MAX1734EVKIT

MAX1733、MAX1734评估板


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说明

The MAX1734 evaluation kit (EV kit) is a fully assembled and tested surface-mount PC board that contains a switching-regulator circuit configured for a +1.8V output. At up to 250mA, it accepts inputs from a +2.7VDC to +5.5VDC source or a 1-cell lithium-ion (Li+) or 2- to 3-cell battery.

The MAX1734 features an internal P-channel MOSFET switch, a synchronous rectifier, logic-controlled shutdown, and digital soft-start to limit startup current. The MAX1734 EV kit provides low quiescent current and efficiency up to 93%, providing maximum battery life. High-frequency operation up to 1.2MHz with a maximum duty cycle of 100% allows the use of tiny surface-mount components. The EV kit can also evaluate the MAX1733 after modifications.

关键特性

  • +2.7V to +5.5V Battery Input Voltage
  • +1.8V Output Voltage
  • 250mA Output Current
  • Efficiency >85% from 2mA to 250mA
  • Internal P-Channel Switch and Synchronous Rectifier
  • 0.01µA (typ) IC Shutdown Current
  • 50µA Quiescent Supply Current
  • Up to 1.2MHz (max) Switching Frequency
  • Surface-Mount Components
  • Fully Assembled and Tested
  • 应用

    • 蜂窝电话
    • 计算机:台式机、工作站和服务器
    • 消费类音频
    • 数码相机
    • 全球定位系统(GPS)
    • 掌上电脑
    • POS终端
    • 无线数据
    • 无线局域网(WLAN)
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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