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Based on the UC3842 30 W Boost Circuit Design

Zheng Ailia

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Abstract

This paper first introduces the UC3842's main function in the circuit. Then DC-DC boost circuit, sub-charging process and discharging process is described in detail. Then, according to the basic formula boost circuit design of the core components of the circuit-inductance, and an RC oscillator circuit to set the switching frequency, and the circuit current and voltage parameters. And designed a circuit diagram for a simple introduction. Finally, the circuit test results is given.

About this research paper

What this paper is about

This paper first introduces the UC3842's main function in the circuit. Then DC-DC boost circuit, sub-charging process and discharging process is described in detail. Then, according to the basic formula boost circuit design of the core components of the circuit-inductance, and an RC oscillator circuit to set the switching frequency, and the circuit current and voltage parameters. And designed a circuit diagram for a simple introduction. Finally, the circuit test results is given.

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Available abstract

This paper first introduces the UC3842's main function in the circuit. Then DC-DC boost circuit, sub-charging process and discharging process is described in detail. Then, according to the basic formula boost circuit design of the core components of the circuit-inductance, and an RC oscillator circuit to set the switching frequency, and the circuit current and voltage parameters. And designed a circuit diagram for a simple introduction. Finally, the circuit test results is given.

Key concepts: RL circuit, Discrete circuit, Circuit extraction, Circuit diagram, Circuit design, Diode-or circuit, Inductance, Short circuit ratio

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