JCK2024D15

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DC-DC converters are electronic devices designed to change an input voltage into a desired output voltage. They are typically used to convert higher voltage sources to lower voltage outputs in applications such as battery charging, electric vehicle charging, and telecommunication. In this article, we will discuss the application field and working principle of the JCK2024D15 DC-DC converter.

The JCK2024D15 is a high-efficiency DC-DC switching converter designed to provide a wide input voltage range of 2.5V to 36V and output voltage of 0.8V to 20V. This device is capable of supplying continuous output currents of up to 3A and is suitable for a wide range of applications including industrial and automotive systems, LED lighting, and consumer electronics.

The device features a synchronous rectification, high-frequency (>150kHz) operation, and a low-ripple voltage conversion with low levels of electromagnetic interference. The device is highly efficient, with switching losses minimised through the use of a controlled switch waveform and low on-resistance. This feature provides a high-efficiency operating, often up to 98% in the light-load condition up to 95% in the continuous full load conditions.

The device is designed to protect against thermal overload, overvoltage, short circuit, undervoltage, and continuous overload conditions. Protection features include over-current protection, over-temperature protection, under-voltage lockout, thermal shutdown, and short circuit protection. The device also features an auto-restart, which allows it to automatically resume operation after an over-current event.

The typical application of the JCK2024D15 DC-DC converter is to convert the high input voltage of 2.5V to 36V to lower voltages, such as 0.8V to 20V. This converter can be used in industrial and automotive systems, LED lighting, consumer electronics, telecommunication circuits, and other similar applications.

The working principle of the JCK2024D15 DC-DC converter is based on the buck and boost converters. In buck converters, the voltage applied to the input is stepped down by switching transistors to a regulated output voltage. This output voltage is determined by the value of an inductor, which stores and releases energy to the load. The voltage at the output is regulated by controlling the switch on-time and off-time.

In boost converters, the voltage applied to the input is stepped up by switching transistors to a regulated output voltage. This output voltage is determined by the value of an inductor combined with a capacitive element, which stores and releases energy to the load. The voltage at the output is regulated by controlling the switch on-time and off-time, and the pulse width of the voltage ramp signal.

Overall, the JCK2024D15 DC-DC converter is a high-efficiency device designed to provide a wide input voltage range with continuous output currents of up to 3A. This converter is suitable for a wide range of applications including industrial and automotive systems, LED lighting, and consumer electronics. The device features a synchronous rectification, high-frequency (>150kHz) operation, and a low ripple voltage conversion with low levels of electromagnetic interference. The working principle is based on the buck and boost converters.

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