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5 V to 6 kV DC-DC Converter Using Switching Regulator with Cockcroft- Walton Voltage Multiplier for High Voltage Power Supply Module

[ Vol. 12 , Issue. 2 ]

Author(s):

Nor Afiqah Azmi, Sohiful Anuar Zainol Murad*, Azizi Harun and Rizalafande Che Ismail   Pages 150 - 159 ( 10 )

Abstract:


Background: This paper describes the design of 5 V to 6 kV DC-DC converter by using a switching regulator with Cockroft-Walton (C-W) voltage multiplier for a high voltage power supply module.

Methods: The proposed design consists of Pulse Width Modulation (PWM) controller circuit, voltage multiplier, and feedback signal. A single unit of 5 V input triggers LT1618 controller circuit to generate 20 V which then produces 300 V from LT8331 output that is connected to diode-capacitor multiplier circuit to achieve final 6 kV. A negative feedback signal is required to stabilize an output voltage. With the implementation of C-W voltage multiplier technique, the output is boosted up as required from the input signal voltage 5 V DC.

Results: The LTspice simulation results indicate that the proposed DC converter can generate 6.20 kV. Line regulation of 17 % and the load regulation of 14 % are obtained based on the proposed design.

Conclusion: The proposed design is suitable for high voltage power supply module.

Keywords:

DC-DC Converter, High voltage, Power supply, Switching Regulator, Voltage multiplier.

Affiliation:

School of Microelectronic, Universiti Malaysia Perlis, Arau Perlis,, School of Microelectronic, Universiti Malaysia Perlis, Arau Perlis,, School of Microelectronic, Universiti Malaysia Perlis, Arau Perlis,, School of Microelectronic, Universiti Malaysia Perlis, Arau Perlis



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