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MAX686评估板

产品详情

主要特征

应用/用途

技术文档

数据资料 MAX686评估板 Feb 01, 1998

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主要特征

  • Output Voltage:
    • +18V Typical Positive Output (or +12.6V to +24V adjustable with up/down)
    • -17V Typical Negative Output (or -22.7V to -11.4V adjustable with up/down)
  • Battery Input Voltage:
    • +0.8V to +18V (Positive Output)
    • +0.8V to +12V (Negative Output)
  • +2.7V to +5.5V VIN Supply Range
  • Up to 20mA Output Current
  • 6-Bit DAC-Controlled Output Voltage
  • Internal 0.5A, 28V N-Channel Switch
  • 1.3µA IC Shutdown Current
  • Up to 300kHz Switching Frequency
  • Surface-Mount Components
  • Fully Assembled and Tested

应用/用途

  • 笔记本电脑
  • 掌上电脑
  • PDA及其它手持设备
  • 便携式数据收集终端
  • LCD正或负偏置
  • 变容调谐二极管偏置

描述

The MAX686 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that contains two separate switching-regulator circuits. The first circuit converts a +0.8V to +18V battery voltage to a +18V LCD bias voltage for currents up to 20mA. The second circuit converts a +0.8V to +12V battery voltage to a-17V voltage for currents up to 20mA.

The MAX686 requires a +2.7V to +5.5V supply at VIN, but the inductor can be powered from as low as +0.8V. The device features an internal N-channel MOSFET switch, programmable current limit, and internal 6-bit DAC for digital adjustment of the output voltage. The MAX686 EV kit provides low quiescent current and high efficiency for maximum battery life. Operation up to 300kHz allows the use of a tiny surface-mount inductor.

技术文档

数据资料 MAX686评估板 Feb 01, 1998

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心