TPS56428RHLT Integrated Circuits (ICs)

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Introduction:

TPS56428RHLT is a DC/DC step-down switching regulator designed for mobile applications, such as smartphones and tablets. It is a voltage regulator used to convert one voltage level to another in order to provide a stable and reliable output. This regulator has an operating input voltage range of 2.7V and 28V and an adjustable output voltage range of 0.8V and 5V. In addition, it is capable of an output current of 6A, with a maximum power dissipation of 38W. This makes it an ideal choice for applications that require high power and high efficient conversion.

Application Field:

The TPS56428RHLT is an ideal low-cost solution for devices that require a regulated output voltage. It can be used in mobile applications, such as smartphones and tablets, which need high power and high efficient conversion. It is also suitable for a wide range of power-supply solutions including automotive, wearables, and IoT applications where low-ripple and accurate constant voltage output are needed. Furthermore, the device features a power-save mode, which can reduce the quiescent current to less than 10µA, making it an excellent choice for battery-powered systems.

Working Principle:

The TPS56428RHLT is a DC/DC step-down switching regulator that works on the principle of voltage conversion. It uses a P-Channel MOSFET to switch the current in the inductor. When the switch is in its ‘on’ state, the current in the inductor builds up. When the switch is in its ‘off’ state, the stored current in the inductor is released, thus creating a voltage output. By varying the size of the switch duty cycle, the output voltage is regulated. The output voltage can be set with external resistors, and the switching frequency can be set with an external capacitor.

Conclusion:

The TPS56428RHLT is a low-cost DC/DC step-down switching regulator that provides a stable and reliable output voltage in a wide range of mobile and other applications. With its wide operating input voltage range and adjustable output voltage range, it is an ideal choice for applications that require high power and high efficient conversion. The device has a power-save mode that reduces the quiescent current to less than 10µA, making it a great choice for battery-powered systems. Furthermore, its output voltage can be set with external resistors, and its switching frequency can be set with an external capacitor. All of these features make it a great solution for multiple power-supply solutions.

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