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LTC1157 - 典型应用图例：
LTC1157典型应用图例一
LTC1157典型应用图例二
LTC1157 - 封装图解：
LTC1157封装图解一
LTC1157封装图解二
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LINEAR产品 - LTC1157介绍

LTC1157 - LTC1157是3.3V Dual Micropower High-Side/Low-Side MOSFET Driver

LTC1157是LINEAR凌力尔特公司的一款高压侧开关和 MOSFET 驱动器产品，LTC1157是LTC1157是3.3V Dual Micropower High-Side/Low-Side MOSFET Driver，本站介绍了LTC1157的封装应用图解、特点和优点、功能等，并给出了与LTC1157相关的LINEAR元器件型号供参考。

LTC1157 - LTC1157是3.3V Dual Micropower High-Side/Low-Side MOSFET Driver - 高压侧开关和 MOSFET 驱动器 - 监视、控制和保护 - 凌力尔特

LTC1157 - 3.3V Dual Micropower High-Side/Low-Side MOSFET Driver

LTC1157 - 3.3V Dual Micropower High-Side/Low-Side MOSFET Driver - Linear Technology（凌力尔特）

功能描述
The LTC1157 dual 3.3V micropower MOSFET gate driver makes it possible to switch either supply or ground reference loads through a low R DS(ON) Nchannel switch (N-channel switches are required at 3.3V because P-channel MOSFETS do not have guaranteed R DS(ON) with VGS </= 3.3V). The LTC1157 internal charge pump boosts the gate drive voltage 5.4V above the positive rail (8.7V above ground), fully enhancing a logic level N-channel switch for 3.3V high-side applications and a standard N-channel switch for 3.3V low-side applications. The gate drive voltage at 5V is typically 8.8V above supply (13.8V above ground), so standard N-channel MOSFET switches can be used for both high-side and low-side applications.Micropower operation, with 3µA standby current and 80µA operating current, makes the LTC1157 well suited for battery-powered applications.The LTC1157 is available in both 8-pin DIP and SOIC.
特点
  • Allows Lowest Drop 3.3V Supply Switching
  • Operates on 3.3V or 5V Nominal Supplies
  • 3 Microamps Standby Current
  • 80 Microamps ON Current
  • Drives Low Cost N-Channel Power MOSFETs
  • No External Charge Pump Components
  • Controlled Switching ON and OFF Times
  • Compatible with 3.3V and 5V Logic Families
  • Available in 8-Pin SOIC
    • 应用
  • Notebook Computer Power Management
  • Palmtop Computer Power Management
  • P-Channel Switch Replacement
  • Battery Charging and Management
  • Mixed 5V and 3.3V Supply Switching
  • Stepper Motor and DC Motor Control
  • Cellular Telephones and Beepers
    • 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)
    LTC1157CN8 N-8 C $3.00 $2.45
    LTC1157CN8#PBF N-8 C $3.00 $2.45
    LTC1157CS8 SO-8 C $3.15 $2.55
    LTC1157CS8#PBF SO-8 C $3.15 $2.55
    LTC1157CS8#TR SO-8 C $2.61
    LTC1157CS8#TRPBF SO-8 C $2.61
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LTC4441 - N 沟道 MOSFET 栅极驱动器
  • LTC4449 - 高速同步 N 沟道 MOSFET 驱动器
  • LTC1154 - 高压侧微功率 MOSFET 驱动器
  • LT1910 - 受保护的高端 MOSFET 驱动器
  • LTC4446 - 高电压高压侧/低压侧 N 沟道 MOSFET 驱动器
  • LTC4440-5 - 高速、高电压、高端栅极驱动器
  • LTC1982 - 采用 SOT-23 封装的单通道和双通道微功率高端开关控制器
  • LTC1693 - High Speed Single/Dual N-Channel MOSFET Drivers
  • LTC4440 - 高速、高电压、高端栅极驱动器
  • LTC1981 - 采用 SOT-23 封装的单通道和双通道微功率高端开关控制器
    • 下面可能是您感兴趣的凌力尔特公司高压侧开关和 MOSFET 驱动器元器件
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