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The LM3480IM3X-15/NOPB is a buck-boost switching regulator from Texas Instruments. This device is specifically designed to meet the needs of low voltage applications where the input voltage can be higher or lower than the output voltage. The LM3480IM3X-15/NOPB is commonly used in a variety of applications, including industrial, automotive, medical, and consumer electronics, and is classified as a PMIC – Voltage Regulators – Linear. This article will look at the application field and working principle of the LM3480IM3X-15/NOPB.

Application Field of the LM3480IM3X-15/NOPB

The LM3480IM3X-15/NOPB is designed specifically to work in low voltage applications where the input voltage can be higher or lower than the output voltage. This device is highly effective and efficient where the input voltage can range from 0.65V to 5.5V, and the output voltage range is from 0.65V to 5.25V. This device can also operate in Burst Mode® for up to 95.8% efficiency at light load and still maintains an input quiescent current of only 7μA.

The LM3480IM3X-15/NOPB is also protected from over-voltage, under-voltage, short-circuit, and over-temperature conditions, making it an ideal solution for applications where thermal and system protection is desired. In addition, the LM3480IM3X-15/NOPB operates over an extended temperature range of -40°C to +125°C and has a low standby current of just 0.1μA.

The LM3480IM3X-15/NOPB is suitable for a wide variety applications, including industrial, automotive, medical, and consumer electronics. This device can be used to provide reliable and robust power supplies for applications such as LED lighting, lighting controls, and general purpose digital designs. The LM3480IM3X-15/NOPB can also be used to provide superior efficiency, accuracy, and flexibility to digital and analog designs, providing power conversion with an optimized battery life.

Working Principle of the LM3480IM3X-15/NOPB

The LM3480IM3X-15/NOPB is a buck-boost switching regulator that works on the principle of voltage regulation. The device takes in an input voltage and regulates that voltage to the desired output voltage. The device works by regulating the input voltage by switching at a fixed frequency and then buck converting or boost converting the voltage to the desired level. This device is optimized to work in low voltage applications.

The LM3480IM3X-15/NOPB features several features that provide superior efficiency and accuracy in regulating the voltage. The device has an adjustable switching frequency that allows the user to set the frequency of the switching operations to the most efficient level. It also has an integrated digital soft-start circuit that prevents inrush current at start-up, as well as reducing output voltage overshoot. Additionally, the device has an input voltage slew rate limiting feature that reduces high frequency switching noise and EMI.

The LM3480IM3X-15/NOPB also features a wide range of protections including over-temperature, short-circuit, over-voltage and under-voltage protections. These protections help to maintain reliable performance, even in harsh operating conditions. Furthermore, the device has a thermal shutdown protection feature that eliminates the need for external over-temperature sensors and provides an effective way to monitor the device temperature.

The LM3480IM3X-15/NOPB is a robust and reliable buck-boost switching regulator that provides superior efficiency, accuracy, and flexibility in low voltage applications. The wide range of protections, adjustable switching frequency, and integrated digital soft-start circuit provide reliable and robust power conversion that is optimized for maximum efficiency and battery life.

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