微源高性能LDO LP3994-50B3F 适用于150m稳压电源的多种应用

LP3994-50B3F / 微源LP3994 / LP3994价格 / LP3994规格书 / 微源代理商

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型号：LP3994-50B3F

封装：SOT23-3

类型：电源转换

品牌：微源

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General description

The LP3994 is a high-performance low dropout（LDO）voltage regulator with wide input voltage range and low quiescent current (1.5 μ A typical). The device is suitable for a multitude of applications which require a regulated supply of up to 150mA load current. The device uses an advanced CMOS process and a PMOSFET to achieve fast start-up, high output voltage accuracy and excellent transient response performance.

The LP3994 comes in standard fixed output voltage3.3V and 5.0V. The device is stable with a 1.0μF~10μF ceramic output capacitor, The device is protected from short circuit by the current limit function and from over-heating by thermal overload protection.

The LP3994 is offered in SOT23-3，SOT23-5，SOT89-3 package.

Features

◆ Wide Input Voltage Range: 3.6V to 40V

◆ Maximum Load Current Up to 150mA

◆ Low Quiescent Current 1.5μA typical

◆ Low Dropout Voltage:

550mV @ 100mA Load

850mV @ 150mA Load

◆ Output Voltage Tolerance±1.5% @ 1mA Load

◆ Stable with Minimum 1.0μF Output Capacitance

◆ Short Circuit Current Limit 120mA

◆ Internal Thermal Overload Protection