MAX17542G

42V、1A、超小尺寸、高效率、同步降压型DC-DC转换器

42V同步降压转换器,内置FET,支持高效率


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说明

MAX17542G高效、高电压、同步降压型DC-DC转换器内置MOSFET,工作在4.5V至42V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0.92 x VIN。在-40°C至+125°C工作温度范围,反馈(FB)电压精度在±1.7%范围之内。

MAX17542G使用具有脉宽调制(PWM)的峰值限流模式,在所有负载条件下均工作在固定600kHz开关频率。器件采用10引脚(3mm x 2mm) TDFN封装。提供仿真模式。
MAX17542G: Block Diagram MAX17542G: Block Diagram 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
    • 全陶瓷电容设计,提供紧凑布局
  • 缩减DC-DC调节器物料单
    • 4.5V至42V较宽输入范围
    • 0.9V至92%VIN可调节输出
    • 提供高达1A电流
  • 降低功耗
    • 峰值效率高于90%
    • 关断电流仅为0.9μA (典型值)
  • 在恶劣工业环境下工作可靠
    • 打嗝模式限流、流入电流源限流和自动重启
    • 内置输出电压监测(低电平有效RESET引脚)
    • 可编程EN/UVLO门限
    • 可调节软启动和预偏置上电
    • 高工业级,-40°C至125°C环境工作温度范围/40°C至150°C结温度范围

应用

  • 基站、VOIP、电信
  • 电池供电设备
  • 通用负载点
  • 家庭影院
  • HVAC与楼宇控制
  • 工业过程控制
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingDC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX17542G 4.5420.937Resistor1InternalYes1600EE-Sim
TDFN/10
$1.55 @1k
查看所有Step-Down Switching Regulators (367)
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。


MAX17542GTAEVKIT: MAX17542G评估板
MAX17542GTBEVKIT: MAX17542G评估板

质量和环境数据

产品可靠性报告: MAX17542G.pdf 
无铅封装的锡(Sn)晶须报告

工具和模型

  • EE-Sim: MAX17542G 设计和仿真
  • MAX17542G SIMPLIS Schematic
  • CAD Symbols and Footprints

  • MAX17542GATB+
  • MAX17542GATB+T
  • 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 >

     
    Status:
    Package:
    Temperature:

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