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MAX8891, MAX8892 高PSRR、低壓差、150mA線性穩(wěn)壓器
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 關鍵特性
MAX8891, MAX8892 應用/使用
基站
Bluetooth便攜式無線裝置及配件
蜂窩、無繩電話
數(shù)碼相機
PDA與掌上電腦
個人立體聲裝置
便攜式電池供電產(chǎn)品
無線LAN
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