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MAX1771EPA

  • 描述:输出类别: 晶体管驱动器 拓扑结构: 升压、降压-升压 输出配置: 阳性的 开关频率: 300千赫兹 供应商设备包装: 8-PDIP
  • 品牌: 模拟器件公司 (Analog)
  • 交期:5-7 工作日
渠道:
  • 自营
  • 得捷
  • 贸泽

起订量: 1

  • 库存: 0
  • 单价: ¥12.76199
  • 数量:
    - +
  • 总计: ¥12.76
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规格参数

  • 输出类别 晶体管驱动器
  • 输出配置 阳性的
  • 输出数量 one
  • 输出阶段 one
  • 功能 上一步,上一步/下一步
  • 串口 -
  • 工作温度 -40摄氏度~85摄氏度(TA)
  • 同步整流装置
  • 时钟同步
  • 安装类别 通孔
  • 包装/外壳 8-DIP (0.300", 7.62毫米)
  • 供应商设备包装 8-PDIP
  • 部件状态 过时的
  • 最大占空比 92%
  • 制造厂商 模拟器件公司 (Analog)
  • 开关频率 300千赫兹
  • 电源电压 (Vcc/Vdd) 3V~16.5V
  • 控制功能特性 使能够
  • 拓扑结构 升压、降压-升压

MAX1771EPA 产品详情

The MAX1771EPA step-up switching controller provides 90% efficiency over a 30mA to 2A load. A unique current-limited pulse-frequency-modulation (PFM) control scheme gives this device the benefits of pulse-width-modulation (PWM) converters (high efficiency at heavy loads), while using less than 110μA of supply current (vs. 2mA to 10mA for PWM converters). This controller uses miniature external components. Its high switching frequency (up to 300kHz) allows surface-mount magnetics of 5mm height and 9mm diameter. It accepts input voltages from 2V to 16.5V. The output voltage is preset at 12V, or can be adjusted using two resistors. The MAX1771EPA optimizes efficiency at low input voltages and reduces noise by using a single 100mV current-limit threshold under all load conditions. A family of similar devices, the MAX770-MAX773, trades some full-load efficiency for greater current-limit accuracy; they provide a 200mV current limit at full load, and switch to 100mV for light loads. The MAX1771EPA drives an external N-channel MOSFET switch, allowing it to power loads up to 24W. If less power is required, use the MAX756/MAX757 or MAX761/MAX762 step-up switching regulators with on-board MOSFETs. An evaluation kit is available.

Feature

  • 90% Efficiency for 30mA to 2A Load Currents
  • Up to 24W Output Power
  • 110μA (max) Supply Current
  • 5μA (max) Shutdown Current
  • 2V to 16.5V Input Range
  • Preset 12V or Adjustable Output Voltage
  • Current-Limited PFM Control Scheme
  • Up to 300kHz Switching Frequency
  • Evaluation Kit Available

Applications

  • Battery-Powered Applications
  • Flash Memory Programming
  • High-Power RF Power-Amplifier Supply
  • Palmtops/Handheld Terminals
  • Portable Communicators
  • Positive LCD-Bias Generators


MAX1771EPA所属分类:DC - DC开关控制器,MAX1771EPA 由 模拟器件公司 (Analog) 设计生产,可通过久芯网进行购买。MAX1771EPA价格参考¥12.761990,你可以下载 MAX1771EPA中文资料、PDF数据手册、Datasheet数据手册功能说明书,可查询MAX1771EPA规格参数、现货库存、封装信息等信息!

模拟器件公司 (Analog)

模拟器件公司 (Analog)

模拟设备公司(NASDAQ:ADI)在设计、制造和营销几乎所有类型的电子设备中使用的高性能模拟、混合信号和数字信号处理(DSP)集成电路(IC)的广泛组合方面处于世界领先地位。自1965年成立以来,他们...

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