LP2992AILDX-1.8

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The LP2992AILDX-1.8 is a linear power management integrated circuit (PMIC) regulator. It is a three terminal low dropout (LDO) voltage regulator providing up to 1.8 volts of output power. It has low quiescent current and low dropout, making it ideal for low-power applications. It is great for portable, battery-powered applications, where small size, high efficiency, and low current consumption are important, such as wireless sensors, remote controllers, and battery-operated medical equipment.

The LP2992AILDX-1.8 can be operated in two modes: either a 3.3V or a 1.8V mode. In the 3.3V mode, the output voltage is 3.3V, with a maximum current of up to 500mA. In the 1.8V mode, the maximum output current is up to 160mA. It also has a shutdown feature which allows the regulator to be enabled or disabled in order to conserve power. It is capable of operating at a temperature range of -40°C to 125°C.

The LP2992AILDX-1.8 features a wide input voltage range from 1.5V to 10V, making it compatible with various battery chemistries (Nickel–cadmium, Nickel-metal hydride, Lithium-ion, etc.). In addition, it has several protection mechanisms, such as over-voltage, over-temperature and reverse current protection. The device also features under-voltage lockout, enabling it to start up only when the input voltage exceeds a specified threshold.

The LP2992AILDX-1.8 operates using a three-pin design. The input voltage is connected to the IN pin, and the output voltage is connected to the OUT pin. The Enable pin is used to enable or disable the output voltage, allowing the system to be shut down when not in use. The Enable pin can also be used to control the output voltage, allowing the output voltage to be increased or decreased as needed.

The LP2992AILDX-1.8 achieves its low dropout performance by using an advanced bandgap reference circuit. This circuit resonates the reference voltage at a specific frequency, creating a highly efficient voltage reference with low power consumption. This supply voltage is then used to drive an internal error amplifier, which compares the reference voltage to the output voltage, and adjusts the output voltage to maintain the regulation level.

The LP2992AILDX-1.8 is ideal for applications that require low-noise, low dropout voltage regulation. It provides the necessary low power consumption and high efficiency for portable battery-powered devices, and its integrated protection features makes it suitable for use in harsh environments. Its wide input voltage range, low power consumption, and small size make it an ideal solution for low-power, low-voltage applications.

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