LP2981IM5X-2.7/NOPB

LP2981IM5X-2.7/NOPB is a voltage regulator that belongs to the category of PMIC-Voltage Regulators-Linear. This 5-volt low-dropout (LDO) linear regulator features ultra-low quiescent current of only 78 μA, high output current capability up to 250 mA, and fast line/load transient response. It has an adjustable output of 2.7 to 5.0 volts.

The LP2981IM5X-2.7/NOPB has a wide range of applications. It is widely used in automotive, industrial, and consumer electronic applications, particularly those that require high reliability, low noise, and low power consumption. It is also suitable for market segments such as handheld games, amplifiers, medical equipment, general-purpose consumer electronics, portable measurement equipment, and industrial communication equipment. Furthermore, the device is ideal for supplying nominal 5 V power rails to portable and current-limited consumer electronics that require extended run times from reduced-capacity batteries.

The LP2981IM5X-2.7/NOPB employs the latest low noise LDO topology, which makes it suitable for powering high speed digital circuits. Its enhanced dynamic performance and load transient characteristics help ensure that the device operates with minimal noise and distortion. The low quiescent current and low ground current of the device also help increase the battery life of the device.

The LP2981IM5X-2.7/NOPB has a built-in reverse-battery protection diode, which helps protect the device against accidental reverse-battery installation. It also has an over-current limitation, over-voltage protection, and short-circuit protection. Furthermore, the device offers an internal thermal shutdown protection feature to protect the device from over-heating.

The LP2981IM5X-2.7/NOPB employs a linear regulator topology to regulate its output voltage. The device consists of input and output sections, with the input section being connected to the power supply and the output section being connected to the load. The two sections are connected by an amplifier, which has a high gain. The amplifier compares the input voltage with the reference voltage and the output voltage. If the input voltage is higher than the reference voltage, the output voltage is reduced; while if the input voltage is lower than the reference voltage, the output voltage is increased. The output section is then regulated by an error amplifier, which stabilizes the output voltage by detecting any changes in the input voltage and adjusting the output voltage accordingly.

In summary, the LP2981IM5X-2.7/NOPB is a low-dropout voltage regulator with a wide range of applications. It is ideal for supplying 5 V power rails in automotive, industrial and consumer electronic applications. Its enhanced dynamic performance, low noise output, low quiescent current, and low ground current make it suitable for powering high speed digital circuits and extending battery run-times. Furthermore, the device features reverse-battery protection, over-current limitation, over-voltage protection, short-circuit protection, and thermal shutdown protection. It also employs a linear regulator topology to regulate the output voltage.