PWM control scheme under light load
A DC-DC converter capable of operating in a pulse-skipping mode for transforming power provided by a power generator for a load circuit includes a driving circuit for generating a gate driving signal according to a feedback signal and a pulse-skipping-mode control signal, a converter circuit for transforming power provided by the power generator for the load circuit according to the gate driving signal, a feedback 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 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.
Anpec Electronics Corporation
Y H H
Y02B H02M H02M
additional inventional additional
Kang Chih-Ning Yu-Chang
Sheng Chen Chen