MAX17536

4.5V至60V、4A、高效同步降压型DC-DC转换器,带内部补偿

业内首款60V、4A、内置FET同步Buck转换器


点击查看特定型号的库存状况。

说明

MAX17536是一颗高效、高压、同步降压型DC-DC转换器,它内置高边MOSFET,工作在4.5V至60V输入电压范围。转换器可提供高达4A输出电流,输出电压为0.9V至0.9 x VIN。-40°C到125°C工作温度范围内,反馈(FB)电压精度在±1.4%范围之内。

MAX17536采用峰值电流模式控制。器件能够在脉宽调制(PWM)、脉冲频率调制(PFM)和非连续传导模式(DCM)控制方法下工作。

器件采用20引脚(5mm × 5mm)薄型QFN (TQFN)封装,提供仿真模式。

MAX17536: Block Diagram MAX17536: 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
    • 内部补偿,在任意输出电压下均可稳定工作
    • 内置软启动
    • 全陶瓷电容设计,布局紧凑
  • 减少DC-DC稳压器料号清单
    • 4.5V至60V较宽输入范围
    • 0.9V至0.9 x VIN可调节输出
    • 100kHz至2.2MHz可调节开关频率范围,带外同步
  • 降低功耗
    • 峰值效率高于95%
    • PFM/DCM模式,轻载时保持高效
    • 辅助自举LDO,提高效率
    • 3.5µA关断电流
  • 在恶劣工业环境下工作可靠
    • 打嗝或闭锁模式过载保护
    • DL至LX短路检测功能
    • 内置输出电压监测,带有低电平有效RESET引脚
    • 可编程EN/UVLO门限
    • 启动时单调进入预偏置负载状态
    • 过热保护
    • 高工业级-40°C至+ 125°C环境工作温度范围/ -40°C至+ 150°C结温范围

应用

  • 基站电源
  • 配电稳压器
  • 通用负载点电源
  • 高压单板系统
  • 工业电源
  • 壁式变压器稳压
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
minmaxminmaxSee Notes
MAX17536 4.5600.937Resistor4
External
Internal
YesYes12200EE-Sim
TQFN-CU/20
$2.95 @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。


MAX17536EVKITA: 3.3V输出电压应用MAX17536评估板
MAX17536EVKITB: 5V输出电压应用MAX17536评估板

质量和环境数据

产品可靠性报告: MAX17536.pdf 
无铅封装的锡(Sn)晶须报告

工具和模型

  • EE-Sim: MAX17536 设计和仿真
  • MAX17536 SIMPLIS Schematic
  • CAD Symbols and Footprints

  • MAX17536ATP+
  • MAX17536ATP+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 >

     
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