Control circuit and power source circuit
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 5, 2024
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N/A
app pub date -
Jan 26, 2021
filing date -
Jan 26, 2021
priority date (Note) -
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Abstract
A control circuit for controlling an output transistor for outputting power includes: a ramp terminal connected to a ramp resistance; a ramp waveform generation unit for generating a ramp waveform including a slope corresponding to a resistance value of the ramp resistance; an output control unit for controlling at least one of an ON time or an OFF time of the output transistor based on a comparison result between the ramp waveform and a comparison voltage; and a state detection unit for detecting a state of the ramp resistance connected to the ramp terminal, wherein the output control unit turns the output transistor to an OFF state regardless of the comparison result, when the state of the ramp resistance becomes a predetermined state.
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