LM4040BIM3X-2.5/NOPB

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A voltage reference is a type of electronic power device that provides a fixed output voltage irrespective of the changes in load, temperature, or input voltage. Voltage references are one of the most important components in power management circuitry, as they govern the amount of power used by the circuitry and ensure that the system is stable and safe to use. The LM4040BIM3X-2.5/NOPB is a voltage reference device manufactured by Texas Instruments. It is specifically designed to provide a stable and accurate reference voltage with high accuracy delay and enable control.

The LM4040BIM3X-2.5/NOPB is a bi-directional monolithic precision shunt regulator with an enable control pin. It comes in a small SOT-23 package, so it can be easily used in a variety of applications. The device is especially suited for battery-powered systems that require low quiescent current, precise output voltage regulation and low temperature coefficient.

The LM4040BIM3X-2.5/NOPB voltage references are designed for use in power supply adjustments, power management circuits, precision current sources, and active filter circuits. The device has a low operating voltage range of 2.7V to 8V and a low quiescent current of 5.2 μA. The output voltage range is precise and stable, allowing accuracy up to ±1.5% over temperature and the output voltage can be adjusted in 100mV increments. Additionally, the device has a shut-down feature that can be used to reduce power consumption when the device is not in use.

The LM4040BIM3X-2.5/NOPB also has a enable control pin that allows the device to be enabled or disabled with a logic-level voltage. When disabled, the device draws a maximum quiescent current of 25 μA. The device operates in both the linear and switching modes depending on the logic level of the enable pin, and can remain in the disabled mode without any problem.

The device works by reducing its output voltage when the input voltage is higher than the reference voltage, and increasing the output voltage when the input voltage is lower than the reference voltage. The output will remain stable and accurate over a wide range of temperatures and load conditions. The device also has a TTL-compatible enable pin which can be used to disable the output and reduce power consumption when the device is not in use.

The LM4040BIM3X-2.5/NOPB voltage reference is an ideal component for the power management circuits and precision current sources in electronic systems. It provides stable, accurate, and low-power voltages over a wide range of temperatures and load conditions. The device also has a shut-down feature and a logic-level enable pin that make it suitable for battery-powered systems.

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