MAX17019EVKIT

MAX17019评估板


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说明

MAX17019评估板(EV kit)给出了MAX17019高输入电压、四输出控制器的典型应用设置。评估板工作在5.5V至38V输入电压,38V较高的输入电压使器件理想用于汽车应用。

高压控制器A输出5V电压,用于为其它三个调节器供电。这三路调节器分别为两个开关转换器(B和C)和一个推挽式线性稳压器(D)。可以设置转换器B和C以及稳压器D的电源,电源必须低于6V。

MAX17019内部还包含一个5V固定输出的线性稳压器,可提供50mA电流。评估板工作在0.5MHz (VOUTA和VOUTC)和1MHz (VOUTB)开关频率,具有优异的电源和负载瞬态响应特性。

关键特性

  • 5.5V至38V输入电压范围,可承受42V瞬态电压
  • 内部5V线性稳压器具有50mA负载驱动能力
  • 输出电压
    • VOUTA:5V、最高4A峰值电流,可在1V至5.5V范围内调节
    • VOUTB:3.3V、最高2.5A峰值电流,可在0.75V至4V范围内调节
    • VOUTC:1.2V、最高4A峰值电流,可在0.75V至4V范围内调节
    • VOUTD:2.5V、最高2A峰值电流,可在0.5V至VIND范围内调节
  • 四个电源就绪LED有助于监测输出电压
  • 0.5MHz开关频率(5V和1.2V输出)
  • 1MHz开关频率(3.3V输出)
  • 独立的使能输入和电源就绪输出
  • 过压和欠压故障保护
  • 热故障保护
  • 48引脚(6mm x 6mm)薄型QFN封装
  • 完全安装并经过测试

应用

  • 汽车电池供电设备
  • 嵌入式控制系统
  • 机顶盒
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

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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