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LP3991 Datasheet - Texas Instruments

LP3991-etcTI.pdf

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LP3991, 300-mA LDO

Operating from a minimum input voltage of 1.65 V, the LP3991 LDO has been designed to provide fixed stable output voltages for load currents up to 300 mA.

This device is suitable where accurate low voltages are required from low input voltage sources and is therefore suitable for post regulation of

LP3991 Features

* 1 Input Voltage From 1.65 V to 4 V

* Output Voltage From 0.8 V to 3 V

* 1% Accuracy at Room Temperature

* 125-mV Dropout at 300-mA Load

* 50-µA Quiescent Current at 1-mA Load

* Inrush Current Controlled to 600 mA

* PSRR 65 dB at 1 kHz

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