LP3982IMMX-2.5

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The LP3982IMMX-2.5 is a linear regulator from Texas Instruments\' Power Management and Interface (PMIC) product line. It is a low dropout regulator that has a wide input voltage range (from 2.5 V to 15 V) and can regulate output voltage levels from 1.5 V to 2.5 V. The LP3982IMMX-2.5 regulator provides up to 1.5 Amps of load current and operates over a wide temperature range (from -40°C to 105°C). It also has a low quiescent current (IQ) of only 12 μA (load dependent). In addition to its high reliability, this regulator is also SMBus compatible and features a Wide V OUT regulation range. This all makes the LP3982IMMX-2.5 an excellent choice for a wide range of applications, such as microprocessor, automotive, and industrial applications.

The basic principle behind any linear regulator is that the output voltage of the device is regulated by a reference voltage (VREF) and two error amplifier stages. The input voltage is compared to the reference voltage and the difference between them is converted into a current by the error amplifier. This current that flows through an external resistor and transistor control element forms the output voltage. As the input voltage and/or load vary, the control element adjusts the output voltage to match the VREF. In addition to this basic principle, the LP3982IMMX-2.5 linear regulator also features a stringent ripple rejection, a wide output voltage range (1.5 V to 2.5 V) and low quiescent current to ensure high accuracy and low power consumption.

The LP3982IMMX-2.5 can be used in a wide variety of systems ranging from automotive, industrial and consumer applications. An example of an automotive application for the LP3982IMMX-2.5 is engine management and climate control systems. In such an application, a low quiescent current, high ripple rejection and wide output voltage range are key performance factors for sensor and actuator supply. In industrial applications, the LP3982IMMX-2.5 can be used to power an array of industrial sensors and controllers, such as programmable logic controllers, distributed control systems and process automation. In consumer applications, the LP3982IMMX-2.5 can be used to power embedded systems, such as small digital appliances, alarm systems and smart devices.

In summary, the LP3982IMMX-2.5 is an excellent choice for a variety of applications where high efficiency, wide voltage range and low power consumption are required. Its ability to regulate up to 1.5 Amps at an accuracy of 2.6mV makes it suitable for a range of automotive, industrial and consumer applications. It also features a low quiescent current (IQ), a wide input voltage range (2.5V to 15V) as well as stringent ripple rejection, all making it ideal for applications where high reliability is essential.

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