MAX5060

0.6V至5.5V输出、可并联、平均电流模式DC-DC控制器


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说明

MAX5060/MAX5061脉宽调制(PWM) DC-DC控制器具有大电流输出能力,封装紧凑,所需外部元件最少。这些器件利用平均电流模式控制,实现低RDS(ON) MOSFET的最佳应用,即使输出大电流,也不需要外部热沉。

差分感应(MAX5060)可实现输出电压精确控制,而自适应电压调节可提供最佳瞬态响应。内部稳压器可在4.75V至5.5V或者7V至28V输入电压范围内工作。最高达1.5MHz的开关频率允许使用较小的输出电感和输入电容。这有助于使用PCB嵌入式平面磁性元件。

MAX5060的180°相位延时时钟输出可控制另一个异相转换器,以实现更低的电容波纹电流。如果总线电压升高,超过调节的输出电压,MAX5060将限制反向电流。MAX5060经过专门设计,可在多个电源模块并联工作时限制电流吸收。MAX5060/MAX5061提供0.6V至5.5V可调电压输出。MAX5060具有过压保护、电源良好信号和输出使能功能。

MAX5060/MAX5061工作在汽车温度范围(-40°C至+125°C)。MAX5060可提供28引脚薄型QFN封装,MAX5061可提供16引脚TSSOP封装。
MAX5060、MAX5061:典型工作电路 MAX5060、MAX5061:典型工作电路 放大+

关键特性

  • 4.75V至5.5V或7V至28V输入电压范围
  • 0.6V至5.5V可调电压输出
  • 最大30A输出电流
  • 可并联输出实现更大输出电流
  • 可编程自适应输出电压调节
  • 真差分远端输出感应(MAX5060)
  • 平均电流模式控制
    • 出色的并联模块间电流共享能力
    • 精确电流限制,无需降级使用MOSFET和电感
  • 模块并联时限制反向吸收电流(MAX5060)
  • 125kHz至1.5MHz可调开关频率
  • 集成4A栅极驱动器
  • 提供180°异相时钟输出(MAX5060)
  • 电压信号与输出电流正比,实现负载监控(MAX5060)
  • 输出过压保护(MAX5060)
  • 可调打嗝电流限制域值和响应时间
  • 过热关断功能

应用

  • 高端台式计算机
  • 网络系统
  • 负载点电信DC-DC稳压器
  • RAID系统
  • 服务器与工作站
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX5060 4.75280.65.5Resistor30ExternalYesYes11500
TQFN/28
$3.06 @1k
MAX5061 
TSSOP/16
$2.35 @1k
查看所有Step-Down Switching Regulators (404)
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。


MAX5060EVKIT: MAX5060评估板
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。

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