Method and apparatus for power supplying capable of...

Details Method and apparatus for power supplying capable of... Method and apparatus for power supplying capable of...

2004-11-29

2009-12-29

Vu, Bao Q (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

C323S282000, C323S274000, C323S285000, C323S286000

Reexamination Certificate

active

07638987

ABSTRACT:
A power supply apparatus includes a switching transistor, a transistor control circuit, and a reference voltage generator. The switching transistor performs a switching operation for converting an input source voltage to an output power voltage according to a control signal. The transistor control circuit generates the control signal based on a reference voltage and a feedback voltage associated with the output power voltage. The reference voltage generator generates the reference voltage, increases the reference voltage in a phased manner to increase the output power voltage in a phased manner to a desired value, and decreases the reference voltage to decrease the output power voltage. A power supply method is also described.

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