MAX8888

低压差、300mA线性稳压器,SOT23封装

功率最高的300mA、低压差线性稳压器,薄型SOT23封装


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说明

The MAX8887/MAX8888 low-dropout linear regulators operate from a 2.5V to 5.5V input and deliver up to 300mA continuous (500mA pulsed) current. The MAX8887 is optimized for low-noise operation, while the MAX8888 includes an open-drain power-OK (POK) ouput flag. Both regulators feature exceptionally low 100mV dropout at 200mA. These devices are available in a variety of preset output voltages in the 1.5V to 3.3V range.

An internal PMOS pass transistor allows the low 55µA supply current to remain independent of load, making these devices ideal for portable battery-powered equipment such as personal digital assistants (PDAs), cellular phones, cordless phones, and notebook computers. Other features include a micropower shutdown mode, short-circuit protection, thermal shutdown protection, and an active-low open-drain POK output that indicates when the output is out of regulation. The MAX8887/MAX8888 are available in a thin 5-pin SOT23 package that is only 1mm high.

MAX8887、MAX8888:典型工作电路 MAX8887、MAX8888:典型工作电路 放大+

关键特性

  • Guaranteed 300mA Output Current (500mA for Pulsed Loads)
  • Low 100mV Dropout at 200mA Load
  • POK Output (MAX8888)
  • 42µVRMS Output Noise (MAX8887)
  • Preset Output Voltages (1.5V, 1.8V, 2.85V, and 3.3V)
  • 55µA No-Load Supply Current
  • Thermal-Overload and Short-Circuit Protection
  • Foldback Output Current-Limit Protection
  • 60dB PSRR at 1kHz
  • 0.1µA Shutdown Current
  • Thin 5-Pin SOT23 Package, 1mm High

应用

  • 数码相机
  • 手持式仪表(PDA、掌上电脑)
  • 笔记本电脑
  • PCMCIA卡
  • PDA与掌上电脑
  • 无线手机

请查看具体的参数规格 Linear Regulators (134)


Part NumberVIN
(V)
VIN
(V)
Rated ILOAD
(mA)
minmax
MAX8887 2.55.5300
MAX8888 

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。
产品可靠性报告: MAX8888.pdf 
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。

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