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LTC1514 - 典型应用图例：
LTC1514典型应用图例一
LTC1514典型应用图例二
LTC1514 - 封装图解：
LTC1514封装图解一
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LINEAR产品 - LTC1514介绍

LTC1514 - LTC1514是Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator

LTC1514是LINEAR凌力尔特公司的一款稳压的升压型充电泵产品，LTC1514是LTC1514是Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator，本站介绍了LTC1514的封装应用图解、特点和优点、功能等，并给出了与LTC1514相关的LINEAR元器件型号供参考。

LTC1514 - LTC1514是Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator - 稳压的升压型充电泵 - 电源管理 - 凌力尔特

LTC1514 - Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator

LTC1514-3.3 - Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator - Linear Technology（凌力尔特）

功能描述
The LTC1514-3.3/LTC1514-5 are micropower switched capacitor DC/DC converters that produce a regulated output voltage by either stepping up or stepping down the input voltage. Output voltage is fixed at either 3.3V (LTC1514-3.3) or 5V (LTC1514-5) by an internal resistor divider. A unique architecture allows the parts to accommodate a wide input voltage range (2V to 10V) while maintaining ±4% regulation. Additional circuitry prevents excessive inrush current and output voltage ripple when large VIN to VOUT differentials are present. An internal uncommitted comparator is kept active in shutdown. The comparator has an open-drain output for flexible interfacing. The parts are short-circuit and overtemperature protected. Battery life is maximized by very low operating currents (ICC= 60μA typ, 10μA in shutdown). Both parts are available in an SO-8 package.
特点
  • 3.3V or 5V Output Voltages
  • 2V to 10V Input Voltage Range
  • Up to 50mA Output Current
  • Only Three External Capacitors Required
  • Soft Start Limits Inrush Current at Turn-On
  • Low Operating Current: 60μA
  • Low Shutdown Current: 10μA
  • Shutdown Disconnects Load from VIN
  • Short-Circuit and Overtemperature Protected
  • 650kHz Switching Frequency
  • Low-Battery Comparator Active in Shutdown
  • Available in SO-8 Package
    • 应用
  • Battery Operated Equipment
  • Smart Card Readers
  • Local Power Supplies
  • Handheld Instruments
  • Battery Backup 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)
    LTC1514CS8-3.3 SO-8 C $4.35 $3.50
    LTC1514CS8-3.3#PBF SO-8 C $4.35 $3.50
    LTC1514CS8-3.3#TR SO-8 C $3.56
    LTC1514CS8-3.3#TRPBF SO-8 C $3.56
    LTC1514CS8-5 SO-8 C $4.35 $3.50
    LTC1514CS8-5#PBF SO-8 C $4.35 $3.50
    LTC1514CS8-5#TR SO-8 C $3.56
    LTC1514CS8-5#TRPBF SO-8 C $3.56
    LTC1514IS8-3.3 SO-8 I $5.25 $3.50
    LTC1514IS8-3.3#PBF SO-8 I $5.25 $3.50
    LTC1514IS8-3.3#TR SO-8 I $3.56
    LTC1514IS8-3.3#TRPBF SO-8 I $3.56
    LTC1514IS8-5 SO-8 I $5.25 $3.50
    LTC1514IS8-5#PBF SO-8 I $5.25 $3.50
    LTC1514IS8-5#TR SO-8 I $3.56
    LTC1514IS8-5#TRPBF SO-8 I $3.56
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1054 - 具稳压器的开关电容器电压转换器
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  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LTC3245 - 宽 VIN 范围、低噪声、250mA 降压-升压型充电泵
  • LT8705 - 80V VIN 和 VOUT 同步、四开关、降压-升压型 DC/DC 控制器
  • LT4320 / LT4320-1 - 理想二极管桥控制器
  • LT3796 - 具双电流检测的 100V 恒定电流和恒定电压控制器
  • LT3761 - 具内部 PWM 发生器的 60VIN LED控制器
  • LT1615 - 采用 ThinSOT 封装的微功率升压型 DC/DC 转换器
  • LT3652 - 用于太阳能电源的功率跟踪 2A 电池充电器
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