MAX16907

36V、2.2MHz降压型转换器,具有低工作电流

直接将汽车电池电压转换至3.3V,电流可达3A,工作频率高于AM波段


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说明

MAX16907为3A、电流模式、内置高边开关的降压转换器。器件设计工作在3.5V至36V输入电压范围,空载时仅消耗30µA静态电流。开关频率通过外部电阻在1MHz至2.2MHz之间调整,并可同步至外部时钟。输出电压可通过引脚选择为固定5V输出,或1V至10V可调输出。宽输入电压范围以及在瞬态欠压下的高占空比工作特性,使得该器件非常适合汽车以及工业应用。

器件在轻载时工作于跳脉冲模式,有助于降低电流损耗。保护功能包括:过流限制、过压保护以及带自动恢复的热关断保护。器件还具有电源就绪监测器,方便电源排序。

器件工作在-40°C至+125°C汽车级温度范围,采用16引脚TSSOP和TQFN (5mm x 5mm)封装,带有裸焊盘。
MAX16907:典型应用电路 MAX16907:典型应用电路 放大+

关键特性

  • 3.5V至36V较宽的输入电压范围
  • 可承受42V输入瞬变
  • 瞬态欠压下采用高占空比工作
  • 5V固定输出或1V至10V可调输出
  • 内部集成3A高边开关(70mΩ,典型值)
  • 快速负载瞬态响应,电流模式架构
  • 可调整开关频率(1MHz至2.2MHz)
  • 频率同步输入
  • 30µA静态工作电流
  • 5µA典型关断电流
  • 扩频(可选)
  • 过压、欠压、过热以及短路保护

应用

  • 汽车
  • 高压输出DC-DC转换器
  • 工业
  • 负载点应用
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypePower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX16907 3.5361105
Preset
Resistor
3InternalYes12200
TQFN/16
TSSOP/16
$2.10 @1k
查看所有Step-Down Switching Regulators (388)
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。


MAX16907EVKIT: MAX16907评估板

技术资料

用户指南 5861 EE-SIM Design and Simulation Environment User Guide

质量和环境数据

申请可靠性报告: MAX16907 
无铅封装的锡(Sn)晶须报告
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 >

 
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    类型 编号 PDF 标题
    用户指南 5861 EE-SIM Design and Simulation Environment User Guide
    类型 编号 标题
    评估板7368MAX16907EVKIT MAX16907评估板