INVERTER DEVICE
A switching power supply device equipped with an inverter device includes a transformer including a primary winding and a secondary winding, which are magnetically coupled with each other. On the primary side, a capacitor and a switching element are connected in series with the primary winding and a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A switching power supply device equipped with an inverter device includes a transformer including a primary winding and a secondary winding, which are magnetically coupled with each other. On the primary side, a capacitor and a switching element are connected in series with the primary winding and a switching element is connected in series the switching element and is connected in parallel with the primary winding and the capacitor. On the secondary side, a bidirectional switching element, which includes FETs, is connected in series with the secondary winding. A control circuit alternately turns the first switching element and the second switching element on, and turns the bidirectional switching element on in an off period of the first switching element or the second switching element. Thus, the inverter device outputs an alternating current output voltage by using a single secondary winding of a transformer. |
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