LM4132DQ1MFT3.3

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The LM4132DQ1MFT3.3 is a member of the National Semiconductor family of linear voltage reference (PMIC - Voltage Reference). The device is ideal for portable applications that require accurate voltage reference, such as lithium-ion battery management systems. It features low current consumption and high accuracy, while providing an accurate output voltage of 3.3V.

The LM4132DQ1MFT3.3 features a PTC (positive temperature coefficient) temperature sensor, an adjustable bandwidth,sensor chips, and two analog-to-digital converters (ADC). The PTC temperature sensor monitors the die temperature of the device in order to maintain accuracy and performance. The adjustable bandwidth ensures that output voltage is maintained accurately over a wide range of temperatures, while the ADC allows the LM4132DQ1MFT3.3 to operate in either a continuous or single-shot mode.

The LM4132DQ1MFT3.3 offers an input voltage range of 2.7V to 5.5V, and offers an output voltage range of 1.2V to 5.5V. It is able to maintain an output accuracy of +/- 1%, and an input to output accuracy of +/- 0.4%. It has an operating quiescent current of 10µA, and is capable of sinking/sourcing 200µA of current.

The LM4132DQ1MFT3.3 features an internal power on reset (POR) circuit, which ensures that the device is reset on power up or when the input voltage is out of range. The device also features an internal zero-crossing detector, which provides an accurate time-of-day clock and event time measurements, as well as an internal oscillator to provide a reference timing signal.

The LM4132DQ1MFT3.3 also features a shutdown pin, which can be used to turn off the device when it is not in use. It is packaged in a compact 8-pin DFN package, which is ideal for low-profile design requirements. The LM4132DQ1MFT3.3 is ideally suited for use in battery-powered and portable applications where high accuracy and low power consumption are required.

In summary, the LM4132DQ1MFT3.3 is a linear voltage reference that offers high accuracy and low quiescent current in a compact, low-profile package. It features a PTC temperature sensor, adjustable bandwidth, two ADCs, POR circuit and a zero-crossing detector, as well as a shutdown pin for low power consumption. It is ideal for use in battery-powered and portable applications, such as lithium-ion battery management systems.

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