LM4040CEX3-5.0+T Integrated Circuits (ICs)

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Voltage references, or references, are components that convert an unknown voltage into a convenient and accurate reference signal. Voltage references are used to set or adjust circuit parameters, such as voltage, current, and temperature. They help minimize circuit errors and minimize power dissipation.

The LM4040CEX3-5.0+T is a precision low dropout 2.5V voltage reference, designed specifically for power management applications requiring an output voltage that is very close to the reference voltage. This device is intended to provide a voltage stable reference signal over a wide temperature range. It also consumes very low quiescent current, and is suitable for use in battery-powered systems.

The LM4040CEX3-5.0+T is a bipolar device, with a commonly used three-terminal configuration.The two input terminals are connected directly to the power supply, and the output terminal is connected to the reference voltage. This configuration is called an “open-loop” reference design, because there is no feedback loop connecting the output to the reference voltage.

The LM4040CEX3-5.0+T has an effective internal temperature stable temperature coefficient of 2ppm/°C over the full temperature range. It has an optimized start-up time of 1ms, and has a fast settling time to its final output of 5ms. It also has a wide operating range of -40°C to +85°C, and is available in a single-in-line, dual in-line, or surface-mount package.

The LM4040CEX3-5.0+T can be used in a variety of applications, including power management, instrumentation, test & measurement, voltage regulators, and battery management systems. It can also be used in automotive, computer, and consumer electronics applications that require an accurate and precise voltage reference.

In summary, the LM4040CEX3-5.0+T is a low dropout, stable, precise, temperature-stable, and low-quiescent current voltage reference, making it an ideal choice for power management applications. Its wide temperature range and optimized start-up and settling times make it a versatile component for a variety of applications.

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