JHVG004A2B4-PHZ

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DC-DC converters are power electronic devices used to convert electrical energy from one form of voltage to another form at the same frequency. The DC-DC converter type JHVG004A2B4-PHZ is a DC to AC converter (called a buck converter) used to convert direct current (DC) voltage to an alternating current (AC) voltage. It is an isolated, isolated switching converter that is typically used in telecom, data storage, and other applications where isolation of the input/output is required.

The JHVG004A2B4-PHZ is a high performance, low cost, and robust solution with a low input voltage capability from 50 to 350 VDC and a low power consumption of 13 mW without an external transformer. It features a constant frequency, low profile DC-DC converter with switch mode charging, current feedback, and voltage control.

The working principle of the JHVG004A2B4-PHZ is based on the charging and discharging of five capacitors connected in series. When the output voltage of the device reaches the desired value, the five capacitors are charged up and are then discharged through small amounts of current to create the AC output. The total current produced by this process is determined by the value of the capacitors and the size of the DC link.

In this buck converter, two identical oscillators control the charging and discharging of the capacitor banks. The oscillators, called the master oscillator and the slave oscillator, create two oscillations with the same frequency and phase shift. The relationship between the master oscillator and the slave oscillator are then compared by a comparator, which is used to detect when the capacitor banks are fully charged. When the comparator detects this condition, it triggers the switch mode charging and voltage control, which is used to regulate the voltage of the AC output.

The JHVG004A2B4-PHZ is designed to provide isolation from the source to the output, which is important in telecom and data storage applications. The built-in isolation allows for a low power consumption of only 13 mW and also provides protection from power surges or drops. It is also a very efficient converter, providing up to 95% efficiency at full load.

The application field of the JHVG004A2B4-PHZ DC-DC converter is mainly in telecom, data storage, and other applications where a low input voltage, low power consumption, and a high level of isolation is required. The design makes it a robust and highly reliable solution for these applications, with its low power consumption, precise voltage control, and high efficiency.

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