MAX17572

4.5V-60V、1A、高效、同步降压型DC-DC转换器,带内部补偿

60V同步降压型转换器,集成FET、高效、低温升


点击查看特定型号的库存状况。

说明

MAX17572为高效率、高电压、同步降压型DC-DC转换器,内置MOSFET,工作在4.5V至60V输入电压范围。转换器可提供高达1A输出电流,输出电压为0.9V至高达0.9 x VIN。在-40°C至+125°°C工作温度范围,反馈(FB)电压精度为±1.2%范围之内。MAX17572采用峰值电流模式控制架构。

器件采用12引脚(3mm x 3mm) TDFN封装。提供仿真模式。

MAX17572: Typical Application Circuit MAX17572: Typical Application Circuit 放大+

关键特性

  • 减少外部元件,降低总体成本
    • 无肖特基同步操作
    • 内部补偿,在任意输出电压下均可稳定工作
    • 全陶瓷电容设计,使布局紧凑
  • 减少DC-DC稳压器库存清单
    • 4.5V至60V较宽输入电压
    • 0.9V至0.9 x VIN 可调节输出
    • 整个温度范围内连续1A输出电流
    • 400kHz至2.2MHz可调节开关频率范围,带外同步
  • 降低功耗
    • 峰值效率高于92%
    • 辅助自举LDO,提高效率
    • 4.65μA关断电流
  • 在恶劣工业环境下工作可靠
    • 打嗝式过载保护
    • 可调节软启动时间
    • 内置输出电压监测,带有低电平有效RESET引脚
    • 可编程EN/UVLO门限
    • 启动时单调进入预偏置负载状态
    • 过热保护
    • 工业级高温-40°C至+125°C工作温度范围/-40°C至+150°C结温范围

应用

  • 基站电源
  • 配电稳压器
  • 通用负载点电源
  • 高压、单板系统
  • 工业控制电源
  • 壁式变压器稳压

请查看具体的参数规格 Step-Down Switching Regulators (409)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
IOUT1
(A)
Switch Type
minmaxminmaxmax
MAX17572 4.5600.9541Internal

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。

MAX17572EVKITA: Evaluates MAX17572 in 3.3V Output-Voltage Application
MAX17572EVKITB: Evaluates MAX17572 in 5V Output-Voltage Application
MAX17572EVKITBE: Evaluation Kit for the MAX17572 in 5V Output-Voltage Application

工具和模型

  • EE-Sim: MAX17572 设计和仿真
  • 申请可靠性报告: MAX17572 
    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。

    质量管理体系 >
    环境管理体系 >

     
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    类型 编号 标题
    评估板9250MAX17572EVKITB Evaluates MAX17572 in 5V Output-Voltage Application
    评估板9249MAX17572EVKITA Evaluates MAX17572 in 3.3V Output-Voltage Application
    评估板10368MAX17572EVKITBE Evaluation Kit for the MAX17572 in 5V Output-Voltage Application