Patent ID: 7456624

Claim:
A DC-DC converter capable of operating in a pulse-skipping mode for transforming power provided by a power generator for a load circuit, the DC-DC converter comprising: a driving circuit for generating a gate driving signal according to a feedback signal and a pulse-skipping-mode control signal; a converter circuit coupled to the power generator, the driving circuit, and the load circuit for transforming power provided by the power generator for the load circuit according to the gate driving signal; a feedback circuit coupled to the driving circuit and the load circuit for generating the feedback signal for the driving circuit according to a feedback voltage of the load circuit; and a pulse-skipping-mode control circuit coupled to the driving circuit, the converter circuit, and the power generator for generating the pulse-skipping-mode control signal and adjusting on-time of the generated pulse-skipping-mode control signal according to voltages outputted from the power generator and the converter circuit, so as to adjust voltage outputted from the converter circuit via the driving circuit.