POWER SUPPLY CIRCUIT, DRIVER AND CONTROLLING METHOD
A power supply circuit, a driver and a controlling method. The power supply circuit includes: a transformer (T1), comprising a primary winding (P1) and a secondary winding (S1); a switch (Q1), configured to be in series connection with the primary winding of the transformer coupled between a first n...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
08.05.2024
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Subjects | |
Online Access | Get full text |
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Summary: | A power supply circuit, a driver and a controlling method. The power supply circuit includes: a transformer (T1), comprising a primary winding (P1) and a secondary winding (S1); a switch (Q1), configured to be in series connection with the primary winding of the transformer coupled between a first node (A1) and a ground port; a sampling circuit, configured to be connected between the first node (A1) and the ground port, generate a sampled voltage of the first node (A1); and a controller, configured to receive the sampled voltage from a first pin (1 COM), and output a controlling signal from a second pin (6 DRAIN) to the switch, so as to control on/off state of the switch, the controlling signal is generated according to the sampled voltage and a sensed current corresponding to a current flowing through the switch. |
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Bibliography: | Application Number: EP20210953084 |