LM4040AIM3-4.1+T Integrated Circuits (ICs)

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The LM4040AIM3-4.1+T is a precision current programmable voltage reference that is designed for use in power management integrated circuit (PMIC) applications. The device is available in a TSSOP package and is qualified up to the industrial temperature range. The LM4040AIM3-4.1+T was specifically designed for use in power management integrated circuits, such as microcontroller (MCU) power management, embedded voltage references and voltage regulators.

The LM4040AIM3-4.1+T is a precision current programmable voltage reference device that provides a reference voltage that is adjustable over a wide range. It has an input voltage range of 2.7V to 5.5V and an output voltage range of 0V to 4.1V. The reference voltage can be adjusted by controlling a current that flows into the device\'s Enable pin. The nominal reference voltage is 4.1V, but this can be adjusted to any value between 0V and 4.1V by controlling the enable current.

The working principle of the LM4040AIM3-4.1+T device is based on the use of a differential amplifier and a voltage reference circuit. The differential amplifier inputs a differential current through two terminals, which creates a differential voltage between them. This differential voltage is buffered by an op amp and is then compared with the reference voltage, which is generated by the voltage reference (VR) circuit. Depending on the input current, the differential voltage and the reference voltage, the device adjusts the output voltage accordingly.

The LM4040AIM3-4.1+T can be used in a variety of applications, including microcontroller power management, embedded voltage references, and voltage regulators. It is ideal for applications that require precision adjustment of the output voltage. The device is powered from the input voltage and consumes very low power. It is also highly reliable, with a maximum temperature coefficient of 1ppm/°C.

Overall, the LM4040AIM3-4.1+T is a reliable and efficient voltage reference device that is ideal for use in power management applications. It is adjustable over a wide range and has a low temperature coefficient, providing high accuracy and repeatability of the output voltage. The device is easy to use, consumes very low power and is available in a TSSOP package, making it an ideal choice for a variety of PMIC applications.

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