Development of Switching Power Supply with Precision Continuously Adjustable High Voltage

Kai Bin Chu; Nu Wang; Shu Yue Chen; Bao Xiang He

doi:10.4028/www.scientific.net/AMR.516-517.1512

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 516-517Development of Switching Power Supply with...

Development of Switching Power Supply with Precision Continuously Adjustable High Voltage

Abstract:

The techniques for developing a kind of the precision continuously adjustable high-voltage switching power supply are proposed, based on the constant frequency pulse width modulation strategies with SG3525, and the continuous output voltage adjustment effect is achieved through a gain amplifier controlled by MCU. The circuit is of the significant features such as high precision output voltages, continuously adjustable, a wide adjustment range and a low power consumption. The results of the experiments show that the output voltage is adjustable between 1KV and 25KV, and the maximum output voltage error is 1.6%.

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Periodical:

Advanced Materials Research (Volumes 516-517)

Pages:

1512-1516

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.516-517.1512

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Online since:

May 2012

Authors:

Kai Bin Chu, Nu Wang, Shu Yue Chen, Bao Xiang He

Keywords:

AD7520, Controlled Gain Amplifier, High Voltage Switching Power Supply, SG3525

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