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LTC1522 - 典型应用图例：
LTC1522典型应用图例一
LTC1522典型应用图例二
LTC1522 - 封装图解：
LTC1522封装图解一
LTC1522封装图解二
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LINEAR产品 - LTC1522介绍

LTC1522 - LTC1522是Micropower, Regulated 5V Charge Pump DC/DC Converter

LTC1522是LINEAR凌力尔特公司的一款稳压的升压型充电泵产品，LTC1522是LTC1522是Micropower, Regulated 5V Charge Pump DC/DC Converter，本站介绍了LTC1522的封装应用图解、特点和优点、功能等，并给出了与LTC1522相关的LINEAR元器件型号供参考。

LTC1522 - LTC1522是Micropower, Regulated 5V Charge Pump DC/DC Converter - 稳压的升压型充电泵 - 电源管理 - 凌力尔特

LTC1522 - Micropower, Regulated 5V Charge Pump DC/DC Converter

LTC1522 - Micropower, Regulated 5V Charge Pump DC/DC Converter - Linear Technology（凌力尔特）

功能描述
The LTC1522 is a micropower charge pump DC/DC converter that produces a regulated 5V output from a 2.7V to 5V input supply. Extremely low supply current (6µA typical with no load, <1µA in shutdown) and low external parts count (one 0.22µF flying capacitor and two 10µF capacitors at VIN and VOUT) make the LTC1522 ideally suited for small, light load battery-powered applications. Typical efficiency (VIN = 3V) exceeds 75% with load currents between 50µA and 20mA. Modulating the SHDN pin keeps the typical efficiency above 75% with load currents all the way down to 10µA. The LTC1522 has thermal shutdown and can survive a continuous short from VOUT to GND. In shutdown the load is disconnected from VIN. The part is available in 8-pin MSOP and SO packages. The LTC1522 is pin compatible with the LTC1516 in applications where VIN >/= 2.7V and IOUT </= 20mA.
特点
  • Ultralow Power: Typical Operating ICC = 6µA
  • Short-Circuit/Thermal Protected
  • Regulated 5V ±4% Output Voltage
  • 2.7V to 5V Input Range
  • No Inductors
  • Very Low ICC in Shutdown: <1µA
  • Output Current: 10mA (VIN >/=2.7V) 20mA (VIN >/=3V)
  • Shutdown Disconnects Load from VIN
  • Internal Oscillator: 700kHz
  • Compact Application Circuit (<0.1 in2)
  • 8-Pin MSOP and SO Packages
    • 应用
  • SIM Interface Supplies for GSM Cellular Telephones
  • Li-Ion Battery Backup Supplies
  • Local 3V to 5V Conversion
  • Smart Card Readers
  • PCMCIA Local 5V Supplies
    • 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)
    LTC1522CMS8 MS-8 C $2.50 $1.95
    LTC1522CMS8#PBF MS-8 C $2.50 $1.95
    LTC1522CMS8#TR MS-8 C $2.01
    LTC1522CMS8#TRPBF MS-8 C $2.01
    LTC1522CS8 SO-8 C $2.15 $1.75
    LTC1522CS8#PBF SO-8 C $2.15 $1.75
    LTC1522CS8#TR SO-8 C $1.81
    LTC1522CS8#TRPBF SO-8 C $1.81
    LTC1522IS8 SO-8 I $2.30 $2.00
    LTC1522IS8#PBF SO-8 I $2.30 $2.00
    LTC1522IS8#TR SO-8 I $2.06
    LTC1522IS8#TRPBF SO-8 I $2.06
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  • LTC1517-5 - Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package
  • LTC1751 - Micropower, Regulated Charge Pump DC/DC Converters
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LTC3108 - 超低电压、升压型转换器和电源管理器
  • LTC3105 - 具最大功率点控制功能及 250mV 启动电压的 400mA 升压型 DC/DC 转换器
  • LT1512 - SEPIC 恒定电流 / 恒定电压电池充电器
  • LTC1986 - 3V/5V SIM Power Supply in ThinSOT
  • LTC3588-1 - 毫微功率能量收集电源
    • 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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