X-ray source driving circuit, and X-ray generation device using same

An X-ray generation device comprising:

• an X-ray source comprising a cathode electrode, an anode electrode, and a gate electrode and configured to generate X-rays with a driving voltage applied to each electrode;
• a first voltage converter comprising a first transformer and at least one voltage multiplier for multiplying a first voltage output from the first transformer;
• and
• a second voltage converter comprising a second transformer and a voltage multiplier for multiplying a second voltage output from the second transformer,
• wherein the at least one voltage multiplier of the first voltage converter generates a cathode voltage and an anode voltage, which have a potential difference between each other from the first voltage,
• the voltage multiplier of the second voltage converter generates a gate voltage from the second voltage, and substantially insulates a primary side and secondary side of the second transformer by connecting one of secondary side electrodes of the second transformer to the cathode electrode in common, and
• the at least one voltage multiplier connected to a secondary side of the first transformer and the voltage multiplier connected to the second transformer form a substantial single circuit having the cathode voltage as a common potential,
• wherein the X-ray generation device further comprises:
• a first feedback controller configured to compare the anode voltage or cathode voltage with a preset reference voltage and control the first voltage converter so that the first voltage maintains an output of constant frequency;
• and
• a second feedback controller configured to compare the gate voltage with the reference voltage and control the second voltage converter so that the second voltage maintains an output of constant frequency.