Power source switch circuit

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11949323
SERIAL NO

17432954

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A power source switch circuit include a switch, a switch control circuit configured to control the switch to be turned on/off, and a negative feedback circuit configured to feedback an output voltage of the switch. An input end of switch is connected to the switch control circuit, an output end of the switch is connected to a load circuit and the negative feedback circuit, and a control end of the switch is connected to the switch control circuit and the negative feedback circuit. The switch control circuit includes a bipolar transistor having a base, a collector and an emitter, a first resistor connected between the base and a control signal, a second resistor connected between the collector and the input end of the switch, and a third resistor connected between the collector and the control end of the switch.

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Patent Owner(s)

  • SHENZHEN TCL DIGITAL TECHNOLOGY LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wen, Dong Guangdong, CN 13 11

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