DC-DC converter

Details DC-DC converter DC-DC converter

2006-03-27

2009-06-02

Ullah, Akm E (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S021120, C363S021140, C363S021150, C363S021170, C363S021180, C363S016000, C363S020000, C363S097000, C363S131000, C363S163000, C363S165000, C363S021130, C323S301000, C323S303000

Reexamination Certificate

active

07542308

ABSTRACT:
A DC-DC converter is provided with a control circuit6which comprises a drive signal generator11for producing on-off signals to a control terminal of a MOS-FET3in synchronization with pulse signals VOSCfrom an oscillator10; an intermittent controller12for producing a control signal VC1to drive signal generator11in response to the level of detection signal from an output voltage detector5to convert MOS-FET3to the intermittent operation during the light load period; and a power control circuit16for ceasing power supply VCCto oscillator10in response to control signal VC1from intermittent controller12to stop production of pulse signal VOSCfrom oscillator10for the cessation term of MOS-FET3during the intermittent operation.

REFERENCES:
patent: 4024437 (1977-05-01), Suzuki
patent: 5764495 (1998-06-01), Faulk
patent: 2004/0042239 (2004-03-01), Kitano

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