Power supply apparatus with a power-saving function

Details Power supply apparatus with a power-saving function Power supply apparatus with a power-saving function

1995-04-19

1996-09-10

Nguyen, Matthew V.

Electric power conversion systems

Current conversion

With starting arrangement

363 55, H02H 7122

Patent

active

055551670

ABSTRACT:
A power supply apparatus with power-saving function used in an information processing system includes: a main power supply unit having the conversion unit converting an input voltage to a first output voltage and outputting the first output voltage to the information processing system in response to the drive signal; a control power supply unit receiving the input voltage, converting the input voltage to a second output voltage, and outputting the second output voltage to the information processing system; a status supervisory unit connected to the information processing system for supervising a status indicating the system being in use or not used, and outputting a status information; an oscillation control unit connected between the status supervisory unit and the drive signal generation unit for generating an oscillation control signal to the drive signal generation unit in order to control generation of the drive signal in accordance with the status information; and a supply control unit connected between the status supervisory unit and the switch unit for generating a switch control signal to the switch unit in order to control turning on/off of the switch unit, and the switch unit connecting or disconnecting between the start unit and the drive signal generation unit.

REFERENCES:
patent: 4590553 (1986-05-01), Noda
patent: 5212836 (1993-05-01), Mashshita
patent: 5361044 (1993-11-01), Norimatu et al.
patent: 5404544 (1995-04-01), Crayford
patent: 5408369 (1995-04-01), Miura et al.
patent: 5446645 (1995-08-01), Shirahama et al.
patent: 5488551 (1996-01-01), Malik

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