DC/DC converter with improved stability

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

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Reexamination Certificate

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07446516

ABSTRACT:
The DC/DC converter according to one embodiment includes a switch, an inductor, a capacitor, a resistor, and a voltage divider. The switch is coupled to the input voltage. The inductor is used for coupling the first switch to an output node of the DC/DC converter so as to generate the output voltage at the output node. The capacitor is coupled to the output voltage. The resistor is coupled to the capacitor in series, and is coupled to ground. The voltage divider is coupled across the capacitor so as to reduce the zero frequency of the DC/DC converter.

REFERENCES:
patent: 5982160 (1999-11-01), Walters et al.
patent: 6147478 (2000-11-01), Skelton et al.
patent: 6215288 (2001-04-01), Ramsey et al.
patent: 6879136 (2005-04-01), Erisman et al.
patent: 2007/0035281 (2007-02-01), Kuroiwa et al.
patent: 07274495 (1995-10-01), None
patent: WO2005/046036 (2005-05-01), None

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