MAX8877 - 低噪声、低压差、150mA线性稳压器，引脚兼容于'2982

MAX8877是Maxim美信半导体公司的一款线性调节器产品，MAX8877是低噪声、低压差、150mA线性稳压器，引脚兼容于'2982，本站介绍了MAX8877的封装应用图解、特点和优点、功能等，并给出了与MAX8877相关的Maxim元器件型号供参考。

MAX8877 - 低噪声、低压差、150mA线性稳压器，引脚兼容于'2982 - 线性调节器 - SOT23稳压器，节省空间 - 美信半导体

产品概述

The MAX8877/MAX8878 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150mA. These devices are pin-compatible with the industry-standard '2982 and offer an improved dropout voltage. Typical output noise is 30µVRMS, and typical dropout is only 165mV at 150mA. The output voltage is preset to voltages in the range of 1.5V to 5.0V, in 100mV increments.

Designed with an internal P-channel MOSFET pass transistor, the MAX8877/MAX8878 maintain a low 100µA supply current, independent of the load current and dropout voltage. Other features include a 10nA logic-controlled shutdown mode, short-circuit and thermal-shutdown protection, and reverse battery protection. The MAX8878 also includes an auto-discharge function, which actively discharges the output voltage to ground when the device is placed in shutdown. Both devices come in regular and thin 5-pin SOT23 package.

关键特性

以下关键特性由Maxim美信半导体提供：

Pin-Compatible with the Industry-Standard '2982

Low Output Noise: 30µVRMS

Low 55mV Dropout at 50mA Output (165mV at 150mA output)

Low 85µA No-Load Supply Current

Low 100µA Operating Supply Current (even in dropout)

Thermal-Overload and Short-Circuit Protection

Reverse Battery Protection

Output Current Limit

Preset Output Voltages (±1.4% Accuracy)

10nA Logic-Controlled Shutdown

热门应用

音频系统

无绳电话

电子规划器

手持式仪表(PDA、掌上电脑)

调制解调器

掌上电脑

PCMCIA卡

PCS电话

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