TPS70933DRVT

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The TPS70933DRVT is a Li-ion/Li-polymer linear regulator with adjustable voltage output ideal for handheld devices. With PSS and SCC technology, it is able to quickly adjust the output voltage to match the application\'s load requirements. The device is a DC/DC step-down converter that can output up to 8-A of current. It has an adjustable output voltage range between 0.6 V and 5.5 V.

Application Field

The TPS70933DRVT is designed for use in a wide range of applications, including cell phones, PDAs, and other portable devices. It is suitable for powering processors, memory, transceivers, displays, and other components in these types of devices. Additionally, it can be used in mobile battery-powered systems, such as laptops, monitoring systems, and power control applications.

Working Principle

The TPS70933DRVT features PSS (power save modes) and SCC (smart charge controllers) technologies to achieve high efficiency levels. Its regulating principle is based on the linear regulation of the output voltage, which is set by internal or external voltage references. The device can adjust the output voltage in accordance with the load requirements, ensuring the stability of power supply in the application.

The device works using a built-in 700 mV reference. When the output current exceeds a defined level, the device reduces its duty cycle so that the voltage does not exceed the reference level. This keeps the output voltage within its accurate range, even when the load is changing. When the current is below the defined level, the duty cycle is increased, resulting in an increased output voltage.

The TPS70933DRVT has many additional features that help make it suitable for a variety of applications. It supports overtemperature protection and load disconnect, as well as current limitation and thermal shutdown. It also has low quiescent current and low on-resistance, making it more power efficient. The device can operate at temperatures as low as -40°C, making it suitable for use in cold environments.

Conclusion

The TPS70933DRVT is a highly efficient and feature-packed linear voltage regulator that is ideal for use in a wide range of applications, such as cell phones, PDAs, and other portable devices. Its PSS and SCC technologies enable it to quickly adjust the output voltage in accordance with the load requirement and maintain high efficiency levels. The device also features several additional features that make it suitable for a variety of applications, such as low quiescent current, overtemperature protection, and low on-resistance.

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