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LT3484-2 - 典型应用图例：
LT3484-2典型应用图例一
LT3484-2典型应用图例二
LT3484-2 - 封装图解：
LT3484-2封装图解一
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LINEAR产品 - LT3484-2介绍

LT3484-2 - LT3484-2是Photoflash Capacitor Charger

LT3484-2是LINEAR凌力尔特公司的一款照相机闪光灯电容器充电器产品，LT3484-2是LT3484-2是Photoflash Capacitor Charger，本站介绍了LT3484-2的封装应用图解、特点和优点、功能等，并给出了与LT3484-2相关的LINEAR元器件型号供参考。

LT3484-2 - LT3484-2是Photoflash Capacitor Charger - 照相机闪光灯电容器充电器 - 电源管理 - 凌力尔特

LT3484-2 - Photoflash Capacitor Charger

LT3484-0 - Photoflash Capacitor Charger - Linear Technology（凌力尔特）

功能描述
The LT3484 family of photoflash capacitor charger ICs is designed for use in digital camera and mobile phone applications where space is at a premium. The LT3484's patented control technique allows it to use extremely small transformers, and the improved NPN power switch requires no external Schottky diode clamp, reducing solution size. Output voltage detection requires no external circuitry as the transformer turns ratio determines final charge voltage.

The devices feature a VBAT pin, which allows the use of 2 alkaline cells to charge the capacitor. The LT3484-0, -2 and -1 have primary current limits of 1.4A, 1A and 0.7A respectively, resulting in tightly controlled average input current of 500mA, 350mA and 225mA respectively. The three versions are otherwise identical.

The CHARGE pin gives full control of the part to the user. Driving CHARGE low puts the part in shutdown. The DONE pin indicates when the part has completed charging. The LT3484 series of parts are housed in a tiny low profile 2mm × 3mm DFN package.

特点
  • Highly Integrated IC in 2mm × 3mm DFN Package Reduces Solution Size
  • Uses Small Transformers:
  • ??? 5.8mm × 5.8mm × 3mm
  • Fast Photoflash Charge Times:??? 4.6s for LT3484-0 (0V to 320V, 100μF, VIN = 3.6V)??? 5.7s for LT3484-2 (0V to 320V, 100μF, VIN = 3.6V)??? 5.5s for LT3484-1 (0V to 320V, 50μF, VIN = 3.6V)
  • Operates from Two AA Batteries, or Any Supply from 1.8V up to 16V
  • Controlled Average Input Current??? 500mA (LT3484-0)??? 350mA (LT3484-2)??? 225mA (LT3484-1)
  • No Output Voltage Divider Needed
  • No External Schottky Diode Required
  • Charges Any Size Photoflash Capacitor
  • Available in 6-Lead 2mm × 3mm DFN Package
    • 应用
  • Digital Camera and Cell Phone Flash Charger
    • 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)
    LT3484EDCB-0 2x3 DFN-6 E $3.14
    LT3484EDCB-0#PBF 2x3 DFN-6 E $3.14
    LT3484EDCB-0#TR 2x3 DFN-6 E $3.14 $2.20
    LT3484EDCB-0#TRM 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-0#TRMPBF 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-0#TRPBF 2x3 DFN-6 E $3.14 $2.20
    LT3484EDCB-1 2x3 DFN-6 E $3.14
    LT3484EDCB-1#PBF 2x3 DFN-6 E $3.14
    LT3484EDCB-1#TR 2x3 DFN-6 E $3.14 $2.20
    LT3484EDCB-1#TRM 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-1#TRMPBF 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-1#TRPBF 2x3 DFN-6 E $3.14 $2.20
    LT3484EDCB-2 2x3 DFN-6 E $3.14
    LT3484EDCB-2#PBF 2x3 DFN-6 E $3.14
    LT3484EDCB-2#TR 2x3 DFN-6 E $3.14 $2.20
    LT3484EDCB-2#TRM 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-2#TRMPBF 2x3 DFN-6 E $3.14 $2.22
    LT3484EDCB-2#TRPBF 2x3 DFN-6 E $3.14 $2.20
    下面可能是您感兴趣的Linear Technology（凌力尔特）元器件
  • LT3485-0 - 具有输出电压监视器和集成 IGBT 驱动器的照相闪光灯电容器式充电器
  • LT3751 - 具调节能力的高压电容器充电控制器
  • LT3750 - 电容充电器控制器
  • LT3468 - Photoflash Capacitor Chargers in ThinSOT?
  • LT3585-0 - Photoflash Charger with Adjustable Input Current and IGBT Driver
  • LT3420 - 具自动刷新功能的照相机闪光灯电容器充电器
  • LT3758 - 高输入电压、升压、反激式、SEPIC 和负输出控制器
  • LT3757 - 升压、反激式、SEPIC 和负输出控制器
  • LTC3115-1 - 40V、2A、同步降压-升压型 DC/DC 转换器
  • LT3748 - 100V 隔离型反激式控制器
    • 下面可能是您感兴趣的凌力尔特公司照相机闪光灯电容器充电器元器件
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