MAX20059

4.5V至76V、1A高效、同步降压型DC-DC转换器

76V同步降压型转换器,集成FET、高效、低温升


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说明

MAX20059高效、高电压、同步降压型DC-DC转换器IC,内置MOSFET,工作在4.5V至76V输入电压范围。转换器可提供高达1A电流。输出电压可设置为0.8V至90%VIN。反馈电压输出精度在-40°C至+125°C温度范围内为±1.5%。

IC采用峰值限流控制结构,可工作在脉宽调制(PWM)或脉冲频率调制(PFM)模式。

MAX20059采用12引脚(3mm x 3mm)侧面防潮TDFN封装,带有裸焊盘,便于散热。

关键特性

  • 同步DC-DC转换器,集成FET
    • 72V输入,适用于48V系统
    • 内部补偿
  • 设计灵活性
    • 0.8V至90%VIN可调节输出
    • 200kHz至2200kHz可调节频率,带外部时钟同步
    • 可编程峰值限流(1.14A或1.6A)
  • 低电平有效RESET输出和EN输入(最大26V)简化电源排序
  • 保护特性和工作范围是汽车应用的理想选择
    • 可编程EN/UVLO门限
    • 可调软启动和预偏置上电
    • 热关断
    • -40°C至+125°C汽车级温度范围
    • AEC-Q100认证

应用

  • 48V系统
  • 轻混合动力汽车
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/Pins
minmaxminmax
MAX20059 4.5760.818Resistor1InternalYesYes1
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EE-Sim
TDFN/12
查看所有Step-Down Switching Regulators (388)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。


MAX20059EVKIT: Evaluation Kit for the MAX20059

质量和环境数据

申请可靠性报告: MAX20059 
无铅封装的锡(Sn)晶须报告

工具和模型

  • EE-Sim: MAX20059 设计和仿真
  • 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。

    质量管理体系 >
    环境管理体系 >

     
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