MAX8891, MAX8892 高PSRR、低压差、150

MAX8891, MAX8892 高PSRR、低压差、150mA线性稳压器

MAX8891, MAX8892 概述

The MAX8891/MAX8892 low-dropout (LDO) linear regulators are designed to deliver up to 150mA continuous output current. These regulators achieve a low 120mV dropout for 120mA load current.

The MAX8891 only requires an input/output capacitor, hence achieving the smallest PCB area. The MAX8892's output voltage can be adjusted with an external divider.

The MAX8891 is preset to a variety of voltages in the 1.5V to 4.5V range. Designed with a p-channel MOSFET series pass transistor, the MAX8891/MAX8892 maintain very low ground current (40µA).

The regulators are designed and optimized to work with low-value, low-cost ceramic capacitors. The MAX8891/MAX8892 require only 1µF (typ) of output capacitance for stability with any load. When disabled, current consumption drops to below 1µA.

These regulators are available in a tiny 5-pin SC70 package.

MAX8891, MAX8892 关键特性

Space-Saving SC70 Package

65dB PSRR at 10kHz

120mV Dropout at 120mA Load

Stable with 1µF Ceramic Capacitor for Any Load

Guaranteed 150mA Output

Only Need Input and Output Capacitors (MAX8891)

Output Voltages: 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3V, 3.3V, 4.5V (MAX8891) and Adjustable (MAX8892)

Low 40µA Ground Current

Excellent Load/Line Transient

Overcurrent and Thermal Protection

MAX8891, MAX8892 应用/使用

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压差线性稳压器PSRRLDO

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