LP3972SQX-E514/NOPB

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The LP3972SQX-E514/NOPB, or low-power triple output (LPO), is an integrated circuit (IC) designed to control power supply systems. It is a single-chip voltage regulator, designed to supply regulated power outputs at various voltage levels. There are several applications for this IC, but it is most typically used in applications that require power supplies with more than one regulated output.

LP3972SQX-E514/NOPB is a PMIC (power management IC) for specialized applications. It is intended for use in situations where a portable device is required to draw power from multiple sources. Its design makes it ideal for applications where an efficient and fast way to control power is necessary.

The LP3972SQX-E514/NOPB has two main functions, the first being to regulate the power supply. This is accomplished through a three-stage linear regulator. The first stage is a pre-regulator, which reduces input voltage to the required level. It is capable of working over a wide input range, from 1.6V to 13V. The second stage consists of an output voltage feedback comparator, which provides a regulated output voltage. The third stage is a temperature compensation loop, which controls the output voltage over the full temperature range.

The second function of the LP3972SQX-E514/NOPB is implementation of system standby. It supports “hot” and “cold” system standby, which allows the chip to be used in systems where some elements are powered off while other remain powered. This flexibility allows optimization of system power consumption. It also provides over-current protection, making it suitable for use in low-power applications.

The LP3972SQX-E514/NOPB is a powerful, efficient, and highly integrated PMIC for specialized applications. Its three-stage linear regulator and system standby features make it ideal for applications where high power efficiency and protection are desired. It is an excellent choice for portable devices, as it ensures reliable power delivery over the full temperature range, while still providing the necessary power management features.

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