IRU3048CSTR

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The IRU3048CSTR is a voltage regulator IC (Integrated Circuit) which is categorised within the family of Power Management ICs (PMICs), specifically those which deal with Voltage Regulation (VR), and in particular the Linear + Switching family. This IC is widely used within a range of electronic applications and systems, both consumer and industrial, to provide accurate and dependable voltage regulation functions. This article will explore the main applications of the IRU3048CSTR and also discuss its working principle.

Applications of the IRU3048CSTR

The IRU3048CSTR is a three-terminal adjustable voltage regulator IC which is most commonly used to control the output voltage of a power supply designed to deliver a fixed amount of power. This IC is suitable for a range of applications, including:

• Computer mains regulator
• Onboard regulators
• DC-DC converters
• Switched Mode Power Supplies (SMPS)
• Controlling the output voltage of a DC motor or any other application involving large current regulation

The IRU3048CSTR is a versatile IC and is suitable for both linear and switching applications.

Working Principle of the IRU3048CSTR

The IRU3048CSTR is a three-terminal voltage regulator IC with an adjustable output voltage in the range of 1.25V to 30V. The IC comprises two main sections, the control section and the output stage. The control section is responsible for regulating the output voltage by comparing the actual output voltage with a voltage reference. When the output voltage deviates from the reference, a pulse width modulation (PWM) signal is generated to drive the output section, which in turn increases or decreases the output voltage. This PWM signal is then used to drive the output stage, which is typically a MOSFET (metal oxide field effect transistor).

The IRU3048CSTR is also equipped with a current limiting protection feature which is activated if the current exceeds a pre-determined value. This feature helps to protect the output stage from damage due to overcurrent. The IC also features a thermal shutdown mechanism which is activated if the IC temperature exceeds a specific threshold. This helps to protect the IC from damage due to excessive heat.

Conclusion

The IRU3048CSTR is a versatile and dependable three-terminal adjustable voltage regulator IC from the Linear + Switching PMIC family. It is suitable for a range of applications, including computer mains regulators, onboard regulators, DC-DC converters, SMPS and controlling the output voltage of a DC motor or any other application involving large current regulation. The IRU3048CSTR also features current limiting protection and thermal shutdown protection to help protect the output stage and IC itself.

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