LP3881EMRX-1.2/NOPB

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The LP3881EMRX-1.2/NOPB is an LDO linear voltage regulator designed and produced by Texas Instruments. This package features an ultra-small LLP (5mm x 6mm) which offers a high power supply rejection ratio and low noise. It is ideal for applications with high noise immunity and low current draw. It is targeted at point-of-load applications, including mobile devices, portable medical equipment, and consumer electronics.

The LP3881EMRX-1.2/NOPB is designed to be a stable, relatively low-cost, reliable, and easy to use voltage regulator for a wide variety of applications. It comes in a small package, and can operate over a wide range of input and output voltages. It utilizes a single P-channel MOSFET pass transistor to regulate the output voltage and current. The internal P-channel MOSFET has a low on-resistance and high temperature rating, allowing it to perform smoothly over a wide range of operating temperatures without any external components. The output voltage range of the LP3881EMRX-1.2/NOPB is 0.8V to 14.4V, with an internally-set output voltage of 3.3V, 5.0V, or adjustable. The output current can be up to 1.2A, With a 4.3V to 11V input voltage range, and a 260mV dropout voltage at 1.2A of load current.

The LP3881EMRX-1.2/NOPB is well-suited for many different applications, including battery-power applications and other situations requiring low-dropout voltage and low quiescent current. It is capable of supplying up to 1.2A with a minimum of 1.2V dropout voltage and low quiescent current of only 2.5mA. It has an excellent transient response and high PSRR (Power Supply Rejection Ratio) of 64dB at 1 kHz, making it ideal for noise sensitive applications. The LP3881EMRX-1.2/NOPB also features thermal shutdown protection, output disconnect, and soft-start functions to increase system reliability. It can operate in fixed-mode or adjustable-mode to meet the requirements of different design applications.

In summary, the LP3881EMRX-1.2/NOPB is an LDO linear voltage regulator, targeting portable devices and other high-noise immunity applications. It utilizes a single P-channel MOSFET pass transistor, and offers an output voltage range of 0.8V to 14.4V with a 4.3V to 11V input range, an output current up to 1.2A, and a low dropout voltage and quiescent current. It also features excellent transient and PSRR, as well as thermal shutdown, output disconnect, and soft-start functions for increased system reliability. All of these features make the LP3881EMRX-1.2/NOPB highly suitable for portable electronics and other battery-powered applications.

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