Current sensing circuit and voltage regulator using the same

A current sensing circuit for sensing an output current generated by a voltage regulator includes a first double-diffused metal-oxide semiconductor transistor and a current-voltage converter. The first double-diffused metal-oxide semiconductor transistor has a first gate terminal to receive an outpu...

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1. Verfasser:	Negoro, Takaaki
Format:	Patent
Sprache:	eng
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creator	Negoro, Takaaki
description	A current sensing circuit for sensing an output current generated by a voltage regulator includes a first double-diffused metal-oxide semiconductor transistor and a current-voltage converter. The first double-diffused metal-oxide semiconductor transistor has a first gate terminal to receive an output control signal from a control circuit of the voltage regulator. The first double-diffused metal-oxide semiconductor transistor is configured to output a current proportional to the output current according to the output control signal. The current-voltage converter is connected to the first double-diffused metal-oxide semiconductor transistor. The current-voltage converter is configured to convert the proportional current to a corresponding voltage.
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The first double-diffused metal-oxide semiconductor transistor has a first gate terminal to receive an output control signal from a control circuit of the voltage regulator. The first double-diffused metal-oxide semiconductor transistor is configured to output a current proportional to the output current according to the output control signal. The current-voltage converter is connected to the first double-diffused metal-oxide semiconductor transistor. The current-voltage converter is configured to convert the proportional current to a corresponding voltage.</abstract><oa>free_for_read</oa></addata></record>
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title	Current sensing circuit and voltage regulator using the same
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