Shenzhen Skyworth-Rgb Electronic Co., Ltd.

Shenzhen Skyworth Semiconductor Design Center Co., Ltd.

Mouyan Teng

Lu Chen

Shijun Zuo

The present disclosure discloses a power converter and a switching power supply device. The power converter includes an energy storing and outputting circuit used for charging a load after storing energy, a main switch used for transmitting input power to the energy storing and outputting circuit when the main switch is conducting, an after flow switch used for supplying an after flow loop to the energy storing and outputting circuit when the main switch is shut down, a driving circuit used for changing connecting states of the main switch and the after flow switch according to a preset clock frequency, and a testing circuit and a feedback circuit, the testing circuit is used for testing a voltage on a connecting node of the main switch and the after flow switch.

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Guangdong, China

Mouyan Teng