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LT1307 - 典型应用图例：
LT1307典型应用图例一
LT1307典型应用图例二
LT1307 - 封装图解：
LT1307封装图解一
LT1307封装图解二
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LINEAR产品 - LT1307介绍

LT1307 - LT1307是Single Cell Micropower 600kHz PWM DC/DC Converters

LT1307是LINEAR凌力尔特公司的一款LCD / CCD / OLED 偏置产品，LT1307是LT1307是Single Cell Micropower 600kHz PWM DC/DC Converters，本站介绍了LT1307的封装应用图解、特点和优点、功能等，并给出了与LT1307相关的LINEAR元器件型号供参考。

LT1307 - LT1307是Single Cell Micropower 600kHz PWM DC/DC Converters - LCD / CCD / OLED 偏置 - 电源管理 - 凌力尔特

LT1307 - Single Cell Micropower 600kHz PWM DC/DC Converters

LT1307 - Single Cell Micropower 600kHz PWM DC/DC Converters - Linear Technology（凌力尔特）

功能描述
The LT?1307/LT1307B are micropower, fixed frequency DC/DC converters that operate from an input voltage as low as 1V. First in the industry to achieve true current mode PWM performance from a single cell supply, the LT1307 features automatic shifting to power saving Burst Mode operation at light loads. High efficiency is maintained over a broad 100μA to 100mA load range. The LT1307B does not shift into Burst Mode operation at light loads, eliminating low frequency output ripple at the expense of light load efficiency. The devices contain a low-battery detector with a 200mV reference and shut down to less than 5μA. No load quiescent current of the LT1307 is 50μA and the internal NPN power switch handles a 500mA current with a voltage drop of just 295mV.

Unlike competitive devices, large electrolytic capacitors are not required with the LT1307/LT1307B in single cell applications. The high frequency (600kHz) switching allows the use of tiny surface mount multilayer ceramic (MLC) capacitors along with small surface mount inductors. The devices work with just 10μF of output capacitance and require only 1μF of input bypassing.

The LT1307/LT1307B are available in 8-lead MSOP, PDIP and SO packages.

特点
  • Uses Small Ceramic Capacitors
  • 50µA Quiescent Current (LT1307)
  • 1mA Quiescent Current (LT1307B)
  • Operates with VIN as Low as 1V
  • 600kHz Fixed Frequency Operation
  • Starts into Full Load
  • Low Shutdown Current: 3µA
  • Low-Battery Detector
  • 3.3V at 75mA from a Single Cell
  • Automatic Burst Mode® Operation at Light Load (LT1307)
  • Continuous Switching at Light Load (LT1307B)
  • Low VCESAT Switch: 295mV at 500mA
    • 应用
  • Pagers
  • Cordless Telephones
  • 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)
    LT1307BCMS8 MS-8 C $3.15 $2.40
    LT1307BCMS8#PBF MS-8 C $3.15 $2.40
    LT1307BCMS8#TR MS-8 C $2.46
    LT1307BCMS8#TRPBF MS-8 C $2.46
    LT1307BCS8 SO-8 C $2.75 $2.05
    LT1307BCS8#PBF SO-8 C $2.75 $2.05
    LT1307BCS8#TR SO-8 C $2.11
    LT1307BCS8#TRPBF SO-8 C $2.11
    LT1307BIS8 SO-8 I $3.50 $2.60
    LT1307BIS8#PBF SO-8 I $3.50 $2.60
    LT1307BIS8#TR SO-8 I $2.66
    LT1307BIS8#TRPBF SO-8 I $2.66
    LT1307CMS8 MS-8 C $3.15 $2.40
    LT1307CMS8#PBF MS-8 C $3.15 $2.40
    LT1307CMS8#TR MS-8 C $2.46
    LT1307CMS8#TRPBF MS-8 C $2.46
    LT1307CN8 N-8 C $2.75 $2.05
    LT1307CN8#PBF N-8 C $2.75 $2.05
    LT1307CS8 SO-8 C $2.75 $2.05
    LT1307CS8#PBF SO-8 C $2.75 $2.05
    LT1307CS8#TR SO-8 C $2.11
    LT1307CS8#TRPBF SO-8 C $2.11
    LT1307IS8 SO-8 I $3.50 $2.60
    LT1307IS8#PBF SO-8 I $3.50 $2.60
    LT1307IS8#TR SO-8 I $2.66
    LT1307IS8#TRPBF SO-8 I $2.66
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT1308A - 大电流、微功率、单电池、600kHz DC/DC 变换器
  • LT1610 - 1.7MHz, Single Cell Micropower DC/DC Converter
  • 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
  • LT1613 - 采用 5 引脚 SOT-23 封装的 1.4MHz、单节电池 DC/DC 转换器
  • LTC3108 - 超低电压、升压型转换器和电源管理器
  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
  • LTC3122 - 具输出断接功能的 15V、2.5A 同步升压型 DC/DC 转换器
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LT1317 - Micropower, 600kHz PWM DC/DC Converters
    • 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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