LM4040C25QDBZR Integrated Circuits (ICs)

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The LM4040C25QDBZR is a Precision Microprocessor System Voltage Reference that belongs to the Power Management Integrated Circuit (PMIC) Voltage Reference family. It offers a wide variety of features and options to fit the needs of various applications.

This device is ideal for many application fields such as system management of computers, data loggers, inverters, and LED controllers. The LM4040C25QDBZR has a wide range of operating voltage from 1 V to 32V, and an accuracy of +/- 0.4 % for most applications. Additionally, the device is capable of operating in a wide temperature range of -40 to 125 degrees Celsius.

The LM4040C25QDBZR can be connected to any system by means of a three-wire interface. The connection is made in order to supply the system with a suitable reference voltage. In addition, the device also features Power Good and Open-Drain outputs. The Power Good output triggers when the output voltage is within 100mV of the target voltage and the Open-Drain output has an adjustable internal pull-up to provide additional system monitoring capability.

The voltage reference contains an integrated low-power bandgap reference. This bandgap provides a very stable and accurate output voltage level. Compared with other voltage reference selection options, the LM4040C25QDBZR offers improved accuracy, lower supply current, and lower noise performance.

The low-dropout characteristics of the bandgap reference cells allow the device to operate with a wide range of input voltages and still provide an accurate and consistent voltage output. Moreover, the integrated self-calibration circuitry ensures that the device maintains its output voltage accuracy during operation.

The device also has a built-in temperature sensor that allows for better temperature compensation and reduced power consumption. Additionally, the LM4040C25QDBZR has built-in under-voltage and over-voltage protection and an active pull-up current limitation feature to further improve device reliability.

The LM4040C25QDBZR also includes an adjustable trim pin for fine-tuning the voltage output. This allows for very accurate output voltage regulation and improved reliability in some critical applications. Additionally, the device also has an open-drain fault indicator that helps alert the user that the device is in a fault state.

Overall, the LM4040C25QDBZR is a highly versatile and reliable device that offers an excellent range of features and options for a variety of applications. Its wide range of operating voltage and accuracy of +/- 0.4% make this device an ideal choice for system management and data logger applications.

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