Switching power supply device and method of starting the same

Details Switching power supply device and method of starting the same Switching power supply device and method of starting the same

2006-11-27

2010-11-09

Vu, Bao Q (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S018000, C363S019000, C363S020000

Reexamination Certificate

active

07830675

ABSTRACT:
To reduce power loss during standby.In a switching power supply device using a first power supply circuit (11) having a small output and a second power supply circuit (12) having a large output, the first power supply circuit (11) is continuously kept in an operating state and the second power supply circuit (12) is started by using an electric power generated in the first power supply circuit (11).

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