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LT1317 - 典型应用图例：
LT1317典型应用图例一
LT1317典型应用图例二
LT1317 - 封装图解：
LT1317封装图解一
LT1317封装图解二
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LINEAR产品 - LT1317介绍

LT1317 - LT1317是Micropower, 600kHz PWM DC/DC Converters

LT1317是LINEAR凌力尔特公司的一款LCD / CCD / OLED 偏置产品，LT1317是LT1317是Micropower, 600kHz PWM DC/DC Converters，本站介绍了LT1317的封装应用图解、特点和优点、功能等，并给出了与LT1317相关的LINEAR元器件型号供参考。

LT1317 - LT1317是Micropower, 600kHz PWM DC/DC Converters - LCD / CCD / OLED 偏置 - 电源管理 - 凌力尔特

LT1317 - Micropower, 600kHz PWM DC/DC Converters

LT1317 - Micropower, 600kHz PWM DC/DC Converters - Linear Technology（凌力尔特）

功能描述
The LT?1317/LT1317B are micropower, fixed frequency step-up DC/DC converters that operate over a wide input voltage range of 1.5V to 12V. The LT1317 features automatic shifting to power saving Burst Mode’ operation at light loads. High efficiency is maintained over a broad 300μA to 200mA load range. Peak switch current during Burst Mode operation is kept below 250mA for most operating conditions which results in low output ripple voltage, even at high input voltages. The LT1317B does not shift into Burst Mode operation at light loads, eliminating low frequency output ripple at the expense of light load efficiency.The LT1317/LT1317B contain an internal low-battery detector with a 200mV reference that stays alive when the device goes into shutdown.No-load quiescent current of the LT1317 is 100μA and shuts down to 30μA. The internal NPN power switch handles a 500mA current with a voltage drop of just 300mV.The LT1317/LT1317B are available in MS8 and SO-8 packages.
特点
  • 100µA Quiescent Current
  • Operates with VIN as Low as 1.5V
  • 600kHz Fixed Frequency Operation
  • Starts into Full Load
  • Low-Battery Detector Active in Shutdown
  • Automatic Burst Mode Operation at Light Load (LT1317)
  • Continuous Switching at Light Loads (LT1317B)
  • Low VCESAT Switch: 300mV at 500mA
  • Pin for Pin Compatible with the LT1307/LT1307B
    • 应用
  • Cellular Telephones
  • Cordless Telephones
  • Pagers
  • GPS Receivers
  • Battery Backup
  • Portable Electronic Equipment
  • Glucose Meters
  • Diagnostic Medical Instrumentation
    • 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)
    LT1317BCMS8 MS-8 C $2.75 $2.45
    LT1317BCMS8#PBF MS-8 C $2.75 $2.45
    LT1317BCMS8#TR MS-8 C $2.51
    LT1317BCMS8#TRPBF MS-8 C $2.51
    LT1317BCS8 SO-8 C $2.45 $2.25
    LT1317BCS8#PBF SO-8 C $2.45 $2.25
    LT1317BCS8#TR SO-8 C $2.31
    LT1317BCS8#TRPBF SO-8 C $2.31
    LT1317BIS8 SO-8 I $3.30 $2.80
    LT1317BIS8#PBF SO-8 I $3.30 $2.80
    LT1317BIS8#TR SO-8 I $2.86
    LT1317BIS8#TRPBF SO-8 I $2.86
    LT1317CMS8 MS-8 C $2.75 $2.45
    LT1317CMS8#PBF MS-8 C $2.75 $2.45
    LT1317CMS8#TR MS-8 C $2.51
    LT1317CMS8#TRPBF MS-8 C $2.51
    LT1317CS8 SO-8 C $2.45 $2.25
    LT1317CS8#PBF SO-8 C $2.45 $2.25
    LT1317CS8#TR SO-8 C $2.31
    LT1317CS8#TRPBF SO-8 C $2.31
    LT1317IS8 SO-8 I $3.10 $2.80
    LT1317IS8#PBF SO-8 I $3.10 $2.80
    LT1317IS8#TR SO-8 I $2.86
    LT1317IS8#TRPBF SO-8 I $2.86
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1307 - Single Cell Micropower 600kHz PWM DC/DC Converters
  • LT1308A - 大电流、微功率、单电池、600kHz DC/DC 变换器
  • LT1615 - 采用 ThinSOT 封装的微功率升压型 DC/DC 转换器
  • LT1316 - Micropower DC/DC Converter with Programmable Peak Current Limit
  • LT1949 - 600kHz, 1A Switch PWM DC/DC Converter
  • LT1613 - 采用 5 引脚 SOT-23 封装的 1.4MHz、单节电池 DC/DC 转换器
  • LT1610 - 1.7MHz, Single Cell Micropower DC/DC Converter
  • LT3467 - 具集成软起动功能的 1.1A 升压型 DC/DC 转换器
  • LT1618 - 恒定电流/恒定电压 1.4MHz 升压型 DC/DC 转换器
  • LT1372 - 500kHz 及 1MHz 高效率 1.5A 开关稳压器
    • 下面可能是您感兴趣的凌力尔特公司LCD / CCD / OLED 偏置元器件
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