MAX20735

集成、降压型开关调节器

单芯片集成、降压型开关调节器,具有高功率密度和低元件数量


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说明

MAX20735为全集成、高效开关调节器,适用于4.5V至16V工作电压和最大40A负载电流的应用。该单芯片调节器提供极其紧凑、高效的电源方案,具有高精度输出电压和优异的瞬态响应,适用于网络、数据通信和电信设备。

IC提供较宽范围的可编程特性,可通过连接到专用编程引脚的电容和电阻进行设置。利用该特性,可根据具体应用优化操作,减少元件数量和/或综合考虑调节器性能与系统成本。编程的简单性支持相同设计适用于多种应用。

MAX20735具有保护能力。正和负逐周期过流保护和过热保护确保设计坚固耐用。输入电压超出指标范围时,输入欠压锁定功能关断器件,禁止该条件下操作。状态引脚提供输出信号,指示输出电压在范围之内以及系统正在进行调节。

MAX20735: Block Diagram MAX20735:Block Diagram 放大+

关键特性

  • 高功率密度和低元件数量
    • 总体方案尺寸:509mm2,含电感和输出电容
    • 90.7%峰值效率:VDDH = 12V及VOUT = 1V
    • 快速瞬态响应:支持高达300A/µs的负载突变瞬态
  • 经过优化的元件性能和效率,缩短设计时间
  • 系统和IC自保护特性提高电源可靠性
    • 带开路检测的差分远端检测
    • 打嗝模式过流保护
    • 可编程热关断

应用

  • 通信设备
  • I/O
  • 存储器VDDQ
  • 网络设备
  • 负载点稳压器
  • 服务器和存储设备
  • μP芯片组
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypePower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX20735 4.5160.65.5
0.65
0.9
1
Preset
Resistor
40InternalYes1
400
600
800
EE-Sim
FCQFN/15
$5.06 @1k
查看所有Step-Down Switching Regulators (389)
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。


MAX20735EVKIT: MAX20735评估板

工具和模型

  • EE-Sim: MAX20735 设计和仿真
  • MAX20735 SIMPLIS Schematic
  • 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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