MAX8887 - 低压差、300mA线性稳压器，SOT23封装

MAX8887是Maxim美信半导体公司的一款线性调节器产品，MAX8887是低压差、300mA线性稳压器，SOT23封装，本站介绍了MAX8887的封装应用图解、特点和优点、功能等，并给出了与MAX8887相关的Maxim元器件型号供参考。

MAX8887 - 低压差、300mA线性稳压器，SOT23封装 - 线性调节器 - 功率最高的300mA、低压差线性稳压器，薄型SOT23封装 - 美信半导体

产品概述

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.

关键特性

以下关键特性由Maxim美信半导体提供：

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

热门应用

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

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