TPS75325QPWP

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The TPS75325QPWP is an adjustable linear voltage regulator ideal for designs that require 3A current, with input voltage range of 8-35V and output voltage range of 0.8-VIN. It is a PMIC (Power Management Integrated Circuit) belonging to the family of linear voltage regulators, and it’s widely used in automotive, industrial, and consumer applications.

Application Field

The TPS75325QPWP is a 3A linear voltage regulator ideal for automotive and industrial applications. It is designed for buck, boost and SEPIC converters to provide a regulated output voltage with very low external components. It can also be used to generate low-voltage and low-dropout power rails in systems like portable computing and battery powered devices.

Its features include an adjustable output voltage range of 0.8-VIN, programmable soft start, and adjustable line transient response. It also features a Quick-Pulse™ mode for power supply sensitivity. Additionally, sudden shut-down mode helps supply designers to meet the Underwriters Laboratories (UL) no-load standby power output requirements.

Working Principle

The TPS75325QPWP is designed to regulate output voltage by taking advantage of its built-in control circuitry. It compares the output voltage to the reference voltage, and based on the difference, adjusts the switching frequency of the power switch accordingly. This results in a stable and regulated output voltage.

In addition, the TPS75325QPWP can be programmed an adjustable output voltage, and features a low-voltage soft-start feature, which eliminates current surges at start-up. When the output voltage of the TPS75325QPWP is greater than 0.8V, the device automatically enters the Quick-Pulse™ mode, which offers excellent power supply sensitivity. This allows the TPS75325QPWP to respond quickly to load and line transients.

Finally, the TPS75325QPWP has a sudden shut-down mode, which significantly extend the standby sleep time, and reduces the no-load output standby power. It also has built-in over-temperature protection to protect the device from overheating and damage.

Conclusion

The TPS75325QPWP is a 3A programmable and adjustable linear voltage regulator well-suited for automotive, industrial, and consumer applications. It features a wide input voltage range of 8-35V, adjustable output voltage range of 0.8-VIN, programmable soft start, line transient response and Quick-Pulse™ mode. Moreover, it has a sudden shutdown mode to extend the standby sleep time, and built-in over-temperature protection. All these features make it an excellent choice for power supply designs.

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