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LTC3201 - 典型应用图例:
LTC3201典型应用图例一
LTC3201典型应用图例二
LTC3201 - 封装图解:
LTC3201封装图解一
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Linear产品 - LTC3201介绍
LTC3201 - LTC3201是100mA Ultralow Noise Charge Pump LED Supply with Output Current Adjust

LTC3201是Linear公司的一款稳压的升压型充电泵产品,LTC3201是100mA Ultralow Noise Charge Pump LED Supply with Output Current Adjust,本站介绍了LTC3201的封装应用图解、特点和优点、功能等,并给出了与LTC3201相关的凌力尔特元器件型号供参考。

LTC3201 - 100mA Ultralow Noise Charge Pump LED Supply with Output Current Adjust

LTC3201 - 100mA Ultralow Noise Charge Pump LED Supply with Output Current Adjust - Linear Technology(凌力尔特)

功能描述
The LTC3201 is an ultralow noise, constant frequency, charge pump DC/DC converter specifically designed for powering white LEDs. The part produces a low noise boosted supply capable of supplying 100mA of output current. LED current is regulated for accurate and stable backlighting. A 3-bit DAC provides output current adjust for brightness control.

Low external parts count (one small flying capacitor and three small bypass capacitors) and small MSOP-10 package size make the LTC3201 ideally suited for space constrained applications. An input noise filter further reduces input noise,thus enabling direct connection to the battery. High switching frequency enables the use of small external capacitors.

The LTC3201 contains overtemperature protection and can survive an indefinite output short to GND. Internal soft-start circuitry also prevents excessive inrush current on start-up. A low current shutdown feature disconnects the load from VIN and reduces quiescent current to less than 1µA.

特点
  • Input Noise Filter Minimizes Supply Noise
  • Constant Frequency Operation
  • 3-Bit LED Current Control
  • No Inductors
  • Low Shutdown Current: IIN < 1µA
  • Output Current: 100mA
  • VIN Range: 2.7V to 4.5V
  • 1.8MHz Switching Frequency
  • Soft-Start Limits Inrush Current at Turn-On
  • Short-Circuit and Overtemperature Protected
  • Available in 10-Pin MSOP Package
  • 应用
  • White LED Backlighting
  • Programmable Boost Current Source
  • 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)
    LTC3201EMS MS-10 E $2.25 $1.90
    LTC3201EMS#PBF MS-10 E $2.25 $1.90
    LTC3201EMS#TR MS-10 E $1.96
    LTC3201EMS#TRPBF MS-10 E $1.96
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