Patent ID: 7863774
Filing Date: 2011-01-04
Classification: H02M

Abstract:
1. A multi-output power supply connecting to a power source to receive input power comprising a standby power system to transform the input power to standby power and a main power system which has a transformer to receive the input power and regulate the voltage thereof to become voltage-transformed electric power and a rectification output circuit connecting to the transformer to regulate the voltage-transformed electric power to become first output power, the power supply further including: an output time series judgment circuit which is respectively electrically connected to the rectification output circuit and the standby power system to receive the first output power and the standby power to be activated therewith, and has a preset reference potential compared with the potential of the first output power to determine whether to output a feedback signal; and a plurality of voltage regulation units electrically connected to the rectification output circuit to receive respectively the standby power output from the standby power system and the feedback signal from the output time series judgment circuit to be activated normally and determine a regulation time spot to synchronously regulate the first output power to second output power.