BA90DD0WT

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The BA90DD0WT is a linear regulator in the family of PMIC (Power Management Integrated Circuits) voltage regulators. This voltage regulator provides a regulated output voltage of +3.3V, making it suitable for many applications. It has an input range of 3-32V, allowing it to work with a variety of power sources. The output current range is 0.5 to 1.5A, providing enough power for many low power applications. The regulator also has a PGOOD/HOT output that indicates the status of the output voltage.

This voltage regulator is ideal for applications where a regulated 3.3V output voltage is required. It is often used in low power applications such as computer motherboards and industrial equipment. It is also used in other applications such as automotive, measuring equipment, consumer electronics and medical devices.

The working principle of the BA90DD0WT is based on the traditional design of a linear regulator. It consists of an error amplifier, an output stage and a power stage, all of which work together to maintain the output voltage at a constant level. The error amplifier detects the input and output voltages, and adjusts the output accordingly. The output stage is an op-amp circuit and an output switch which controls the current flow, while the power stage is a series of transistors and MOSFETs to provide the output voltage and limit over-current.

The regulator has several protection features designed to keep it safe and functioning properly. These include thermal protection, short circuit protection, input over-voltage protection and output over-voltage protection. It also has a soft-start feature which helps prevent in-rush current.

In summary, the BA90DD0WT is a linear regulator in the family of PMIC voltage regulators. It provides a regulated output voltage of +3.3V, with an input range of 3-32V and an output current range of 0.5 to 1.5A. It is suitable for many low power applications such as computer motherboards and industrial equipment, and also for automotive, measuring equipment, consumer electronics and medical devices. It has several protection features to keep it safe and functioning properly. Its working principle is based on the traditional design of a linear regulator, consisting of an error amplifier, an output stage and a power stage.

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