PT5804N

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DC/DC converters are a vital component used to provide power conversion between different power sources. Often used in automotive, medical, industrial, and aerospace applications, these power conversion components allow for the efficient transfer of power from one source to another. The PT5804N is one such DC/DC converter, offering a high frequency, isolated solution designed for medical and industrial applications. In this article, we\'ll explore the application fields and working principles of the PT5804N.

Overview of the PT5804N

The PT5804N is a high frequency, isolated, boost-type DC/DC converter capable of providing up to 8A output current. It has a wide 4.5V to 20V input voltage range and an adjustable output voltage range from 4.5V to 24V. The high frequency switching architecture allows for a compact design, with the IC itself measuring in at 0.623mm x 0.614mm.

The PT5804N is designed for use in medical, industrial, and aerospace applications, where it can be used to supply isolated outputs from an input of a different voltage level. The device is capable of operating in temperatures ranging from -40°C to +85°C, making it suitable for use in extreme environments.

Application Fields

The PT5804N is primarily used to supply isolated 5V and 3.3V outputs from a 12V input supply. In medical applications, the device can be used to power clinical diagnostic, analytic, and patient monitoring systems. The diverse adjustable output voltage range allows it to be used to power a variety of medical systems.

In industrial applications, the device can be used to power industrial automation and control systems. The wide input voltage range makes the PT5804N well-suited for use in a variety of industrial applications, ranging from factory automation to process control.

The wide temperature range of -40°C to +85°C makes the PT5804N an ideal choice for aerospace applications, as it is capable of operating in extreme environmental conditions. It can be used to power time-critical systems such as navigation and guidance systems, avionics, actuators, and control systems.

Working Principles

The PT5804N is a high frequency boost-type DC/DC converter. The device operates by switching an MOSFET in a specified duty cycle, allowing it to transfer power from the input supply to the output supply. The duty cycle is controlled by a programmable duty cycle regulator, which allows for the adjustment of the output voltage.

The IC uses a synchronous rectification technique to reduce power dissipation. This ensures that the device is able to achieve high efficiency levels, which is an important factor in medical and aerospace applications due to electrical noise constraints. Additionally, the device is able to minimize electrical noise generation by using frequency jittering, allowing it to be used in noise-sensitive applications.

Conclusion

The PT5804N is a high frequency, isolated, boost-type DC/DC converter designed for medical, industrial, and aerospace applications. The device offers a wide input voltage range and an adjustable output voltage range from 4.5V to 24V, allowing it to be used in a variety of applications. The use of a synchronous rectification technique enables the IC to achieve a high efficiency level, and its frequency jittering technique helps to minimize electrical noise generation.

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