Step-up converter device
A step-up converter device, includes a first charge pump, a second charge pump, an inductor and an output circuit: first charge pump receives an input voltage and has a first switch device, a second switch device, a first diode and a first boosting capacitor; second charge pump has a third switch de...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A step-up converter device, includes a first charge pump, a second charge pump, an inductor and an output circuit: first charge pump receives an input voltage and has a first switch device, a second switch device, a first diode and a first boosting capacitor; second charge pump has a third switch device, a second diode and a second boosting capacitor; inductor is connected to the first boosting capacitor and a second boosting capacitor; output circuit has an output diode and an output capacitor, output diode is coupled to the second boosting capacitor, output capacitor connected to the output diode, the second switching element and the third switching elements are subjected to be driven by a pulse width adjustment signal to turn on or turn off by the first switching element after the input voltage is boosted by the output circuit outputs. |
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