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LP3981 300-mA Ultra-Low-Dropout CMOS Voltage Regulator

LP3981 Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP3981 SNVS159H * OCTOBER 2001 Performance of the LP3981 device is optimized for battery-powered systems to deliver ultra-low-noise, extremely low dropout voltage, and low quiescent.

LP3981 Features

* 1 2.5-V to 6-V Input Range
* 300-mA Output Current
* 60-dB PSRR at 1 kHz
* ≤ 1-μA Quiescent Current When Shut Down
* Fast Turnon Time: 120 μs (typical) with CBYPASS = 0.01 µF
* 132-mV Typical Dropout with 300-mA Load
* 35-μVrms Output Noise Ov

LP3981 Applications

* CDMA Cellular Handsets
* Wideband CDMA Cellular Handsets
* GSM Cellular Handsets

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300-mA Ultra-Low-Dropout CMOS Voltage Regulator Texas Instruments
Texas Instruments LP3981-like datasheet