PT6475N

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DC-DC converters are becoming increasingly popular as power sources for high-current and low-voltage applications. With their ability to step-down the input voltage to meet the output requirement, they are ideal for powering electronic components, motors and battery-powered electronics. The PT6475N is a high-performance, non-isolated DC-DC converter from the leading manufacturer Polux that is designed to meet the requirements of such applications.

The PT6475N operates on an input voltage range of 4.5V to 20V and can step-down the input voltage to an output voltage range of 0.5V to 10V. It can provide up to 10A of continuous current for the output with up to 90% efficiency. The converter also features an adjustable switching frequency of up to 2.2MHz, making it suitable for high-speed applications.

The PT6475N is primarily designed for automotive, communication and consumer electronics applications. It can also be used in applications such as industrial robots, drones, medical equipment, motor control, power supply design and digital equipment. The converter has also been qualified to meet the stringent AEC-Q100 automotive standard, and with its wide voltage range and high-current output capability, it is an ideal choice for powering automotive electronics.

The working principle of the PT6475N involves an internal synchronous rectifier, which allows it to convert the input voltage to an adjustable and constant output voltage. The converter uses a fixed frequency hysteretic current mode control, which ensures that the device operates within a wide range of load conditions. Moreover, it is equipped with adaptive loop compensation and accurate current limit protection that provide a reliable operation.

The PT6475N comes with a range of protection features to ensure the safety of the device, including over-voltage, over-current, over-temperature and short-circuit protection. It also offers a soft-start and frequency-shift functions, which ensure a secure start-up and reduce EMI interference at lower frequencies.

In conclusion, the PT6475N non-isolated DC-DC converter is a robust and reliable power source for high-current and low-voltage applications. It is ideal for a variety of automotive, communication and consumer electronics applications with its wide input voltage range, high-current output capability and built-in protection features. The converter is easy to use and offers a high level of efficiency and reliability.

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