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LT1373HV - 典型应用图例：
LT1373HV典型应用图例一
LT1373HV典型应用图例二
LT1373HV - 封装图解：
LT1373HV封装图解一
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LINEAR产品 - LT1373HV介绍

LT1373HV - LT1373HV是250kHz Low Supply Current High Efficiency 1.5A Switching Regulator

LT1373HV是LINEAR凌力尔特公司的一款内部电源开关产品，LT1373HV是LT1373HV是250kHz Low Supply Current High Efficiency 1.5A Switching Regulator，本站介绍了LT1373HV的封装应用图解、特点和优点、功能等，并给出了与LT1373HV相关的LINEAR元器件型号供参考。

LT1373HV - LT1373HV是250kHz Low Supply Current High Efficiency 1.5A Switching Regulator - 内部电源开关 - 电源管理 - 凌力尔特

LT1373HV - 250kHz Low Supply Current High Efficiency 1.5A Switching Regulator

LT1373 - 250kHz Low Supply Current High Efficiency 1.5A Switching Regulator - Linear Technology（凌力尔特）

功能描述
The LT1373 is a low supply current high frequency current mode switching regulator. It can be operated in all standard switching configurations including boost, buck, flyback, forward, inverting and “Cuk.” A 1.5A high efficiency switch is included on the die, along with all oscillator, control and protection circuitry. All functions of the LT1373 are integrated into 8-pin SO/PDIP packages. Compared to the 500kHz LT1372, which draws 4mA of quiescent current, the LT1373 switches at 250kHz, typically consumes only 1mA and has higher efficiency. High frequency switching allows for small inductors to be used. All surface mount components consume less than 0.6 square inch of board space. New design techniques increase flexibility and maintain ease of use. Switching is easily synchronized to an external logic level source. A logic low on the shutdown pin reduces supply current to 12µA. Unique error amplifier circuitry can regulate positive or negative output voltage while maintaining simple frequency compensation techniques. Nonlinear error amplifier transconductance reduces output overshoot on start-up or overload recovery. Oscillator frequency shifting protects external components during overload conditions.

特点
  • 1mA IQ at 250kHz
  • Uses Small Inductors: 15µH
  • All Surface Mount Components
  • Only 0.6 Square Inch of Board Space
  • Low Minimum Supply Voltage: 2.7V
  • Constant Frequency Current Mode
  • Current Limited Power Switch: 1.5A
  • Regulates Positive or Negative Outputs
  • Shutdown Supply Current: 12µA Typ
  • Easy External Synchronization
  • 8-Pin SO or PDIP Packages
    • 应用
  • Boost Regulators
  • CCFL Backlight Driver
  • Laptop Computer Supplies
  • Multiple Output Flyback Supplies
  • Inverting 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)
    LT1373CN8 N-8 C $4.30 $3.50
    LT1373CN8#PBF N-8 C $4.30 $3.50
    LT1373CS8 SO-8 C $4.50 $3.65
    LT1373CS8#PBF SO-8 C $4.50 $3.65
    LT1373CS8#TR SO-8 C $3.71
    LT1373CS8#TRPBF SO-8 C $3.71
    LT1373HVCN8 N-8 C $4.75 $3.80
    LT1373HVCN8#PBF N-8 C $4.75 $3.80
    LT1373HVCS8 SO-8 C $4.90 $3.95
    LT1373HVCS8#PBF SO-8 C $4.90 $3.95
    LT1373HVCS8#TR SO-8 C $4.01
    LT1373HVCS8#TRPBF SO-8 C $4.01
    LT1373HVIN8 N-8 I $5.65 $4.55
    LT1373HVIN8#PBF N-8 I $5.65 $4.55
    LT1373HVIS8 SO-8 I $5.80 $4.65
    LT1373HVIS8#PBF SO-8 I $5.80 $4.65
    LT1373HVIS8#TR SO-8 I $4.71
    LT1373HVIS8#TRPBF SO-8 I $4.71
    LT1373IN8 N-8 I $5.25 $4.20
    LT1373IN8#PBF N-8 I $5.25 $4.20
    LT1373IS8 SO-8 I $5.40 $4.35
    LT1373IS8#PBF SO-8 I $5.40 $4.35
    LT1373IS8#TR SO-8 I $4.41
    LT1373IS8#TRPBF SO-8 I $4.41
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1372 - 500kHz 及 1MHz 高效率 1.5A 开关稳压器
  • LT1170 - 100kHz、5A、2.5A 和 1.25A 高效率开关稳压器
  • LT3580 - 具 2A 开关、软起动和同步功能的升压/负输出 DC/DC 转换器
  • LT1172 - 100kHz、5A、2.5A 和 1.25A 高效率开关稳压器
  • LT1377 - 500kHz及1MHz高效率 1.5A开关稳压器
  • LT1308A - 大电流、微功率、单电池、600kHz DC/DC 变换器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LT1171 - 100kHz、5A、2.5A 和 1.25A 高效率开关稳压器
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LT1763 - 500mA、低噪声、LDO 微功率稳压器
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