。DC741具有0.9V至5.5V的输入电压范围，并提供0.8V、1.2V、1.5V、1.8V的跳线可选输出电压或0.4V至3.6V之间的用户定义值。


LTC3025具有0.4V的基准电压，使DC741可向低电压应用供电。DC741还非常适用于降压开关稳压器后置调节，可构建高效率低噪声电源。DC741采用小型陶瓷电容，表明LTC3025使用陶瓷输出电容能够保持稳定性。
DC741A
LTC3025EDC演示板 | 低VIN、VLDO线性 稳压器，0.9V ≤ VIN ≤ 5.5V，VOUT = 0.8V/1.2V/1.5V/1.8V/可调(300mA)
DC741A - Schematic

参考电路

DK-START-5AGXB3N Starter Kit
DK-START-5AGXB3N Starter Kit
LTC Parts List
DK-START-5AGXB3N Block Diagram
DK-START-5AGXB3N Power Tree
DK-START-5AGXB3N Power Tree No TI
Altera Arria V GX Starter Kit 参考设计

查看参考设计详情

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
DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit LTC Parts List
DK-DEV-5CEA7N Block Diagram
DK-DEV-5CEA7N Dev Kit Schematic
DK-DEV-5CEA7N Power Tree
Altera Cyclone V E 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 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
DK-SI-4SGX230N Kit
DK-SI-4SGX230N Kit
LTC Parts List
DK-SI-4SGX230N Block Diagram
DK-SI-4SGX230N Power Tree
Altera Transceiver Signal Integrity Kit, Stratix IV GX Edition 参考设计

查看参考设计详情

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
DE5-Net Dev Kit
DE5-Net Dev Kit
LTC Parts List
DE5-Net Block Diagram
DE5-Net Power Tree
Terasic DE5-Net Stratix V Board 参考设计

查看参考设计详情

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
Altera Arria V GX Starter Kit
DK-START-5AGXB3N Starter Kit
LTC Parts List
DK-START-5AGXB3N Block Diagram
DK-START-5AGXB3N Power Tree
DK-START-5AGXB3N Power Tree No TI
Altera Cyclone V E Development Kit
DK-DEV-5CEA7N Dev Kit
DK-DEV-5CEA7N Dev Kit LTC Parts List
DK-DEV-5CEA7N Block Diagram
DK-DEV-5CEA7N Dev Kit Schematic
DK-DEV-5CEA7N Power Tree
Altera Transceiver Signal Integrity Kit, Stratix IV GX Edition
DK-SI-4SGX230N Kit
LTC Parts List
DK-SI-4SGX230N Block Diagram
DK-SI-4SGX230N Power Tree
Terasic DE5-Net Stratix V Board
DE5-Net Dev Kit
LTC Parts List
DE5-Net Block Diagram
DE5-Net Power Tree

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