MAX77504

14V输入、3A、高效Buck转换器,采用WLP或QFN封装

高效Buck转换器,采用小尺寸1.7mm x 1.7mm WLP封装


点击查看特定型号的库存状况。

说明

MAX77504为同步、3A、降压型DC-DC转换器,优化用于2节和3节电池供电的应用。转换器工作在2.6V至14V输入电压范围。输出电压可通过外部反馈电阻在0.6V至6V范围内调节。器件支持低IQ SKIP模式,在轻载下实现优异的效率。MAX77504同样可以通过FPWM引脚同步外部时钟频率。

专用的使能、电源就绪和FPWM引脚可以简化硬件控制。通过SEL输入引脚很容易就可以配置开关频率、增益和输出有源放电选项。内置欠压锁定(UVLO)、输出有源放电、逐周期电感限流、热关断和短路保护,确保在异常工作条件下的安全操作。

MAX77504采用小尺寸、1.7mm x 1.7mm、16焊球、0.4mm焊距晶圆级封装(WLP),或2.5mm x 2.5mm、12引脚、0.5mm焊距倒装芯片QFN (FC2QFN)封装。

MAX77504: Simplified Application Circuit MAX77504: Simplified Application Circuit 放大+

关键特性

  • 3A单通道Buck调节器
  • 2.6V至14V输入电压
  • 0.6V至6V输出电压范围
  • 0.5MHz或1.5MHz固定开关频率选项
  • 高效率、低IQ延长电池寿命
    • 94%峰值效率 @ 7.4VIN、3.3VOUT (2520封装电感)
    • 10μA ISUP (12VIN,1.8VOUT)
    • OUT自动为VL供电(VOUT > 1.7V),实现较低IQ
  • 使能引脚(EN)硬件控制
  • 可通过FPWM/SYNC引脚实现外部时钟同步
  • 电源就绪输出(POK)监测VOUT状态(参见定购信息)
  • 保护功能
    • 逐周期电感限流
    • 短路打嗝模式、UVLO和热关断保护
    • 软启动
  • FC2QFN或WLP封装选项
    • 2.5mm x 2.5mm (0.6mm最大高度)、12引脚、FC2QFN封装,0.5mm焊距
    • 1.7mm x 1.7mm (0.7mm最大高度)、16焊球、WLP封装,0.4mm焊距,4 x 4阵列
  • 所有WLP封装焊球(除POK外)均可布置在非HDI PCB上

应用

  • 1至3节Li+/锂离子供电设备
  • 专业无线电、手持式计算机
  • 无反相机、DSLR和笔记本计算机
  • 便携式扫描仪、POS终端、打印机
  • 空间受限的便携式电子设备

请查看具体的参数规格 Step-Down Switching Regulators (404)


Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxmaxSee Notes
MAX77504 NEW!2.6140.66Resistor3InternalYesYes11500EE-Sim
FC2QFN/12
WLP/16
$0.42 @1k

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。

MAX77504WEVKIT: Evaluation Kit for the MAX77504

质量和环境数据

申请可靠性报告: MAX77504 
无铅封装的锡(Sn)晶须报告

工具和模型

  • EE-Sim: MAX77504 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   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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