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LT1947技术文档下载:
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LT1947 - 典型应用图例:
LT1947典型应用图例一
LT1947典型应用图例二
LT1947 - 封装图解:
LT1947封装图解一
LT1947封装图解二
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LINEAR产品 - LT1947介绍

LT1947 - LT1947是Adjustable Output TFT-LCD Triple Switching Regulator

LT1947是LINEAR凌力尔特公司的一款LCD / CCD / OLED 偏置产品,LT1947是LT1947是Adjustable Output TFT-LCD Triple Switching Regulator,本站介绍了LT1947的封装应用图解、特点和优点、功能等,并给出了与LT1947相关的LINEAR元器件型号供参考。

LT1947 - LT1947是Adjustable Output TFT-LCD Triple Switching Regulator - LCD / CCD / OLED 偏置 - 电源管理 - 凌力尔特

LT1947 - Adjustable Output TFT-LCD Triple Switching Regulator

LT1947 - Adjustable Output TFT-LCD Triple Switching Regulator - Linear Technology(凌力尔特)

功能描述

The LT1947 is a highly integrated multiple output DC/DC converter designed for use in TFT-LCD panels. The device contains two independent switching regulators. The main regulator has an adjustable output voltage with an internal 1.1A switch that can generate a boosted voltage as high as 30V. The second regulator's output is also adjustable up to 30V and can deliver 10mA for positive bias. A simple level-shift charge pump off the main switch node generates the negative bias voltage. An external capacitor sets the delay time from AVDD's final value to the rising edge at the VON pin. The 3MHz switching frequency allows the use of tiny low profile chip inductors and capacitors throughout, providing a low noise, low cost total solution with all components under 1.2mm in height. The device operates from an input range of 2.7V to 8V and is available in 10-lead MSOP and thermally enhanced 10-lead MSOP packages.

特点
  • Complete Solution Under 1.2mm
  • Develops Three Outputs from a 3.3V or 5V Supply
  • Externally Programmable VON Delay
  • Fixed Frequency Low Noise Outputs
  • All Ceramic Capacitors
  • 3MHz Switching Frequency
  • Fast Transient Response
  • Few External Components Required
  • 2.7V to 8V Input Range
  • Adjustable AVDD and VON Voltages
  • Tiny 10-Lead MSOP and Thermally Enhanced 10-Lead MSOP Packages
  • 应用
  • TFT-LCD Notebook Display Panels
  • TFT-LCD Desktop Monitor Display Panels
  • Digital Cameras
  • Handheld Computers
  • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格(美元)
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LT1947EMS MS-10 E $3.08 $2.60
    LT1947EMS#PBF MS-10 E $3.08 $2.60
    LT1947EMS#TR MS-10 E $2.66
    LT1947EMS#TRPBF MS-10 E $2.66
    LT1947EMSE MS-10E E $3.08 $2.60
    LT1947EMSE#PBF MS-10E E $3.08 $2.60
    LT1947EMSE#TR MS-10E E $2.66
    LT1947EMSE#TRPBF MS-10E E $2.66
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  • LT8582 - 具故障保护功能的双通道、3A、升压 / 负输出 / SEPIC DC/DC 转换器
  • LT3487 - 用于 CCD 偏置的升压和负输出转换开关稳压器
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
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  • LT3587 - 高电压单片式负输出和双通道升压转换器
  • LT3471 - 3mm x 3mm DFN 封装的双通道 1.3A、1.2MHz 升压/负输出转换器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT3463 - Dual Micropower DC/DC Converters with Schottky Diodes
  • LTC4364 - 具理想二极管的浪涌抑制器
  • LT8705 - 80V VIN 和 VOUT 同步、四开关、降压-升压型 DC/DC 控制器
  • 下面可能是您感兴趣的凌力尔特公司LCD / CCD / OLED 偏置元器件
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