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LTC1682 - 典型应用图例：
LTC1682典型应用图例一
LTC1682典型应用图例二
LTC1682 - 封装图解：
LTC1682封装图解一
LTC1682封装图解二
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LINEAR产品 - LTC1682介绍

LTC1682 - LTC1682是Doubler Charge Pumps with Low Noise Linear Regulator

LTC1682是LINEAR凌力尔特公司的一款稳压的升压型充电泵产品，LTC1682是LTC1682是Doubler Charge Pumps with Low Noise Linear Regulator，本站介绍了LTC1682的封装应用图解、特点和优点、功能等，并给出了与LTC1682相关的LINEAR元器件型号供参考。

LTC1682 - LTC1682是Doubler Charge Pumps with Low Noise Linear Regulator - 稳压的升压型充电泵 - 电源管理 - 凌力尔特

LTC1682 - Doubler Charge Pumps with Low Noise Linear Regulator

LTC1682 - Doubler Charge Pumps with Low Noise Linear Regulator - Linear Technology（凌力尔特）

功能描述
The LTC®1682/LTC1682-3.3/LTC1682-5 are doubler charge pumps with an internal low noise, low dropout (LDO) linear regulator. These parts are designed to provide a low noise boosted supply voltage for powering noise sensitive devices such as high frequency VCOs in wireless applications.An internal doubler charge pump converts a 1.8V to 4.4V input to a boosted output, while the internal LDO regulator converts the boosted voltage to a low noise regulated output. The adjustable version allows the user to set Vout via external resistors connected to FB. The regulator is capable of supplying up to 50mA of output current. Shutdown reduces the supply current to <5µA, removes the load from VIN by disabling the regulator and discharges Vout to ground through a 100Ohms switch.The LTC1682 LDO regulator is stable with only 2µF on the output. Small ceramic capacitors can be used, reducing PC board area.The LTC1682/LTC1682-3.3/LTC1682-5 are short-circuit and over temperature protected. The parts are available in 8-pin MSOP and SO packages.
特点
  • Low Output Noise: 60µVRMS (100kHz BW)
  • Adjustable or Fixed Boosted Output
  • Adjustable Output Voltage Range: 2.5V to 5.5V
  • Fixed Output Voltages: 3.3V, 5V
  • Wide Input Voltage Range: 1.8V to 4.4V
  • Uses Small Ceramic Capacitors
  • No Inductors Required
  • Output Current up to 50mA
  • 550kHz Switching Frequency
  • Low Operating Current: 150µA
  • Low Shutdown Current: 1µA
  • Internal Thermal Shutdown and Current Limiting
  • Available in 8-Pin MSOP and SO Packages
    • 应用
  • VCO Power Supplies in Cellular Phones
  • 2-Way Pagers
  • Wireless PCMCIA Cards
  • Portable Medical Instruments
  • Low Power Data Acquisition
  • Remote Transmitters
    • 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)
    LTC1682CMS8 MS-8 C $2.30 $1.90
    LTC1682CMS8-3.3 MS-8 C $2.30 $1.90
    LTC1682CMS8-3.3#PBF MS-8 C $2.30 $1.90
    LTC1682CMS8-3.3#TR MS-8 C $1.96
    LTC1682CMS8-3.3#TRPBF MS-8 C $1.96
    LTC1682CMS8-5 MS-8 C $2.30 $1.90
    LTC1682CMS8-5#PBF MS-8 C $2.30 $1.90
    LTC1682CMS8-5#TR MS-8 C $1.96
    LTC1682CMS8-5#TRPBF MS-8 C $1.96
    LTC1682CMS8#PBF MS-8 C $2.30 $1.90
    LTC1682CMS8#TR MS-8 C $1.96
    LTC1682CMS8#TRPBF MS-8 C $1.96
    LTC1682CS8 SO-8 C $2.00 $1.70
    LTC1682CS8-3.3 SO-8 C $2.00 $1.70
    LTC1682CS8-3.3#PBF SO-8 C $2.00 $1.70
    LTC1682CS8-3.3#TR SO-8 C $1.76
    LTC1682CS8-3.3#TRPBF SO-8 C $1.76
    LTC1682CS8-5 SO-8 C $2.00 $1.70
    LTC1682CS8-5#PBF SO-8 C $2.00 $1.70
    LTC1682CS8-5#TR SO-8 C $1.76
    LTC1682CS8-5#TRPBF SO-8 C $1.76
    LTC1682CS8#PBF SO-8 C $2.00 $1.70
    LTC1682CS8#TR SO-8 C $1.76
    LTC1682CS8#TRPBF SO-8 C $1.76
    LTC1682IMS8 MS-8 I $2.65 $2.25
    LTC1682IMS8-3.3 MS-8 I $2.65 $2.25
    LTC1682IMS8-3.3#PBF MS-8 I $2.65 $2.25
    LTC1682IMS8-3.3#TR MS-8 I $2.31
    LTC1682IMS8-3.3#TRPBF MS-8 I $2.31
    LTC1682IMS8-5 MS-8 I $2.65 $2.25
    LTC1682IMS8-5#PBF MS-8 I $2.65 $2.25
    LTC1682IMS8-5#TR MS-8 I $2.31
    LTC1682IMS8-5#TRPBF MS-8 I $2.31
    LTC1682IMS8#PBF MS-8 I $2.65 $2.25
    LTC1682IMS8#TR MS-8 I $2.31
    LTC1682IMS8#TRPBF MS-8 I $2.31
    LTC1682IS8 SO-8 I $2.35 $2.00
    LTC1682IS8-3.3 SO-8 I $2.35 $2.00
    LTC1682IS8-3.3#PBF SO-8 I $2.35 $2.00
    LTC1682IS8-3.3#TR SO-8 I $2.06
    LTC1682IS8-3.3#TRPBF SO-8 I $2.06
    LTC1682IS8-5 SO-8 I $2.35 $2.00
    LTC1682IS8-5#PBF SO-8 I $2.35 $2.00
    LTC1682IS8-5#TR SO-8 I $2.06
    LTC1682IS8-5#TRPBF SO-8 I $2.06
    LTC1682IS8#PBF SO-8 I $2.35 $2.00
    LTC1682IS8#TR SO-8 I $2.06
    LTC1682IS8#TRPBF SO-8 I $2.06
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC3221/LTC3221-3.3/LTC3221-5 - Micropower, Regulated Charge Pump in 2 x 2 DFN
  • LT1054 - 具稳压器的开关电容器电压转换器
  • LT1761 - 采用 SOT-23 封装的 100mA、低噪声、LDO 微功率稳压器
  • LT1615 - 采用 ThinSOT 封装的微功率升压型 DC/DC 转换器
  • LTC1751 - Micropower, Regulated Charge Pump DC/DC Converters
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTC3108 - 超低电压、升压型转换器和电源管理器
  • LTC3260 - 低噪声、双通道电源的负输出充电泵
  • LT5400 - 四个匹配的电阻器
  • LT8300 - 具 150V/260mA 开关的 100VIN 微功率隔离型反激式转换器
    • 下面可能是您感兴趣的凌力尔特公司稳压的升压型充电泵元器件
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