ITQ4824SA Power Supplies - Board Mount

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DC-DC converters come in a wide variety and are used in a vast array of applications. One such converter is the ITQ4824SA, which is a high-efficiency buck regulator ideal for a range of applications such as personal electronics, automotive, and telecom equipment. In this article, we will explore the ITQ4824SA’s application fields and discuss its working principle.

Application field

The ITQ4824SA is capable of delivering up to 4A of continuous output current, with a wide input voltage range of 4.5V to 24V, and a wide output voltage range of 0.6V to 19V. The device also features soft-start, current limiting, and thermal shutdown. These features, combined with its high efficiency, make the ITQ4824SA ideal for powering a variety of applications such as:

• Computer peripheral components
• Automotive applications such as engine control units and airbag systems
• Telecommunication, networking, and cellular/wireless equipment
• Digital cameras and audio systems
• Home appliances such as TVs, DVD players, and air conditioners

Working principle

The ITQ4824SA is a non-synchronous buck regulator, meaning that it does not use an oscillator to ensure that its input and output signals are in sync. Instead, the device utilizes a quiescent current circuit to maintain a constant switching frequency.

The ITQ4824SA operates on the same basic principle as other buck regulators, but with a few key differences. In a buck regulator, the input voltage is first applied to an inductor, which stores the energy as a magnetic field. This energy is then released in the form of a current when the switch is closed. The output voltage is determined by the inductor current and the output capacitor. The current is also monitored to ensure it does not exceed an appropriate limit, and when it does, the switch is opened to reduce the current.

Conclusion

The ITQ4824SA is a versatile and highly efficient buck regulator, capable of powering a variety of applications in the fields of personal electronics, automotive, and telecom equipment. It operates on the same principle as other buck regulators, with a few key differences in order to maintain a more efficient and stable switching frequency. The ITQ4824SA is a high-performance solution for powering a range of components and systems.

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