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LT1931

量产

ThinSOT 封装的 1.2MHz 负输出 DC/DC 转换器

产品模型
8
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

  • 1.2MHz/2.2MHz 固定频率操作
  • 非常低噪声:1mVP-P 输出波纹
  • 可由 5V 输入产生 -5V/350mA 输出
  • 可由 5V 输入产生 -12V/150mA 输出
  • 采用小型表面贴装组件
  • 宽输入范围:2.6V 至 16V
  • 低停机电流:<1µA
  • 低 VCESAT 开关:400mV/1A
  • 与 LT1611 引脚兼容
  • 采用扁平 (高度仅 1mm) 的 ThinSOT 封装

 

LT1931
ThinSOT 封装的 1.2MHz 负输出 DC/DC 转换器
5V to –5V, 350mA Inverting DC/DC Converter Efficiency Product Package 1
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参考资料

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硬件生态系统

部分模型 产品周期 描述
浪涌抑制器、过压和过流保护 1
LTC4365 推荐新设计使用 欠压、过压和电源反向保护控制器
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将产品添加到myAnalog 的现有项目或新项目中(接收通知)。

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工具及仿真模型

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
DC383B

LTC1930ES5/LTC1931ES5演示板 | 3个电路:升压/SEPIC/逆变器,5VIN至12VOUT1 (300mA)、10V-16VIN至12VOUT2 (300mA)、12VIN至-12VOUT3 (350mA)

产品详情

演示电路383B是一款多用途演示板,内置LT1930和LT1931。该演示板提供三个独立的DC/DC转换器。升压电路可在300mA最大负载下将5V输入转换为12V输出。SEPIC电路可从10V~16V可变输入中产生12V/300mA输出。该逆变器电路设计用于需要-12V/350mA和正12V输入的应用。.

eval board
DC397A

LT1930AES5/LT1931AES5演示板 | 3个电路:升压/SEPIC/逆变器:5VIN至12VOUT1 (250mA)、10V-16VIN至12VOUT2 (250mA)、12VIN至-12VOUT3 (250mA)

产品详情

演示电路397是一款多用途DC/DC开关稳压器,采用LT1930A和LT1931A稳压器和SOT-23封装。该演示板提供三个独立的DC/DC转换器以满足不同的应用需求。升压电路可在250mA最大负载下将5V输入转换为12V输出。SEPIC电路可产生恒定12V/250mA(最大负载)输出和10V~16V可变输入。该逆变器电路设计用于需要负12V/250mA(最大负载)和正12V输入的应用。所有三个电路旨在演示快速开关频率(2.2MHz)、内部36V/1A开关、宽输入范围和电路的小尺寸。

DC383B
LTC1930ES5/LTC1931ES5演示板 | 3个电路:升压/SEPIC/逆变器,5VIN至12VOUT1 (300mA)、10V-16VIN至12VOUT2 (300mA)、12VIN至-12VOUT3 (350mA)
DC383B - Schematic
DC397A
LT1930AES5/LT1931AES5演示板 | 3个电路:升压/SEPIC/逆变器:5VIN至12VOUT1 (250mA)、10V-16VIN至12VOUT2 (250mA)、12VIN至-12VOUT3 (250mA)
DC397A - Schematic

参考电路

DK-DEV-3C120N Dev Kit
Altera Cyclone III FPGA Development Kit 参考设计

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-DSP-3C120N Dev Kit
Altera DSP Development Kit, Cyclone III Edition 参考设计

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-EMB-3C120N Dev Kit
Altera Embedded Systems Development Kit, Cyclone III Edition 参考设计

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
Figure 1. CN0577 Simplified Block Diagram
CN0577 参考设计

Analog Front End and Digital Interface for Serial LVDS SAR ADCs

特性和优点

  • 18-Bit Resolution, 15 MSPS Data Acquisition System
  • Arbitrary Voltage Inputs Supported
  • All Clocking and Power Requirements are Onboard
  • FMC Connector for FPGA Interfacing
Altera Cyclone III FPGA Development Kit
DK-DEV-3C120N Dev Kit
LTC Parts List
DK-DEV-3C120N Block Diagram
DK-DEV-3C120N Power Tree
Altera DSP Development Kit, Cyclone III Edition
DK-DSP-3C120N Dev Kit
LTC Parts List
DK-DSP-3C120N Block Diagram
DK-DSP-3C120N Power Tree
Altera Embedded Systems Development Kit, Cyclone III Edition
DK-EMB-3C120N Dev Kit
DK-EMB-3C120N Block Diagram
DK-EMB-3C120N Power Tree
CN0577
Analog Front End and Digital Interface for Serial LVDS SAR ADCs
Figure 1. CN0577 Simplified Block Diagram
EVAL-CN0577-FMCZ
EVAL-CN0577-FMCZ - Top View
EVAL-CN0577-FMCZ - Bottom View

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