TPS799125YZUT

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TPS799125YZUT Application Field and Working Principle

The TPS799125YZUT is a linear voltage regulator that belongs to the PMIC (Power Management IC) family of semiconductors. It is an ultra-low quiescent current, 2A adjustable/fixed output voltage regulator. It is typically used in applications where high efficiency, small form factor, and low quiescent current are desired. Some of the more common applications include portable electronics, medical equipment, and consumer products.

The TPS799125YZUT is a two terminal device with two output terminals. The first is the regulated output voltage and the second is the enable voltage. The device is designed to regulate the output voltage by using a loop control system that compares the output voltage to an internal reference. The device then adjusts the output voltage to match the voltage of the reference. The enable voltage is an input voltage that can be adjusted to switch the device on and off.

The device is easy to use and is pin compatible with other linear voltage regulators, making it a great choice for applications where fast setup is important or high power requirements are needed. It can operate over a wide input voltage range of 6V to 40V and provides a fixed output voltage range of 1.2V to 20V, with up to 2A of current regulation.

The TPS799125YZUT has several advantages that make it a good choice for many uses. It has an ultra-low quiescent current of only 600uA, making it ideal for low power applications such as portable devices. It also has a wide operating temperature range of -40°C to +125°C, making it suitable for use in a wide range of environments. Moreover, it features a fast transient response with low output voltage ripple, resulting in low output noise. Finally, it features an adjustable and a fixed output voltage range.

The main components used in the TPS799125YZUT are a voltage reference, an error amplifier, a current sensing circuit, a comparator, and a power MOSFET. These components work together in a closed-loop system to regulate the output voltage. The voltage reference provides a known reference voltage, which is compared to the output voltage by the comparator. The error amplifier amplifies the voltage difference, which is then used to control the current through the MOSFET. The current sensing circuit then senses the load current, which is used to adjust the output voltage.

In summary, the TPS799125YZUT is an ultra-low quiescent current linear voltage regulator that is well suited for high power applications. It has an adjustable and fixed output voltage range, ultra-low quiescent current, and a wide temperature range. Its fast transient response and low output voltage ripple make it ideal for high power applications, while its adjustable and fixed output voltage range makes it suitable for a wide variety of applications.

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