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LTC1174HV技术文档下载：
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LTC1174HV - 典型应用图例：
LTC1174HV典型应用图例一
LTC1174HV典型应用图例二
LTC1174HV - 封装图解：
LTC1174HV封装图解一
LTC1174HV封装图解二
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LINEAR产品 - LTC1174HV介绍

LTC1174HV - LTC1174HV是High Efficiency Step-Down and Inverting DC/DC Converter

LTC1174HV是LINEAR凌力尔特公司的一款负输出稳压器产品，LTC1174HV是LTC1174HV是High Efficiency Step-Down and Inverting DC/DC Converter，本站介绍了LTC1174HV的封装应用图解、特点和优点、功能等，并给出了与LTC1174HV相关的LINEAR元器件型号供参考。

LTC1174HV - LTC1174HV是High Efficiency Step-Down and Inverting DC/DC Converter - 负输出稳压器 - 电源管理 - 凌力尔特

LTC1174HV - High Efficiency Step-Down and Inverting DC/DC Converter

LTC1174 - High Efficiency Step-Down and Inverting DC/DC Converter - Linear Technology（凌力尔特）

功能描述
The LTC?1174 is a simple current mode DC/DC converter ideally suited for 9V to 5V, 5V to 3.3V or 5V to ±5V operation. With an internal 0.9 Ohms switch (at a supply voltage of 9V), the LTC1174 requires only four external components to construct a complete high efficiency DC/DC converter. Under a no load condition the LTC1174 draws only 130μA. In shutdown, it draws a mere 1μA making this converter ideal for current sensitive applications. In dropout, the internal P-channel MOSFET switch is turned on continuously allowing the user to maximize the life of the battery source. The maximum inductor current of the LTC1174 family is pin selectable to either 340mA or 600mA, optimizing efficiency for a wide range of applications. Operation up to 200kHz permits the use of small surface mount inductors and capacitors. For applications requiring higher output current or ultra-high efficiency, see the LTC1148 data sheet.
特点
  • High Efficiency: Up to 94%
  • Peak Inductor Current Independent of Inductor Value
  • Short-Circuit Protection
  • Optimized for 5V to ±5V Applications
  • Wide VIN Range: 4V to 18.5V
  • Low Dropout Operation
  • Low-Battery Detector
  • Pin Selectable Current Limit
  • Internal 0.9 Ohms Power Switch: VIN = 9V
  • Only Four External Components Required
  • 130μA Standby Current
  • Active Low Micropower Shutdown
    • 应用
  • Distributed Power Systems
  • Step-Down Converters
  • Inverting Converters
  • Memory Backup Supply
  • Portable Instruments
  • Battery-Powered Equipment
    • 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)
    LTC1174CN8 N-8 C $4.35 $3.50
    LTC1174CN8-3.3 N-8 C $4.35 $3.50
    LTC1174CN8-3.3#PBF N-8 C $4.35 $3.50
    LTC1174CN8-5 N-8 C $4.35 $3.50
    LTC1174CN8-5#PBF N-8 C $4.35 $3.50
    LTC1174CN8#PBF N-8 C $4.35 $3.50
    LTC1174CS8 SO-8 C $4.60 $3.70
    LTC1174CS8-3.3 SO-8 C $4.60 $3.70
    LTC1174CS8-3.3#PBF SO-8 C $4.60 $3.70
    LTC1174CS8-3.3#TR SO-8 C $3.76
    LTC1174CS8-3.3#TRPBF SO-8 C $3.76
    LTC1174CS8-5 SO-8 C $4.60 $3.70
    LTC1174CS8-5#PBF SO-8 C $4.60 $3.70
    LTC1174CS8-5#TR SO-8 C $3.76
    LTC1174CS8-5#TRPBF SO-8 C $3.76
    LTC1174CS8#PBF SO-8 C $4.60 $3.70
    LTC1174CS8#TR SO-8 C $3.76
    LTC1174CS8#TRPBF SO-8 C $3.76
    LTC1174HVCN8 N-8 C $5.00 $4.00
    LTC1174HVCN8-3.3 N-8 C $5.00 $4.00
    LTC1174HVCN8-3.3#PBF N-8 C $5.00 $4.00
    LTC1174HVCN8-5 N-8 C $5.00 $4.00
    LTC1174HVCN8-5#PBF N-8 C $5.00 $4.00
    LTC1174HVCN8#PBF N-8 C $5.00 $4.00
    LTC1174HVCS8 SO-8 C $5.25 $4.15
    LTC1174HVCS8-3.3 SO-8 C $5.25 $4.15
    LTC1174HVCS8-3.3#PBF SO-8 C $5.25 $4.15
    LTC1174HVCS8-3.3#TR SO-8 C $4.21
    LTC1174HVCS8-3.3#TRPBF SO-8 C $4.21
    LTC1174HVCS8-5 SO-8 C $5.25 $4.15
    LTC1174HVCS8-5#PBF SO-8 C $5.25 $4.15
    LTC1174HVCS8-5#TR SO-8 C $4.21
    LTC1174HVCS8-5#TRPBF SO-8 C $4.21
    LTC1174HVCS8#PBF SO-8 C $5.25 $4.15
    LTC1174HVCS8#TR SO-8 C $4.21
    LTC1174HVCS8#TRPBF SO-8 C $4.21
    LTC1174HVIS8 SO-8 I $5.80 $4.80
    LTC1174HVIS8#PBF SO-8 I $5.80 $4.80
    LTC1174HVIS8#TR SO-8 I $4.86
    LTC1174HVIS8#TRPBF SO-8 I $4.86
    LTC1174IN8 N-8 I $5.00 $3.95
    LTC1174IN8#PBF N-8 I $5.00 $3.95
    LTC1174IS8 SO-8 I $5.25 $4.15
    LTC1174IS8#PBF SO-8 I $5.25 $4.15
    LTC1174IS8#TR SO-8 I $4.21
    LTC1174IS8#TRPBF SO-8 I $4.21
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